Cube Root of 58

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Cube root of

What is the cube root of 58?

Answer

∛58 ≈
3.8709

Real cube root: the only number whose cube is 58.

≈ — rounded to 4 decimal places. 58 is not the cube of a rational number, so ∛58 is irrational: its decimal expansion never ends and never repeats.

Prime factors
58 = 2 × 29
Take out of the root
No prime appears three times, so ∛58 is already in simplest form.
Between cubes
3³ = 27 < 58 < 64 = 4³, so 3 < ∛58 < 4 and ∛58 ≈ 3.8709

See Also

FAQ

What is the cube root of 58?

∛58 ≈ 3.8709

Can ∛58 be simplified?

No: no prime appears three times in 58, so its only cube factor is 1 and ∛58 is already in simplest form. Since 3³ = 27 < 58 < 64 = 4³, ∛58 lies between 3 and 4: ∛58 ≈ 3.8709.

Is ∛58 a rational number?

No: 58 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 ∛58 is irrational; its decimal never ends and never repeats: ∛58 ≈ 3.8709.