Given a number N, the task is to find Nth Hexacontatetragon number.
An Hexacontatetragon number is a class of figurate numbers. It has a 64-sided polygon called Hexacontatetragon. The N-th Hexacontatetragon number count’s the 64 number of dots and all other dots are surrounding with a common sharing corner and make a pattern. The first few Hexacontatetragonol numbers are 1, 64, 189, 376, 625, 936, …
Examples:
Input: N = 2
Output: 64
Explanation:
The second Hexacontatetragonol number is 64.
Input: N = 3
Output: 189
Approach: The N-th Hexacontatetragon number is given by the formula:
- Nth term of s sided polygon =
- Therefore Nth term of 64 sided polygon is
Below is the implementation of the above approach:
C++
// C++ implementation for above approach #include <bits/stdc++.h> using namespace std; // Function to Find the // Nth Hexacontatetragon Number int HexacontatetragonNum( int n) { return (62 * n * n - 60 * n) / 2; } // Driver Code int main() { int n = 3; cout << HexacontatetragonNum(n); return 0; } |
Java
// Java program to find N-th // Hexacontatetragon number class GFG{ // Function to find the nth // Hexacontatetragon number static int HexacontatetragonNum( int n) { return ( 62 * n * n - 60 * n) / 2 ; } // Driver code public static void main(String[] args) { int n = 3 ; System.out.print(HexacontatetragonNum(n)); } } // This code is contributed by shubham |
Python3
# Python3 implementation for above approach # Function to Find the # Nth Hexacontatetragon Number def HexacontatetragonNum(n): return ( 62 * n * n - 60 * n) / 2 ; # Driver Code n = 3 ; print (HexacontatetragonNum(n)); # This code is contributed by Code_Mech |
C#
// C# program to find N-th // Hexacontatetragon number using System; class GFG{ // Function to find the nth // Hexacontatetragon number static int HexacontatetragonNum( int n) { return (62 * n * n - 60 * n) / 2; } // Driver code public static void Main() { int n = 3; Console.Write(HexacontatetragonNum(n)); } } // This code is contributed by Code_Mech |
Javascript
<script> // Javascript program to find N-th // Hexacontatetragon number // Function to find the nth // Hexacontatetragon number function HexacontatetragonNum( n) { return (62 * n * n - 60 * n) / 2; } // Driver code let n = 3; document.write(HexacontatetragonNum(n)); // This code contributed by aashish1995 </script> |
189
Time Complexity: O(1)
Reference: https://en.wikipedia.org/wiki/Hexacontatetragon
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