18715915991412

Names of 18715915991412

• Cardinal: 18715915991412 can be written as Eighteen trillion, seven hundred fifteen billion, nine hundred fifteen million, nine hundred ninety-one thousand, four hundred twelve.

Scientific notation

• Scientific notation: 1.8715915991412 × 10¹³

Factors of 18715915991412

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2529280

Divisors of 18715915991412

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 53 54 81 106 108 159 162 212 318 324 431 477 636 862 954 1293 1431 1724 1908 2586 2862 3879 4293 5172 5724 7758 8586 11637 15516 17172 22843 23274 34911 45686 46548 68529 69822 91372 137058 139644 205587 274116 411174 616761 822348 1233522 1850283 2467044 2528791 3700566 5057582 7401132 7586373 10115164 15172746 22759119 30345492 45518238 68277357 91036476 134025923 136554714 204832071 268051846 273109428 402077769 409664142 536103692 804155538 819328284 1089908921 1206233307 1608311076 2179817842 2412466614 3269726763 3618699921 4359635684 4824933228 6539453526 7237399842 9809180289 10856099763 13078907052 14474799684 19618360578 21712199526 29427540867 39236721156 43424399052 57765172813 58855081734 88282622601 115530345626 117710163468 173295518439 176565245202 231060691252 346591036878 353130490404 519886555317 693182073756 1039773110634 1559659665951 2079546221268 3119319331902 4678978997853 6238638663804 9357957995706 18715915991412
• Sum of all divisors σ(n): 49965935830272
• Sum of proper divisors (its aliquot sum) s(n): 31250019838860
• 18715915991412 is an abundant number, because the sum of its proper divisors (31250019838860) is greater than itself. Its abundance is 12534103847448

Bases of 18715915991412

• Binary: 100010000010110100011100001100011100101110100₂
• Hexadecimal: 0x1105A3863974
• Base-36: 6MTZ15F90

Squares and roots of 18715915991412

• 18715915991412 squared (18715915991412²) is 350285511397591426857753744
• 18715915991412 cubed (18715915991412³) is 6555914204326111775507347847535114846528
• The square root of 18715915991412 is 4326189.5464036247
• The cube root of 18715915991412 is 26550.3568371843

Scales and comparisons

• 18,715,915,991,412 seconds is equal to 595,108 years, 12 weeks, 2 days, 1 hour, 10 minutes, 12 seconds.
• To count from 1 to 18,715,915,991,412 would take you about one million, four hundred eighty-seven thousand, seven hundred seventy 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 18715915991412 cubic inches would be around 2212.5 feet tall.

Recreational maths with 18715915991412

• 18715915991412 backwards is 21419951951781
• The number of decimal digits it has is: 14
• The sum of 18715915991412's digits is 63
• More coming soon!