Square root of 89

√89 ≈ 9.4340

√89 is an irrational number, so its decimals never end or repeat. It sits between 9 and 10 because 9² = 81 and 10² = 100.

√89 rounded

Simplest radical form

89 has no perfect-square factor other than 1, so √89 is already in simplest radical form.

Check the answer

9.4340 × 9.4340 ≈ 89.0004, which is very close to 89.

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Square roots near 89

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