Square root of 721
The square root of 721 is 26.851443 (rounded to 6 decimal places). It cannot be simplified.
Square root of 721
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 721 is the number that multiplied by itself gives 721.
- 2
721 is between the perfect squares 26² = 676 and 27² = 729, so its square root is between 26 and 27.
- 3
721 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
\[ \sqrt{721} = \sqrt{721} \approx 26.851443 \]
\[ \sqrt{721} \]
\[ \sqrt{721} \approx 26.851443 \]Squares around 721
| Number | Squared |
|---|---|
| 25 | 625 |
| 26 | 676 |
| 27 | 729 |
| 28 | 784 |
Questions
What is the square root of 721?
The square root of 721 is 26.851443 (rounded to 6 decimal places). It cannot be simplified.
Is 721 a perfect square?
No. It lies between 26² = 676 and 27² = 729.
What is 721 squared?
721 × 721 = 519841.
What is the square root of 721 rounded to 2 decimals?
26.85.