18509017115442

Names of 18509017115442

• Cardinal: 18509017115442 can be written as Eighteen trillion, five hundred nine billion, seventeen million, one hundred fifteen thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.8509017115442 × 10¹³

Factors of 18509017115442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 247315

Divisors of 18509017115442

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 29 42 58 87 174 203 406 609 1218 114157 133117 228314 266234 342471 399351 684942 798702 799099 931819 1598198 1863638 2397297 2795457 3310553 3860393 4794594 5590914 6621106 7720786 9931659 11581179 19863318 23162358 23173871 27022751 46347742 54045502 69521613 81068253 139043226 162136506 15196237369 30392474738 45588712107 91177424214 106373661583 212747323166 319120984749 440690883701 638241969498 881381767402 1322072651103 2644145302206 3084836185907 6169672371814 9254508557721 18509017115442
• Sum of all divisors σ(n): 43765875774720
• Sum of proper divisors (its aliquot sum) s(n): 25256858659278
• 18509017115442 is an abundant number, because the sum of its proper divisors (25256858659278) is greater than itself. Its abundance is 6747841543836

Bases of 18509017115442

• Binary: 100001101010101110111011000111110101100110010₂
• Hexadecimal: 0x10D57763EB32
• Base-36: 6K6XAWGTU

Squares and roots of 18509017115442

• 18509017115442 squared (18509017115442²) is 342583714579724894354855364
• 18509017115442 cubed (18509017115442³) is 6340887836627825103449823218930400930888
• The square root of 18509017115442 is 4302210.7242023839
• The cube root of 18509017115442 is 26452.1586642293

Scales and comparisons

• 18,509,017,115,442 seconds is equal to 588,529 years, 25 weeks, 4 days, 3 hours, 10 minutes, 42 seconds.
• To count from 1 to 18,509,017,115,442 would take you about one million, four hundred seventy-one thousand, three hundred twenty-three 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 18509017115442 cubic inches would be around 2204.3 feet tall.

Recreational maths with 18509017115442

• 18509017115442 backwards is 24451171090581
• The number of decimal digits it has is: 14
• The sum of 18509017115442's digits is 48
• More coming soon!