Square root of 991
The square root of 991 is 31.480152 (rounded to 6 decimal places). It cannot be simplified.
Square root of 991
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 991 is the number that multiplied by itself gives 991.
- 2
991 is between the perfect squares 31² = 961 and 32² = 1024, so its square root is between 31 and 32.
- 3
991 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
\[ \sqrt{991} = \sqrt{991} \approx 31.480152 \]
\[ \sqrt{991} \]
\[ \sqrt{991} \approx 31.480152 \]Squares around 991
| Number | Squared |
|---|---|
| 30 | 900 |
| 31 | 961 |
| 32 | 1024 |
| 33 | 1089 |
Questions
What is the square root of 991?
The square root of 991 is 31.480152 (rounded to 6 decimal places). It cannot be simplified.
Is 991 a perfect square?
No. It lies between 31² = 961 and 32² = 1024.
What is 991 squared?
991 × 991 = 982081.
What is the square root of 991 rounded to 2 decimals?
31.48.