√133 ≈ 11.5326
√133 is an irrational number, so its decimals never end or repeat. It sits between 11 and 12 because 11² = 121 and 12² = 144.
| Decimal places | Value |
|---|---|
| 0 | 12 |
| 1 | 11.5 |
| 2 | 11.53 |
| 3 | 11.533 |
| 4 | 11.5326 |
| 5 | 11.53256 |
| 10 (digits) | 11.5325625947 |
133 has no perfect-square factor other than 1, so √133 is already in simplest radical form.
11.5326 × 11.5326 ≈ 133.0009, which is very close to 133.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 129 | 11.3578 |
| 130 | 11.4018 |
| 131 | 11.4455 |
| 132 | 11.4891 |
| 134 | 11.5758 |
| 135 | 11.6190 |
| 136 | 11.6619 |
| 137 | 11.7047 |