Square root of 129
The square root of 129 is 11.357817 (rounded to 6 decimal places). It cannot be simplified.
Square root of 129
Pick any whole number from 1 to 10,000.
How to work it out
- 1
The square root of 129 is the number that multiplied by itself gives 129.
- 2
129 is between the perfect squares 11² = 121 and 12² = 144, so its square root is between 11 and 12.
- 3
129 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
\[ \sqrt{129} = \sqrt{129} \approx 11.357817 \]
\[ \sqrt{129} \]
\[ \sqrt{129} \approx 11.357817 \]Squares around 129
| Number | Squared |
|---|---|
| 10 | 100 |
| 11 | 121 |
| 12 | 144 |
| 13 | 169 |
Questions
What is the square root of 129?
The square root of 129 is 11.357817 (rounded to 6 decimal places). It cannot be simplified.
Is 129 a perfect square?
No. It lies between 11² = 121 and 12² = 144.
What is 129 squared?
129 × 129 = 16641.
What is the square root of 129 rounded to 2 decimals?
11.36.