√
Calcul Racine Carree
Racine carree, cubique, verification et carres parfaits.
√144 =
12
144 est un carre parfait
Racine cubique
5,24
Carre parfait ?
Oui
Verification
12,00 × 12,00 = 144,00
Carres parfaits proches
11² = 12112² = 14413² = 16914² = 196
Formule
√n = n1/2
√n × √n = n
Tableau des racines carrees
| n | √n | n | √n |
|---|---|---|---|
| 1 | 1 | 1 | 1 |
| 2 | 1,4142 | 4 | 2 |
| 3 | 1,7321 | 9 | 3 |
| 4 | 2 | 16 | 4 |
| 5 | 2,2361 | 25 | 5 |
| 6 | 2,4495 | 36 | 6 |
| 7 | 2,6458 | 49 | 7 |
| 8 | 2,8284 | 64 | 8 |
| 9 | 3 | 81 | 9 |
| 10 | 3,1623 | 100 | 10 |
| 11 | 3,3166 | 121 | 11 |
| 12 | 3,4641 | 144 | 12 |
| 13 | 3,6056 | 169 | 13 |
Les 20 premiers carres parfaits
149162536496481100121144169196225256289324361400