C

C Program to Count Number of Digits in a Number

/* C Program to Count Number of Digits in a Number using While Loop */
#include <stdio.h>

int main()
{
  int Number, Reminder, Count=0;

  printf("
 Please Enter any number
");
  scanf("%d", &Number);

  while(Number > 0)
  {
     Number = Number / 10;
     Count = Count + 1;  
  }

  printf("
 Number of Digits in a Given Number = %d", Count);
  return 0;
}

c how many digits has a number

digits = (number == 0) ? 1 : (log10(number) + 1);
//or
while (number > 0)
{
	number /= 10;
	digits++;
}
//see: https://ideone.com/P1h8Ne

C number of digits in integer

int numberOfDigits = 1 + log10(number) // stores number of digits in integer

how to count digits and sum of digits in C

Enter the number
300
Given number = 300
Sum of the digits 300 = 3
 
 
Enter the number
16789
Given number = 16789
Sum of the digits 16789 = 31