Square root of 855

The square root of 855 is 29.240383 (rounded to 6 decimal places). In simplest radical form it is 3√95.

Square root of 855

Pick any whole number from 1 to 10,000.

\sqrt{855} = 3\sqrt{95} \approx 29.240383

How to work it out

1
The square root of 855 is the number that multiplied by itself gives 855.
2
855 is between the perfect squares 29² = 841 and 30² = 900, so its square root is between 29 and 30.
3
Pull out the biggest square factor: 855 = 9 × 95, so
$\sqrt{855} = \sqrt{9 \times 95} = 3\sqrt{95}$
4
A calculator, or long division of digits, gives
$\sqrt{855} \approx 29.240383$

LaTeX source of the formulas on this page

\[ \sqrt{855} = 3\sqrt{95} \approx 29.240383 \]
\[ \sqrt{855} = \sqrt{9 \times 95} = 3\sqrt{95} \]
\[ \sqrt{855} \approx 29.240383 \]

What is the square root of 855?

The square root of 855 is 29.240383 (rounded to 6 decimal places). In simplest radical form it is 3√95.

Is 855 a perfect square?

No. It lies between 29² = 841 and 30² = 900.

What is 855 squared?

855 × 855 = 731025.

What is the square root of 855 rounded to 2 decimals?

29.24.