Cube Root of 17

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Cube root of

What is the cube root of 17?

Answer

∛17 ≈
2.5713

Real cube root: the only number whose cube is 17.

≈ — rounded to 4 decimal places. 17 is not the cube of a rational number, so ∛17 is irrational: its decimal expansion never ends and never repeats.

Prime factors
17 is a prime number: no triple of equal factors.
Between cubes
2³ = 8 < 17 < 27 = 3³, so 2 < ∛17 < 3 and ∛17 ≈ 2.5713

See Also

FAQ

What is the cube root of 17?

∛17 ≈ 2.5713

Can ∛17 be simplified?

No: no prime appears three times in 17, so its only cube factor is 1 and ∛17 is already in simplest form. Since 2³ = 8 < 17 < 27 = 3³, ∛17 lies between 2 and 3: ∛17 ≈ 2.5713.

Is ∛17 a rational number?

No: 17 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 ∛17 is irrational; its decimal never ends and never repeats: ∛17 ≈ 2.5713.