Square root of 689
The square root of 689 is 26.248809 (rounded to 6 decimal places). It cannot be simplified.
Square root of 689
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 689 is the number that multiplied by itself gives 689.
- 2
689 is between the perfect squares 26² = 676 and 27² = 729, so its square root is between 26 and 27.
- 3
689 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
\[ \sqrt{689} = \sqrt{689} \approx 26.248809 \]
\[ \sqrt{689} \]
\[ \sqrt{689} \approx 26.248809 \]Squares around 689
| Number | Squared |
|---|---|
| 25 | 625 |
| 26 | 676 |
| 27 | 729 |
| 28 | 784 |
Questions
What is the square root of 689?
The square root of 689 is 26.248809 (rounded to 6 decimal places). It cannot be simplified.
Is 689 a perfect square?
No. It lies between 26² = 676 and 27² = 729.
What is 689 squared?
689 × 689 = 474721.
What is the square root of 689 rounded to 2 decimals?
26.25.