Nº Cúbico n
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
C_n = n³
About this calculator
The cubic number calculator computes the cube of an integer n, that is, n raised to the third power (n³). The cube of a number represents the volume of a cube with edge length n. For example, for n = 3, the result is 27, which is the volume of a cube with side 3.
Operation is simple: enter an integer n (positive, negative, or zero) and the calculator returns n³. The formula is C_n = n × n × n. There are no upper limits, but very large numbers may produce extensive results.
Use this calculator for geometry problems (volume of cubes), physics (cubic power calculations), financial math (compound interest with exponent 3), or simple curiosity. It is useful for students, engineers, and professionals who need cubes quickly.
Cautions: ensure n is an integer, as the calculator does not accept decimals. For negative numbers, the cube will be negative. The calculator does not handle complex numbers. Verify that the result fits your problem context.
Frequently asked questions
What is a cubic number?
A cubic number is the result of raising an integer to the third power. For example, 2³ = 8, so 8 is a cubic number.
Can I use negative numbers?
Yes, negative numbers are accepted. The cube of a negative number is negative, since (-n)³ = -n³.
Does the calculator accept decimal numbers?
No, it only accepts integers. For decimals, use a general power calculator.
What is the difference between cube and square?
The square of a number is n² (n × n), while the cube is n³ (n × n × n). Cube involves multiplication by three factors.
What is the purpose of calculating the cube of a number?
It is used to calculate volumes of cubes, in physics formulas, in statistics (moments), and in various areas of mathematics.