Square root of 6689
The square root of 6689 is 81.786307 (rounded to 6 decimal places). It cannot be simplified.
Square root of 6689
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 6689 is the number that multiplied by itself gives 6689.
- 2
6689 is between the perfect squares 81² = 6561 and 82² = 6724, so its square root is between 81 and 82.
- 3
6689 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
\[ \sqrt{6689} = \sqrt{6689} \approx 81.786307 \]
\[ \sqrt{6689} \]
\[ \sqrt{6689} \approx 81.786307 \]Squares around 6689
| Number | Squared |
|---|---|
| 80 | 6400 |
| 81 | 6561 |
| 82 | 6724 |
| 83 | 6889 |
Questions
What is the square root of 6689?
The square root of 6689 is 81.786307 (rounded to 6 decimal places). It cannot be simplified.
Is 6689 a perfect square?
No. It lies between 81² = 6561 and 82² = 6724.
What is 6689 squared?
6689 × 6689 = 44742721.
What is the square root of 6689 rounded to 2 decimals?
81.79.