Square Root Calculator › Square root of 864
Square Root of 864
√864 ≈ 29.393877
864 is not a perfect square, so √864 is an irrational number that is approximately 29.393877. In simplified radical form, √864 = 12√6.
√864 lies between √841 = 29 and √900 = 30.
| Number | 864 |
| Square root (decimal) | 29.393877 |
| Simplified radical | 12√6 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 864 a perfect square?
No, 864 is not a perfect square, so its square root is irrational and approximately 29.393877.
What is the square root of 864 in simplest radical form?
√864 = 12√6 in simplest radical form.