Square root of 491
The square root of 491 is 22.15852 (rounded to 6 decimal places). It cannot be simplified.
Square root of 491
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 491 is the number that multiplied by itself gives 491.
- 2
491 is between the perfect squares 22² = 484 and 23² = 529, so its square root is between 22 and 23.
- 3
491 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
\[ \sqrt{491} = \sqrt{491} \approx 22.15852 \]
\[ \sqrt{491} \]
\[ \sqrt{491} \approx 22.15852 \]Squares around 491
| Number | Squared |
|---|---|
| 21 | 441 |
| 22 | 484 |
| 23 | 529 |
| 24 | 576 |
Questions
What is the square root of 491?
The square root of 491 is 22.15852 (rounded to 6 decimal places). It cannot be simplified.
Is 491 a perfect square?
No. It lies between 22² = 484 and 23² = 529.
What is 491 squared?
491 × 491 = 241081.
What is the square root of 491 rounded to 2 decimals?
22.16.