Cube Root of 15.625

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Cube root of

What is the cube root of 15.625?

Answer

∛15.625 =
2.5

Real cube root: the only number whose cube is 15.625.

15.625 = 125/8.

As a fraction
15.625 = 15625/1000 = 25³/10³ → ∛15.625 = 25/10 = 2.5

See Also

Recalculate with different values ↑

Cube roots of nearby values

N∛N
14≈ 2.4101
15≈ 2.4662
125/85/2 = 2.5
15.6252.5
162∛2 ≈ 2.5198
17≈ 2.5713
17.5≈ 2.5962

FAQ

What is the cube root of 15.625?

∛15.625 = 2.5

How to find ∛15.625 without a calculator?

Write the decimal as a fraction over a power of 10: 15.625 = 15625/1000 = 25³/10³. Then ∛15.625 = 25/10 = 2.5.

Is ∛15.625 a rational number?

Yes: ∛15.625 = 2.5, a terminating decimal.

See Also