# Question: Is 8 A Cube Number?

## How do you cube 8?

The cube of a number is that number multiplied by its square.

So the cube of 2 is 8 because 2 X 2^2 is 8.

Or 2 X 2 X 2 = 8..

## What is the cube of 11?

Cube Numbers ListNumberCube101000=10 X 10 X 10111331=11 X 11 X 11121728=12 X 12 X 12132197=13 X 13 X 13160 more rows

## IS 128 a perfect square?

Is 128 a perfect square number? A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 128 is about 11.314. Thus, the square root of 128 is not an integer, and therefore 128 is not a square number.

## What is not a perfect cube?

∴ 256 is not a perfect cube. i.e. 512 is a perfect cube. Thus, the required smallest number is 2. Grouping the prime factors of 72 in triples, we are left over with 3 × 3.

## What is the cube of 8?

Perfect CubesPerfect Cubes621673438512972912 more rows

## What is the cube of 9?

Cube Roots up to 3 Digitsnn37343851297291010006 more rows•Sep 19, 2005

## What is the cube of 128?

Answer and Explanation: The cube root of 128 can be expressed one of two ways: 3√128 = 5.0397. 3√128 = 4*3√2.

## What are the first 5 cube numbers?

The first five cube numbers are: 1, 8, 27, 64 and 125.

## Is 8 a perfect cube?

What is a Perfect Cube? A perfect cube is a number that is the cube of an integer. Some examples of perfect cubes are 1, 8, 27, 64, 125, 216, 343, ..

## What is the first 10 cube numbers?

1, 8, 27, 64, 125, 216, 343, 512, … 1, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, … 2, 9, 16, 28, 35, 54, 65, 72, 91, … 1, 2, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, …

## What are the cube numbers from 1 to 100?

(All numbers are 15, 22, 50, 114, 167, 175, 186, 212, 231, 238, 303, 364, 420, 428, 454.) >8, 27, 64 are the cube numbers < 100.

## Is 25 a perfect square?

A perfect square is a number, from a given number system, that can be expressed as the square of a number from the same number system. 25 is a perfect square. 25 is a natural number, and since there is another natural number 5, such that 52 = 25, 25 is a perfect square.

## Is 9 a perfect square?

In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself. For example, 9 is a square number, since it can be written as 3 × 3.

## What is the cube of 2?

Answer and Explanation: 2 cubed is 8. When we cube a number we are multiplying the base number by itself three times.

## How do you calculate a cube?

The formula to find the volume multiplies the length by the width by the height. The good news for a cube is that the measure of each of these dimensions is exactly the same. Therefore, you can multiply the length of any side three times. This results in the formula: Volume = side * side * side.

## IS 729 a perfect cube?

Since 729 is a whole number, it is a perfect cube. The nearest previous perfect cube is 512 and the nearest next perfect cube is 1000 . 729 is said to be a perfect cube because 9 x 9 x 9 is equal to 729. Since 729 is a whole number, it is a perfect cube.

## IS 128 a perfect cube?

128=27 , thus it is not a perfect cube (i.e., its cube root is not an integer).

## IS 400 a perfect cube?

Since 2 & 5 do not occur in triplets. ∴ 400 is not a perfect cube.

## Is 8 a perfect square?

Is 8 a perfect square number? A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 8 is about 2.828. Thus, the square root of 8 is not an integer, and therefore 8 is not a square number.

## IS 500 a perfect cube?

∴ 500 is not a perfect cube. The prime factor 3 is not a group of three. ∴ 243 is not a perfect cube. Thus, the smallest required number to multipkly 243 to make it a perfect cube is 3.