Square root of 171

√171 ≈ 13.0767

√171 is an irrational number, so its decimals never end or repeat. It sits between 13 and 14 because 13² = 169 and 14² = 196.

√171 rounded

Simplest radical form

171 = 9 × 19 and √9 = 3, so √171 = 3√19.

Check the answer

13.0767 × 13.0767 ≈ 171.0001, which is very close to 171.

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Square roots near 171

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