learn.howToCalculate
learn.whatIsHeading
The cube root of a number x is a value a such that a³ = x. In other words, you are looking for the number that, multiplied by itself three times, gives you x. Cube roots can be positive, negative, or zero, unlike square roots.
Guide étape par étape
- 1Express the number as a product of prime factors
- 2Group prime factors into sets of three
- 3Take one factor from each group of three
- 4Multiply the results — that is the cube root
Exemples résolus
Entrée
∛64
Résultat
4
Because 4 × 4 × 4 = 64
Entrée
∛-27
Résultat
−3
Because (−3)³ = −27
Entrée
∛125
Résultat
5
Because 5 × 5 × 5 = 125
Entrée
∛1000
Résultat
10
Because 10 × 10 × 10 = 1,000
Entrée
∛10
Résultat
2.15443…
Not a perfect cube — irrational result
Prêt à calculer ? Essayez la calculatrice gratuite Cube Root
Essayez-le vous-même →