What Is The Cube Of 7?

What will be the answer to the perfect cube of 7?

Solution: The side of the cube is 7 cm.

Volume = side × side × side = 7 × 7 × 7 = 343 cm3.

The numbers such as 1, 8, 27, 64, etc.

are known as perfect cubes or cube numbers….Illustration 1: Determine the volume of a cube with edge length of 7 cm.NumberCube62167343851297296 more rows.

Is 27 a perfect cube?

A perfect cube can be broken down to an integer multiplied by itself three times. For example, 3x3x3=27, so 27 is a perfect cube.

Is 75 a perfect cube?

The value of cube root of one is 75. The nearest previous perfect cube is 64 and the nearest next perfect cube is 125 . Cube root of 75 can be represented as 3√75.

What is the cube of 1 to 20?

Cubes of 1 to 20NumberCube(n3)17491318583219685920800016 more rows

What are 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 is the cube number of 7?

343Cube Numbers ListNumberCube7343=7 X 7 X 78512=8 X 8 X 89729=9 X 9 X 9101000=10 X 10 X 10160 more rows

Is 10000 is a perfect cube?

10000, which has 5 zeros. 5 can’t be divided by 3 to get equal whole numbers, so 10000 is not going to be a perfect cube.

IS 400 a perfect cube?

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

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 46656 a perfect cube?

Grouping the prime factors of 216 into triples, no factor is left over. ∴ 216 is a perfect cube. … Grouping the prime factors of 46656 in triples we are not left over with any prime factor. ∴ 46656 is a perfect cube.

Why is 27 not a prime number?

27 is divisible by other numbers (3 and 9), so it is not prime. The factors of 27 are 1, 3, 9, and 27, so it is not prime. The only even prime number is 2; thereafter, any even number may be divided by 2. The numbers 0 and 1 are not prime numbers.

What is the cube of 1?

Square, Cube, Square Root and Cubic Root for Numbers Ranging 0 – 100Number xSquare x2Cube x311124839274166492 more rows

What is the perfect cube of?

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 a Cube Root?

How do you find the cube of a number?

Cube numbersA cube number is a number multiplied by itself 3 times. This can also be called ‘a number cubed’. The symbol for cubed is ³.2³ = 2 × 2 × 2 = 8.3³ = 3 × 3 × 3 = 27.4³ = 4 × 4 × 4 = 64.5³ = 5 × 5 × 5 =125.The cube numbers up to 100 are: 1, 8, 27, 64.

Is 50 a cube number?

“Every natural number is either a cube number or the sum of 2,3,4,5,6,7,8 or 9 cube numbers.” … (All numbers are 15, 22, 50, 114, 167, 175, 186, 212, 231, 238, 303, 364, 420, 428, 454.)

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.

Is 27 a perfect square?

Is 27 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 27 is about 5.196. Thus, the square root of 27 is not an integer, and therefore 27 is not a square number.

What are the cube roots of 1?

In real numbers the cube root of 1 is 1. However, in complex numbers it also has two other roots, namely cos(120) + sin (120) X I where I is root (-1) and also cos(240) + sin (240) x I. Each of these roots when cubed give 1, as well as 1.