Last updated on May 28th, 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 439.
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 a negative number by itself three times results in a negative number.
The cube of 439 can be written as 439³, which is the exponential form. Or it can also be written in arithmetic form as, 439 × 439 × 439.
In order to check whether a number is a cube number or not, we can use the following three methods: multiplication method, a factor formula (a³), or by using a calculator. These three methods will help kids to cube the numbers faster and easier without feeling confused or stuck while evaluating the answers.
The multiplication method is a process in mathematics used to find the product of two numbers or quantities by combining them through repeated addition. It is a fundamental operation that forms the basis for more complex mathematical concepts.
Step 1: Write down the cube of the given number.
439³ = 439 × 439 × 439
Step 2: You get 84,688,319 as the answer.
Hence, the cube of 439 is 84,688,319.
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 439 into two parts.
Let a = 400 and b = 39, so a + b = 439
Step 2: Now, apply the formula
(a + b)³ = a³ + 3a²
b + 3ab² + b³
Step 3: Calculate each term
a³ = 400³
3a²b = 3 × 400² × 39
3ab² = 3 × 400 × 39²
b³ = 39³
Step 4: Add all the terms together:
(a + b)³ = a³ + 3a²b + 3ab² + b³
(400 + 39)³ = 400³ + 3 × 400² × 39 + 3 × 400 × 39² + 39³
439³ = 64,000,000 + 18,720,000 + 1,822,800 + 59,319
439³ = 84,688,319
Step 5: Hence, the cube of 439 is 84,688,319.
To find the cube of 439 using a calculator, input the number 439 and use the cube function (if available) or multiply 439 × 439 × 439. This operation calculates the value of 439³, resulting in 84,688,319. It’s a quick way to determine the cube without manual computation.
Step 1: Ensure the calculator is functioning properly.
Step 2: Press 4 followed by 3 and 9
Step 3: If the calculator has a cube function, press it to calculate 439³.
Step 4: If there is no cube function on the calculator, simply multiply 439 three times manually.
Step 5: The calculator will display 84,688,319.
There are some typical errors that kids might make during the process of cubing a number. Let us take a look at five of the major mistakes that kids might make:
What is the cube and cube root of 439?
The cube of 439 is 84,688,319 and the cube root of 439 is approximately 7.574.
First, let’s find the cube of 439.
We know that the cube of a number, such that x³ = y Where x is the given number, and y is the cubed value of that number
So, we get 439³ = 84,688,319
Next, we must find the cube root of 439
We know that the cube root of a number ‘x’, such that ∛x = y Where ‘x’ is the given number, and y is the cube root value of the number
So, we get ∛439 ≈ 7.574
Hence the cube of 439 is 84,688,319 and the cube root of 439 is approximately 7.574.
If the side length of the cube is 439 cm, what is the volume?
The volume is 84,688,319 cm³.
Use the volume formula for a cube V = Side³.
Substitute 439 for the side length: V = 439³ = 84,688,319 cm³.
How much larger is 439³ than 400³?
439³ – 400³ = 20,688,319.
First find the cube of 439, that is 84,688,319
Next, find the cube of 400, which is 64,000,000
Now, find the difference between them using the subtraction method.
84,688,319 – 64,000,000 = 20,688,319
Therefore, 439³ is 20,688,319 larger than 400³.
If a cube with a side length of 439 cm is compared to a cube with a side length of 39 cm, how much larger is the volume of the larger cube?
The volume of the cube with a side length of 439 cm is 84,688,319 cm³.
To find its volume, we multiply the side length by itself three times (since it’s a 3-dimensional object).
Cubing 439 means multiplying 439 by itself three times: 439 × 439 = 192,721, and then 192,721 × 439 = 84,688,319.
The unit of volume is cubic centimeters (cm³), because we are calculating the space inside the cube.
Therefore, the volume of the cube is 84,688,319 cm³.
Estimate the cube 438.9 using the cube 439.
The cube of 438.9 is approximately 84,688,319.
First, identify the cube of 439, The cube of 439 is 439³ = 84,688,319.
Since 438.9 is only a tiny bit less than 439, the cube of 438.9 will be almost the same as the cube of 439.
The cube of 438.9 is approximately 84,688,319 because the difference between 438.9 and 439 is very small.
So, we can approximate the value as 84,688,319.
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.