Cube Root of 169
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What is the cube root of 169?
Answer
∛169 ≈
5.5288
Real cube root: the only number whose cube is 169.
≈ — rounded to 4 decimal places. 169 is not the cube of a rational number, so ∛169 is irrational: its decimal expansion never ends and never repeats.
- Prime factors
- 169 = 13 × 13 = 13²
- Take out of the root
- No prime appears three times, so ∛169 is already in simplest form.
- Between cubes
- 5³ = 125 < 169 < 216 = 6³, so 5 < ∛169 < 6 and ∛169 ≈ 5.5288
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- 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 169?
∛169 ≈ 5.5288
Can ∛169 be simplified?
No: no prime appears three times in 169, so its only cube factor is 1 and ∛169 is already in simplest form. Since 5³ = 125 < 169 < 216 = 6³, ∛169 lies between 5 and 6: ∛169 ≈ 5.5288.
Is ∛169 a rational number?
No: 169 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 ∛169 is irrational; its decimal never ends and never repeats: ∛169 ≈ 5.5288.
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