Square root of 6421
The square root of 6421 is 80.131143 (rounded to 6 decimal places). It cannot be simplified.
Square root of 6421
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 6421 is the number that multiplied by itself gives 6421.
- 2
6421 is between the perfect squares 80² = 6400 and 81² = 6561, so its square root is between 80 and 81.
- 3
6421 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
\[ \sqrt{6421} = \sqrt{6421} \approx 80.131143 \]
\[ \sqrt{6421} \]
\[ \sqrt{6421} \approx 80.131143 \]Squares around 6421
| Number | Squared |
|---|---|
| 79 | 6241 |
| 80 | 6400 |
| 81 | 6561 |
| 82 | 6724 |
Questions
What is the square root of 6421?
The square root of 6421 is 80.131143 (rounded to 6 decimal places). It cannot be simplified.
Is 6421 a perfect square?
No. It lies between 80² = 6400 and 81² = 6561.
What is 6421 squared?
6421 × 6421 = 41229241.
What is the square root of 6421 rounded to 2 decimals?
80.13.