Cube Root of 279
Cube Root Calculator
What is the cube root of 279?
Answer
∛279 ≈
6.5343
Real cube root: the only number whose cube is 279.
≈ — rounded to 4 decimal places. 279 is not the cube of a rational number, so ∛279 is irrational: its decimal expansion never ends and never repeats.
- Prime factors
- 279 = 3 × 3 × 31 = 3² × 31
- Take out of the root
- No prime appears three times, so ∛279 is already in simplest form.
- Between cubes
- 6³ = 216 < 279 < 343 = 7³, so 6 < ∛279 < 7 and ∛279 ≈ 6.5343
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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
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FAQ
What is the cube root of 279?
∛279 ≈ 6.5343
Can ∛279 be simplified?
No: no prime appears three times in 279, so its only cube factor is 1 and ∛279 is already in simplest form. Since 6³ = 216 < 279 < 343 = 7³, ∛279 lies between 6 and 7: ∛279 ≈ 6.5343.
Is ∛279 a rational number?
No: 279 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 ∛279 is irrational; its decimal never ends and never repeats: ∛279 ≈ 6.5343.
See Also
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