Last updated on May 26th, 2025
The product of multiplying an integer by itself is the square of a number. Square is used in programming, calculating areas, and so on. In the topic, we will discuss the square of 128.
The square of a number is the product of the number with itself. The square of 128 is 128 × 128. The square of a number always ends in 0, 1, 4, 5, 6, or 9.
We write it in math as 128², where 128 is the base and 2 is the exponent. The square of a positive and a negative number is always positive. For example, 5² = 25; -5² = 25.
The square of 128 is 128 × 128 = 16384. Square of 128 in exponential form: 128² Square of 128 in arithmetic form: 128 × 128
The square of a number is multiplying the number by itself. So let’s learn how to find the square of a number. These are the common methods used to find the square of a number.
In this method, we will multiply the number by itself to find the square. The product here is the square of the number. Let’s find the square of 128.
Step 1: Identify the number. Here, the number is 128
Step 2: Multiplying the number by itself, we get, 128 × 128 = 16384. The square of 128 is 16384.
In this method, the formula, a² is used to find the square of the number. Where a is the number.
Step 1: Understanding the equation Square of a number = a² a² = a × a
Step 2: Identifying the number and substituting the value in the equation. Here, ‘a’ is 128 So: 128² = 128 × 128 = 16384
Using a calculator to find the square of a number is the easiest method. Let’s learn how to use a calculator to find the square of 128.
Step 1: Enter the number in the calculator Enter 128 in the calculator.
Step 2: Multiply the number by itself using the multiplication button (×) That is 128 × 128
Step 3: Press the equal to button to find the answer Here, the square of 128 is 16384.
Tips and Tricks for the Square of 128 Tips and tricks make it easy for students to understand and learn the square of a number. To master the square of a number, these tips and tricks will help students. The square of an even number is always an even number. For example, 6² = 36 The square of an odd number is always an odd number. For example, 5² = 25 The last digit of the square of a number is always 0, 1, 4, 5, 6, or 9. If the square root of a number is a fraction or a decimal, then the number is not a perfect square. For example, √1.44 = 1.2 The square root of a perfect square is always a whole number. For example, √144 = 12.
Mistakes are common among kids when doing math, especially when it is finding the square of a number. Let’s learn some common mistakes to master the squaring of a number.
Find the length of the square, where the area of the square is 16384 cm².
The area of a square = a² So, the area of a square = 16384 cm² So, the length = √16384 = 128. The length of each side = 128 cm
The length of a square is 128 cm.
Because the area is 16384 cm² the length is √16384 = 128.
Anna is planning to paint her square wall of length 128 feet. The cost to paint a foot is 5 dollars. Then how much will it cost to paint the full wall?
The length of the wall = 128 feet The cost to paint 1 square foot of wall = 5 dollars. To find the total cost to paint, we find the area of the wall, Area of the wall = area of the square = a² Here a = 128 Therefore, the area of the wall = 128² = 128 × 128 = 16384. The cost to paint the wall = 16384 × 5 = 81920. The total cost = 81920 dollars
To find the cost to paint the wall, we multiply the area of the wall by cost to paint per foot.
So, the total cost is 81920 dollars.
Find the area of a circle whose radius is 128 meters.
The area of the circle = 51465.44 m²
The area of a circle = πr²
Here, r = 128
Therefore, the area of the circle = π × 128²
= 3.14 × 128 × 128
= 51465.44 m².
The area of the square is 16384 cm². Find the perimeter of the square.
The perimeter of the square is 512 cm
The area of the square = a²
Here, the area is 16384 cm²
The length of the side is √16384 = 128
Perimeter of the square = 4a
Here, a = 128
Therefore, the perimeter = 4 × 128 = 512.
Find the square of 129.
The square of 129 is 16641
The square of 129 is multiplying 129 by 129.
So, the square = 129 × 129 = 16641
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.