Square root of 8221
The square root of 8221 is 90.66973 (rounded to 6 decimal places). It cannot be simplified.
Square root of 8221
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 8221 is the number that multiplied by itself gives 8221.
- 2
8221 is between the perfect squares 90² = 8100 and 91² = 8281, so its square root is between 90 and 91.
- 3
8221 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
\[ \sqrt{8221} = \sqrt{8221} \approx 90.66973 \]
\[ \sqrt{8221} \]
\[ \sqrt{8221} \approx 90.66973 \]Squares around 8221
| Number | Squared |
|---|---|
| 89 | 7921 |
| 90 | 8100 |
| 91 | 8281 |
| 92 | 8464 |
Questions
What is the square root of 8221?
The square root of 8221 is 90.66973 (rounded to 6 decimal places). It cannot be simplified.
Is 8221 a perfect square?
No. It lies between 90² = 8100 and 91² = 8281.
What is 8221 squared?
8221 × 8221 = 67584841.
What is the square root of 8221 rounded to 2 decimals?
90.67.