Cube Root of 24

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Cube root of

What is the cube root of 24?

Answer

∛24 =
2∛3 ≈ 2.8845

Real cube root: the only number whose cube is 24.

≈ — rounded to 4 decimal places. 24 is not the cube of a rational number, so ∛24 is irrational: its decimal expansion never ends and never repeats.

Prime factors
24 = (2 × 2 × 2) × 3 = 2³ × 3
Take out of the root
∛24 = ∛(2³ × 3) = 2∛3
Between cubes
2³ = 8 < 24 < 27 = 3³, so 2 < ∛24 < 3 and ∛24 ≈ 2.8845

See Also

Cube roots of nearby values

FAQ

What is the cube root of 24?

∛24 = 2∛3 ≈ 2.8845

How to simplify ∛24?

Factor 24 into primes: 24 = 2 × 2 × 2 × 3. Each triple of equal factors is a cube and comes out of the root as one factor; the rest stays under it: ∛24 = ∛(2³ × 3) = 2∛3.

Is ∛24 a rational number?

No: 24 is not the cube of a rational number, and the cube root of a fraction p/q in lowest terms is rational only when p and q are both cubes. So ∛24 is irrational; its decimal never ends and never repeats: ∛24 ≈ 2.8845.