Square Root Calculator › Square root of 780
Square Root of 780
√780 ≈ 27.92848
780 is not a perfect square, so √780 is an irrational number that is approximately 27.92848. In simplified radical form, √780 = 2√195.
√780 lies between √729 = 27 and √784 = 28.
| Number | 780 |
| Square root (decimal) | 27.92848 |
| Simplified radical | 2√195 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 780 a perfect square?
No, 780 is not a perfect square, so its square root is irrational and approximately 27.92848.
What is the square root of 780 in simplest radical form?
√780 = 2√195 in simplest radical form.