# Programming Shortcut

## Monday, February 4, 2019

### sum of digits and product of digits program in c

Hello Friends! Welcome to my blog
Today We will Discus about how to calculate sum of digit and product of digit using while loop of a number in c programming language
The sum of digit of a number is addition every digit of number
For example
a number is 5392 then sum of digit is 5+3+9+2=19
And product of digit of a number is multiplication of each digit
For Example
a number is 5392 then product of digit is 5*3*9*2=270
See programming Example:

### c program find to sum of digits

#include<stdio.h>
#include<conio.h>
void main(){
int n ,d,sum=0;
clrscr();
printf("enter The number");
scanf("%d",&n);
while(n>0){
d=n%10;
sum=sum+d;
n=n/10;
}
printf("The sum of digit= %d",sum);
getch();
}

Output:
enter The number
185755
The sum of digit= 31

### C program to find product of digits

#include<stdio.h>
#include<conio.h>
void main(){
int n ,d,pro=1;
clrscr();
printf("enter The number");
scanf("%d",&n);
while(n>0){
d=n%10;
pro=pro+d;
n=n/10;
}
printf("The product of digit= %d",pro);
getch();
}

Output:
enter The number
5846
The product of digit= 960

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