18171275121664

Names of 18171275121664

• Cardinal: 18171275121664 can be written as Eighteen trillion, one hundred seventy-one billion, two hundred seventy-five million, one hundred twenty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.8171275121664 × 10¹³

Factors of 18171275121664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1577165

Divisors of 18171275121664

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1609 1792 3218 3584 6436 7168 11263 12872 22526 25744 45052 51488 90104 102976 180208 205952 360416 411904 720832 823808 1441664 1575547 1647616 2883328 3151094 5766656 6302188 11028829 11533312 12604376 22057658 25208752 44115316 50417504 88230632 100835008 176461264 201670016 352922528 403340032 705845056 806680064 1411690112 1613360128 2535055123 2823380224 5070110246 5646760448 10140220492 11293520896 17745385861 20280440984 35490771722 40560881968 70981543444 81121763936 141963086888 162243527872 283926173776 324487055744 567852347552 648974111488 1135704695104 1297948222976 2271409390208 2595896445952 4542818780416 9085637560832 18171275121664
• Sum of all divisors σ(n): 41539890217280
• Sum of proper divisors (its aliquot sum) s(n): 23368615095616
• 18171275121664 is an abundant number, because the sum of its proper divisors (23368615095616) is greater than itself. Its abundance is 5197339973952

Bases of 18171275121664

• Binary: 100001000011011010100011001100001010000000000₂
• Hexadecimal: 0x1086D4661400
• Base-36: 6FVRO1EKG

Squares and roots of 18171275121664

• 18171275121664 squared (18171275121664²) is 330195239547205018002128896
• 18171275121664 cubed (18171275121664³) is 6000068541676011487767786064873410002944
• The square root of 18171275121664 is 4262777.8644522401
• The cube root of 18171275121664 is 26290.2753454567

Scales and comparisons

• 18,171,275,121,664 seconds is equal to 577,790 years, 17 weeks, 5 days, 6 hours, 41 minutes, 4 seconds.
• To count from 1 to 18,171,275,121,664 would take you about one million, four hundred forty-four thousand, four hundred seventy-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18171275121664 cubic inches would be around 2190.9 feet tall.

Recreational maths with 18171275121664

• 18171275121664 backwards is 46612157217181
• The number of decimal digits it has is: 14
• The sum of 18171275121664's digits is 52
• More coming soon!