Square root of 861
The square root of 861 is 29.342802 (rounded to 6 decimal places). It cannot be simplified.
Square root of 861
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 861 is the number that multiplied by itself gives 861.
- 2
861 is between the perfect squares 29² = 841 and 30² = 900, so its square root is between 29 and 30.
- 3
861 has no square factor bigger than 1, so the radical stays as it is.
- 4
A calculator, or long division of digits, gives
LaTeX source of the formulas on this page
\[ \sqrt{861} = \sqrt{861} \approx 29.342802 \]
\[ \sqrt{861} \]
\[ \sqrt{861} \approx 29.342802 \]Squares around 861
| Number | Squared |
|---|---|
| 28 | 784 |
| 29 | 841 |
| 30 | 900 |
| 31 | 961 |
Questions
What is the square root of 861?
The square root of 861 is 29.342802 (rounded to 6 decimal places). It cannot be simplified.
Is 861 a perfect square?
No. It lies between 29² = 841 and 30² = 900.
What is 861 squared?
861 × 861 = 741321.
What is the square root of 861 rounded to 2 decimals?
29.34.