18642529873121

Names of 18642529873121

• Cardinal: 18642529873121 can be written as Eighteen trillion, six hundred forty-two billion, five hundred twenty-nine million, eight hundred seventy-three thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.8642529873121 × 10¹³

Factors of 18642529873121

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1924

Divisors of 18642529873121

• Number of divisors d(n): 192
• Complete list of divisors:
  1 7 11 31 37 49 77 79 217 259 341 343 407 539 553 869 961 1147 1519 1759 1813 2387 2449 2849 2923 3773 3871 6083 6727 8029 10571 10633 12313 12617 12691 16709 17143 19349 19943 20461 26939 27097 32153 35557 42581 47089 54529 56203 65083 73997 75919 86191 88319 90613 116963 120001 135443 138961 139601 143227 188573 225071 248899 298067 329623 381703 391127 393421 455581 517979 531433 599819 603337 618233 634291 715913 835109 840007 948101 972727 996743 1002589 1320011 1528571 1575497 1690399 1742293 2017573 2671921 2737889 2809003 3189067 3625853 3720031 4198733 4307791 4327631 4440037 5011391 5141557 5845763 6636707 6809089 6977201 9240077 10699997 11028479 11832793 12196051 14123011 18594389 18703447 19165223 19663021 22193303 22323469 26040217 29391131 30154537 30899033 31080259 35079737 35990899 40920341 47385701 47663623 48840407 56557127 62544763 74899979 82829551 98861077 130160723 133541521 134156561 137641147 155353121 159388267 205737917 211081759 216293231 245558159 251936293 286442387 331699907 341882849 395899889 437813341 524299853 579806857 687992393 692027539 911125061 934790647 963488029 1087471847 1115717869 1468956731 1477572313 1514052617 1753270937 1763554051 2321899349 2771299223 3064693387 4815946751 4941036277 6377875427 6543534529 7612302929 7810025083 10282697117 10598368319 12272896559 16253295443 19399094561 21452853709 33711627257 34587253939 45804741703 54351399047 54670175581 71978879819 85910275913 235981390799 242110777573 380459793329 503852158733 601371931391 1694775443011 2663218553303 18642529873121
• Sum of all divisors σ(n): 25502146560000
• Sum of proper divisors (its aliquot sum) s(n): 6859616686879
• 18642529873121 is a deficient number, because the sum of its proper divisors (6859616686879) is less than itself. Its deficiency is 11782913186242

Bases of 18642529873121

• Binary: 100001111010010001101010111101110110011100001₂
• Hexadecimal: 0x10F48D5EECE1
• Base-36: 6LW9CY7Z5

Squares and roots of 18642529873121

• 18642529873121 squared (18642529873121²) is 347543920070208888358280641
• 18642529873121 cubed (18642529873121³) is 6479097912130446272897864052251440550561
• The square root of 18642529873121 is 4317699.6043172111
• The cube root of 18642529873121 is 26515.6095874733

Scales and comparisons

• 18,642,529,873,121 seconds is equal to 592,774 years, 40 weeks, 5 days, 16 hours, 18 minutes, 41 seconds.
• To count from 1 to 18,642,529,873,121 would take you about one million, four hundred eighty-one thousand, nine hundred thirty-six 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 18642529873121 cubic inches would be around 2209.6 feet tall.

Recreational maths with 18642529873121

• 18642529873121 backwards is 12137892524681
• The number of decimal digits it has is: 14
• The sum of 18642529873121's digits is 59
• More coming soon!