√147 ≈ 12.1244
√147 is an irrational number, so its decimals never end or repeat. It sits between 12 and 13 because 12² = 144 and 13² = 169.
| Decimal places | Value |
|---|---|
| 0 | 12 |
| 1 | 12.1 |
| 2 | 12.12 |
| 3 | 12.124 |
| 4 | 12.1244 |
| 5 | 12.12436 |
| 10 (digits) | 12.1243556530 |
147 = 49 × 3 and √49 = 7, so √147 = 7√3.
12.1244 × 12.1244 ≈ 147.0011, which is very close to 147.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 143 | 11.9583 |
| 144 | 12 |
| 145 | 12.0416 |
| 146 | 12.0830 |
| 148 | 12.1655 |
| 149 | 12.2066 |
| 150 | 12.2474 |
| 151 | 12.2882 |