Last updated on June 3rd, 2025
When a number is multiplied by itself thrice, the resultant number is called the cube of a number. Cubing is used while comparing sizes of objects or things with cubic measurements. In this topic, we shall learn about the cube of -512.
A cube number is a value obtained by raising a number to the power of 3 or by multiplying the number by itself three times. When you cube a positive number, the result is always positive. When you cube a negative number, the result is always negative. This is because multiplying a negative number by itself three times results in a negative number. The cube of -512 can be written as (-512)3, which is the exponential form. Or it can also be written in arithmetic form as -512 × -512 × -512.
To check whether a number is a cube number or not, we can use the following three methods: multiplication method, factor formula (a^3), or by using a calculator. These three methods will help to cube the numbers faster and easier without confusion or errors during evaluation.
The multiplication method is a process in mathematics used to find the product of numbers or quantities by combining them through repeated multiplication. It is a fundamental operation that forms the basis for more complex mathematical concepts.
Step 1: Write down the cube of the given number.
(-512)3 = -512 × -512 × -512
Step 2: You get -134,217,728 as the answer.
Hence, the cube of -512 is -134,217,728.
The formula (a + b)3 is a binomial formula for finding the cube of a number.
The formula is expanded as a3 + 3a2b + 3ab2 + b3.
Step 1: Split the number -512 into parts, if needed, for calculation.
Let a = -500 and b = -12, so a + b = -512
Step 2: Now, apply the formula (a + b)3= a3 + 3a2b + 3ab2 + b3
Step 3: Calculate each term a3 = (-500)3 , 3a2b = 3 × (-500)2 × (-12) , 3ab2 = 3 × (-500) × (-12)2 , b3 = (-12)3
Step 4: Add all the terms together:
(a + b)^3 = a3 + 3a2b + 3ab2 + b3
(-500 - 12)3 = (-500)3 + 3 × (-500)2× (-12) + 3 × (-500) × (-12)2 + (-12)3
= -125,000,000 + 90,000,000 + 216,000 + -1,728
= -134,217,728
Step 5: Hence, the cube of -512 is -134,217,728.
To find the cube of -512 using a calculator, input the number -512 and use the cube function (if available) or multiply -512 × -512 × -512. This operation calculates the value of (-512)3, resulting in -134,217,728. It’s a quick way to determine the cube without manual computation.
Step 1: Ensure the calculator is functioning properly.
Step 2: Input -512.
Step 3: If the calculator has a cube function, press it to calculate (-512)3.
Step 4: If there is no cube function on the calculator, simply multiply -512 three times manually.
Step 5: The calculator will display -134,217,728.
There are some typical errors that might occur during the process of cubing a number. Let us take a look at five of the major mistakes that might happen:
What is the cube and cube root of -512?
The cube of -512 is -134,217,728 and the cube root of -512 is approximately -8.
First, let’s find the cube of -512.
We know that cube of a number means x3 = y, where x is the given number, and y is the cubed value of that number.
So, we get (-512)3 = -134,217,728.
Next, we must find the cube root of -512.
We know that the cube root of a number x, is such that ∛x = y, where x is the given number, and y is the cube root value of the number.
So, we get ∛-512 = -8.
Hence the cube of -512 is -134,217,728 and the cube root of -512 is approximately -8.
If the side length of a cube is -512 units, what is the volume?
The volume is -134,217,728 cubic units.
Use the volume formula for a cube V = Side3.
Substitute -512 for the side length: V = (-512)3 = -134,217,728 cubic units.
How much larger is (-512)^3 than (-256)^3?
(-512)3 – (-256)3 = -129,140,032.
First, find the cube of (-512), which is -134,217,728.
Next, find the cube of (-256), which is -16,777,216.
Now, find the difference between them using the subtraction method.
-134,217,728 - (-16,777,216) = -134,217,728 + 16,777,216
= -117,440,512.
Therefore, (-512)3 is -117,440,512 larger than (-256)3.
If a cube with a side length of -512 units is compared to a cube with a side length of -128 units, how much larger is the volume of the larger cube?
The volume of the cube with a side length of -512 units is -134,217,728 cubic units.
To find its volume, we multiply the side length by itself three times (since it’s a 3-dimensional object).
Cubing -512 means multiplying -512 by itself three times: -512 × -512 × -512 = -134,217,728.
The unit of volume is cubic units because we are calculating the space inside the cube.
Therefore, the volume of the cube is -134,217,728 cubic units.
Estimate the cube of -511.9 using the cube of -512.
The cube of -511.9 is approximately -134,217,728.
First, identify the cube of -512.
The cube of -512 is (-512)3 = -134,217,728.
Since -511.9 is only a tiny bit more than -512, the cube of -511.9 will be almost the same as the cube of -512.
The cube of -511.9 is approximately -134,217,728 because the difference between -511.9 and -512 is very small.
So, we can approximate the value as -134,217,728.
Jaskaran Singh Saluja is a math wizard with nearly three years of experience as a math teacher. His expertise is in algebra, so he can make algebra classes interesting by turning tricky equations into simple puzzles.
: He loves to play the quiz with kids through algebra to make kids love it.