The square root of 289 is 17.
The square root of 289 is 17.
Because 17 × 17 = 289, 289 is a perfect square and its root is a whole number.
You can check it by squaring the result: 17² ≈ 289.
| √289 | = 17 |
| 17² | = 289 |
| ∛289 | = 6.611489 |
| Number | Square root | Note |
|---|---|---|
| 169 | 13 | perfect square |
| 196 | 14 | perfect square |
| 225 | 15 | perfect square |
| 256 | 16 | perfect square |
| 289 | 17 | this page |
| 324 | 18 | perfect square |
| 361 | 19 | perfect square |
| 400 | 20 | perfect square |
The square root of 289 is 17.
Yes. 17 × 17 = 289.
Rational, because it is the whole number 17.
The cube root of 289 is about 6.611489.
Yes. Use the calculator on this page, or open the full free Scientific Calculator with memory, history and keyboard support.