Square Root Calculator › Square root of 891
Square Root of 891
√891 ≈ 29.849623
891 is not a perfect square, so √891 is an irrational number that is approximately 29.849623. In simplified radical form, √891 = 9√11.
√891 lies between √841 = 29 and √900 = 30.
| Number | 891 |
| Square root (decimal) | 29.849623 |
| Simplified radical | 9√11 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 891 a perfect square?
No, 891 is not a perfect square, so its square root is irrational and approximately 29.849623.
What is the square root of 891 in simplest radical form?
√891 = 9√11 in simplest radical form.