Centuries to Nanoseconds

using System;
using System.Numerics;

namespace P10_CenturiesToNanosecond
{
    class Program
    { // 365.2422
        static void Main(string[] args)
        {
            byte centuries = byte.Parse(Console.ReadLine());
            ushort years = (ushort)(centuries * 100);
            int days = (int)(years * 365.2422);
            int hours = days * 24;
            long minutes = (long)hours * 60;
            long seconds = minutes * 60;
            ulong miliseconds = (ulong)seconds * 1000;
            BigInteger microseconds = (BigInteger)miliseconds * 1000;
            BigInteger nanoseconds = microseconds * 1000;

            Console.WriteLine($"{centuries} centuries = {years} years = {days} days = {hours} hours = {minutes}" +
                $" minutes = {seconds} seconds = {miliseconds} milliseconds = {microseconds} microseconds = {nanoseconds} nanoseconds");
        }
    }
}