Java BigInteger pow() method

The pow() method of Java BigInteger class is used to calculate the power of BigInteger value. This method returns a BigInteger whose value is (this^exponent ).

Syntax:

Parameter:

exponent- exponent to which this BigInteger is to be raised.

Returns:

This method returns (this^exponent ).

Exception:

ArithmeticException- exponent is negative.

Note: An exponent should be an integer rather than a BigInteger.

Example 1

import java.math.BigInteger;
public class BigIntegerPowExample1 {
	public static void main(String[] args) {
		//create 2 BigInteger objects 
		BigInteger big1,result;
		// initialize all BigInteger objects
		big1=new BigInteger("13");
		int exponent=2;
                     //perform pow operation on big1 using exponent
		result=big1.pow(exponent);
		String str=big1+"^"+exponent+" is "+result;
		System.out.println(str);
	}
}

Test it Now

Output:

13^2 is 169

Example 2

import java.math.BigInteger;
public class BigIntegerPowExample2 {
	public static void main(String[] args) {
		//create 2 BigInteger objects 
		BigInteger big1,result;
		// initialize all BigInteger objects
		big1 = new BigInteger("100");
		int exponent = 3;
                     //perform pow operation on big1 using exponent
		result = big1.pow(exponent);
		String str=big1+"^"+exponent+" is "+result;
		System.out.println(str);
	}
}

Test it Now

Output:

100^3 is 1000000

Example 3

import java.math.BigInteger;
public class BigIntegerPowExample3 {
	public static void main(String[] args) {
		//create 2 BigInteger objects 
		BigInteger big1,result;
		// initialize all BigInteger objects
		big1 = new BigInteger("13");
		int exponent = -1;
                     //perform pow operation on big1 using exponent
		result = big1.pow(exponent);
		String str=big1+"^"+exponent+" is "+result;
		System.out.println(str);
	}
}

Test it Now

Output:

java.lang.ArithmeticException: Negative exponent

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Java BigInteger pow() method

Syntax:

Parameter:

Returns:

Exception:

Note: An exponent should be an integer rather than a BigInteger.

Example 1