C program to find Square root of Number

Write a C program to find square root of number.

#include<stdio.h>
#include<conio.h>
#include<math.h>

void main()
{
    int a,b,c;
    clrscr();

    int number;
    float square_root;

    printf("Enter a number : ");
    scanf("%d",&number);

    square_root = sqrt(number);

    printf("square root is %f",square_root);

    getch();

}

Output:
Enter a number :5
square root is  2.236068