Cube Root of 327

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What is the cube root of 327?

Answer

∛327 ≈
6.8894

Real cube root: the only number whose cube is 327.

≈ — rounded to 4 decimal places. 327 is not the cube of a rational number, so ∛327 is irrational: its decimal expansion never ends and never repeats.

Prime factors
327 = 3 × 109
Take out of the root
No prime appears three times, so ∛327 is already in simplest form.
Between cubes
6³ = 216 < 327 < 343 = 7³, so 6 < ∛327 < 7 and ∛327 ≈ 6.8894

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FAQ

What is the cube root of 327?

∛327 ≈ 6.8894

Can ∛327 be simplified?

No: no prime appears three times in 327, so its only cube factor is 1 and ∛327 is already in simplest form. Since 6³ = 216 < 327 < 343 = 7³, ∛327 lies between 6 and 7: ∛327 ≈ 6.8894.

Is ∛327 a rational number?

No: 327 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 ∛327 is irrational; its decimal never ends and never repeats: ∛327 ≈ 6.8894.