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    Cube Root of 55

    Cube Root Calculator
    Cube root of

    What is the cube root of 55?

    Answer

    ∛55 ≈
    3.803

    Real cube root: the only number whose cube is 55.

    ≈ — rounded to 4 decimal places. 55 is not the cube of a rational number, so ∛55 is irrational: its decimal expansion never ends and never repeats.

    Prime factors
    55 = 5 × 11
    Take out of the root
    No prime appears three times, so ∛55 is already in simplest form.
    Between cubes
    3³ = 27 < 55 < 64 = 4³, so 3 < ∛55 < 4 and ∛55 ≈ 3.803

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    https://calculat.io/en/number/cube-root/55Copy
    <a href="https://calculat.io/en/number/cube-root/55">Cube Root of 55 (∛55): Exact Value and Decimal - Calculatio</a>Copy
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    Cube Root of 55 (∛55): Exact Value and Decimal. ∛55 ≈ 3.803. 55 has no cube factor but 1, so ∛55 is already simplest; it lies between 3 and 4.
    https://calculat.io/en/number/cube-root/55/generated.jpgCopy

    Cube roots of nearby values

    N∛N
    52≈ 3.7325
    53≈ 3.7563
    543∛2 ≈ 3.7798
    55≈ 3.803
    562∛7 ≈ 3.8259
    57≈ 3.8485
    58≈ 3.8709
    Recalculate with different values ↑

    FAQ

    What is the cube root of 55?

    ∛55 ≈ 3.803

    Can ∛55 be simplified?

    No: no prime appears three times in 55, so its only cube factor is 1 and ∛55 is already in simplest form. Since 3³ = 27 < 55 < 64 = 4³, ∛55 lies between 3 and 4: ∛55 ≈ 3.803.

    Is ∛55 a rational number?

    No: 55 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 ∛55 is irrational; its decimal never ends and never repeats: ∛55 ≈ 3.803.

    See Also