Cube Root of 125/729

Cube Root Calculator

What is the cube root of 125/729?

Answer

∛(125/729) =

5/9 ≈ 0.5556

Real cube root: the only number whose cube is 125/729.

≈ — 5/9 = 0.5555…, a repeating decimal; rounded to 4 decimal places.

Root of a fraction: ∛(125/729) = ∛125/∛729 = 5/9

See Also

Square Root Calculator - Calculate the square root of any number
Simplify Square Root Calculator - Write any square root in simplest radical form, step by step
Prime Factorization - Prime Factorization Calculator
Scientific Calculator with Memory & History - Free Engineering Calculator Online with Memory Function, Operation History, Logarithms & Trigonometry. Similar to ti-83, ti-84, ti-89

Recalculate with different values ↑

Cube roots of nearby values

N	∛N
0.1	≈ 0.4642
0.125	0.5
1/8	1/2 = 0.5
125/729	5/9 ≈ 0.5556
64/343	4/7 ≈ 0.5714
0.2	≈ 0.5848
0.216	0.6

FAQ

What is the cube root of 125/729?

∛(125/729) = 5/9 ≈ 0.5556

Why is ∛(125/729) = 5/9?

The cube root of a fraction is the cube root of the numerator over the cube root of the denominator: ∛(125/729) = ∛125/∛729 = 5/9, because 5³ = 125 and 9³ = 729.

Is ∛(125/729) a rational number?

Yes: ∛(125/729) = 5/9 ≈ 0.5556 — a fraction whose decimal repeats, which is why it is shown with ≈.

See Also