Пользователь вводит число. Определить количество цифр в этом

// NumberToKnow.cpp :

#include <iostream>
using namespace std;
int main()
{
    //variables
    int number;
    int sumDigits = 0;
    float sum = 0;
    float average = 0;
    int numOfZero = 0;
    cout << "Please enter a number " << endl;
    cin >> number; //asking number

    while (number != 0)
    {
        sum += number % 10; //calculate sum
        if (number % 10 == 0)
        {
            numOfZero++; //calculate zeroes
        }

        number /= 10;
        sumDigits++; //calculate digits
    }
    cout << "The number has " << sumDigits << " digits" << endl;

    average = sum / sumDigits; //calculate average

    cout << "The sum is " << sum << endl;
    cout << "The average is " << average << endl;
    cout << "The num of zero is " << numOfZero << endl;
}