See growth rates of n for a few functions

Growth.java

public class Growth{
    /**
    n!,2n,2​n^2, 5nlogn,20n,10n
     */
    public static void main(String [] args){
       long fact, twon, twon2, fivenlogn, twentyn, tenn;
       for(long i = 0; i < 20; i++){
           fact = fact(i);
           twon = (long)Math.pow(2, i);
           twon2 = 2 * (long)Math.pow(i, 2);
           fivenlogn = (5 * i) * (long)Math.log(i);
           twentyn = 20 * i;
           tenn = 10 * i;
           System.out.printf("%d: n!: %d 2^n: %d 2n^2: %d 5nlogn: %d 20n: %d 10n: %d\n",
            i, fact, twon, twon2, fivenlogn, twentyn, tenn);
        
       }
    }
    public static long fact(long n){
        if(n <= 2){
            return n;
        }
        return fact(n - 1) * n;
    }
}