Square Root Calculator › Square root of 278
Square Root of 278
√278 ≈ 16.673332
278 is not a perfect square, so √278 is an irrational number that is approximately 16.673332. In simplified radical form, √278 = √278.
√278 lies between √256 = 16 and √289 = 17.
| Number | 278 |
| Square root (decimal) | 16.673332 |
| Simplified radical | √278 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 278 a perfect square?
No, 278 is not a perfect square, so its square root is irrational and approximately 16.673332.
What is the square root of 278 in simplest radical form?
√278 = √278 in simplest radical form.