18013987943523

Names of 18013987943523

• Cardinal: 18013987943523 can be written as Eighteen trillion, thirteen billion, nine hundred eighty-seven million, nine hundred forty-three thousand, five hundred twenty-three.

Scientific notation

• Scientific notation: 1.8013987943523 × 10¹³

Factors of 18013987943523

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 255230

Divisors of 18013987943523

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 9 11 13 17 27 33 39 51 81 99 117 143 153 187 221 297 351 359 429 459 561 663 891 1053 1077 1287 1377 1683 1989 2431 3231 3861 3949 4667 5049 5967 6103 7293 9693 11583 11847 14001 15147 17901 18309 21879 29079 35541 42003 51337 54927 65637 67133 79339 106623 126009 154011 164781 196911 201399 238017 254827 319869 378027 462033 494343 604197 714051 764481 872729 1386099 1812591 2142153 2293443 2618187 2803097 3312751 4158297 4332059 5437773 6426459 6880329 7854561 8409291 9938253 12996177 20640987 23563683 25227873 29814759 36440261 38988531 47652649 56316767 70691049 75683619 89444277 91482893 109320783 116965593 142957947 168950301 227050857 268332831 274448679 327962349 350896779 428873841 506850903 619484437 823346037 983887047 1006311823 1189277609 1286621523 1520552709 1555209181 1858453311 2470038111 2951661141 3018935469 3567832827 3859864569 4561658127 4665627543 5575359933 7410114333 9056806407 10703498481 13082053699 13996882629 16726079799 17107300991 20217719353 27170419221 32110495443 39246161097 41990647887 50178239397 51321902973 60653158059 81511257663 96331486329 117738483291 125971943661 153965708919 181959474177 222394912883 353215449873 461897126757 545878422531 667184738649 1059646349619 1385691380271 1637635267593 2001554215947 6004662647841 18013987943523
• Sum of all divisors σ(n): 33567330424320
• Sum of proper divisors (its aliquot sum) s(n): 15553342480797
• 18013987943523 is a deficient number, because the sum of its proper divisors (15553342480797) is less than itself. Its deficiency is 2460645462726

Bases of 18013987943523

• Binary: 100000110001000110101010110100011010001100011₂
• Hexadecimal: 0x1062355A3463
• Base-36: 6DVIFBB6R

Squares and roots of 18013987943523

• 18013987943523 squared (18013987943523²) is 324503761629392002637651529
• 18013987943523 cubed (18013987943523³) is 5845606849619729037267450858621006596667
• The square root of 18013987943523 is 4244288.8619323497
• The cube root of 18013987943523 is 26214.2008477861

Scales and comparisons

• 18,013,987,943,523 seconds is equal to 572,789 years, 4 weeks, 6 days, 19 hours, 52 minutes, 3 seconds.
• To count from 1 to 18,013,987,943,523 would take you about one million, four hundred thirty-one thousand, nine hundred seventy-two 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 18013987943523 cubic inches would be around 2184.5 feet tall.

Recreational maths with 18013987943523

• 18013987943523 backwards is 32534978931081
• The number of decimal digits it has is: 14
• The sum of 18013987943523's digits is 63
• More coming soon!