What Data Type Does POW Return?


Angela Bailey

When it comes to working with numbers in programming, the power function is a handy tool. In most programming languages, the power function is denoted as pow().

It allows you to raise a number to a specified exponent. But have you ever wondered, what data type does pow() return?

The Return Data Type

The return data type of pow() depends on the programming language you are using. Let’s explore some popular programming languages and the data types returned by their respective power functions.


In JavaScript, the Math.pow() function is used to calculate the power of a number. It returns a value of type number. Here’s an example:

const result = Math.pow(2, 3);
console.log(typeof result); // Output: number


In Python, the built-in pow() function returns different data types based on its arguments:

  • If both arguments are integers or floats, it returns a value of type int.
  • If both arguments are complex numbers, it returns a value of type complex.
  • If one argument is an integer and the other is a float or vice versa, it returns a value of type float.

Here are some examples:

result_1 = pow(2, 3)
print(type(result_1)) # Output: int

result_2 = pow(2.5, 3)
print(type(result_2)) # Output: float

result_3 = pow(2+3j, 3)
print(type(result_3)) # Output: complex


In C++, the power function is provided by the pow() function from the cmath library. It returns a value of type double. Here’s an example:

#include <iostream>
#include <cmath>

int main() {
    double result = pow(2, 3);
    std::cout << typeid(result).name() << std::endl; // Output: double

    return 0;


The return data type of the power function varies across different programming languages. In JavaScript, it returns a number, while in Python, it can return int, float, or complex depending on the arguments. In C++, the pow() function returns a double.

Knowing the return data type is important when you are performing operations or assigning values based on the result of a power function call. Make sure to check the documentation or language specifications to understand what data type to expect.

Now that you are aware of the return data types of various power functions, you can confidently use them in your programs without any surprises!

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