Cube Root of 19
Cube Root Calculator
What is the cube root of 19?
Answer
∛19 ≈
2.6684
Real cube root: the only number whose cube is 19.
≈ — rounded to 4 decimal places. 19 is not the cube of a rational number, so ∛19 is irrational: its decimal expansion never ends and never repeats.
- Prime factors
- 19 is a prime number: no triple of equal factors.
- Between cubes
- 2³ = 8 < 19 < 27 = 3³, so 2 < ∛19 < 3 and ∛19 ≈ 2.6684
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- 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 19?
∛19 ≈ 2.6684
Can ∛19 be simplified?
No: no prime appears three times in 19, so its only cube factor is 1 and ∛19 is already in simplest form. Since 2³ = 8 < 19 < 27 = 3³, ∛19 lies between 2 and 3: ∛19 ≈ 2.6684.
Is ∛19 a rational number?
No: 19 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 ∛19 is irrational; its decimal never ends and never repeats: ∛19 ≈ 2.6684.
See Also
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