Square root of 490
The square root of 490 is 22.135944 (rounded to 6 decimal places). In simplest radical form it is 7ā10.
Square root of 490
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 490 is the number that multiplied by itself gives 490.
- 2
490 is between the perfect squares 22Ā² = 484 and 23Ā² = 529, so its square root is between 22 and 23.
- 3
Pull out the biggest square factor: 490 = 49 Ć 10, so
- 4
A calculator, or long division of digits, gives
LaTeX source of the formulas on this page
\[ \sqrt{490} = 7\sqrt{10} \approx 22.135944 \]
\[ \sqrt{490} = \sqrt{49 \times 10} = 7\sqrt{10} \]
\[ \sqrt{490} \approx 22.135944 \]Squares around 490
| Number | Squared |
|---|---|
| 21 | 441 |
| 22 | 484 |
| 23 | 529 |
| 24 | 576 |
Questions
What is the square root of 490?
The square root of 490 is 22.135944 (rounded to 6 decimal places). In simplest radical form it is 7ā10.
Is 490 a perfect square?
No. It lies between 22Ā² = 484 and 23Ā² = 529.
What is 490 squared?
490 Ć 490 = 240100.
What is the square root of 490 rounded to 2 decimals?
22.14.