13818781591875

Names of 13818781591875

• Cardinal: 13818781591875 can be written as Thirteen trillion, eight hundred eighteen billion, seven hundred eighty-one million, five hundred ninety-one thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 1.3818781591875 × 10¹³

Factors of 13818781591875

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 875

Divisors of 13818781591875

• Number of divisors d(n): 300
• Complete list of divisors:
  1 3 5 9 13 15 25 27 31 39 45 65 75 81 93 117 125 135 155 195 225 279 325 351 375 403 405 465 585 625 675 775 823 837 975 1053 1125 1209 1395 1625 1755 1875 2015 2025 2325 2469 2511 2925 3375 3627 3875 4115 4185 4875 5265 5625 6045 6975 7407 8125 8775 10075 10125 10699 10881 11625 12345 12555 14625 16875 18135 19375 20575 20925 22221 24375 25513 26325 30225 32097 32643 34875 37035 43875 50375 50625 53495 54405 58125 61725 62775 66663 73125 76539 90675 96291 102875 104625 111105 127565 131625 151125 160485 163215 174375 185175 219375 229617 251875 267475 272025 288873 308625 313875 331669 333315 382695 453375 481455 514375 523125 555525 637825 658125 677329 688851 755625 802425 816075 866619 925875 995007 1148085 1337375 1360125 1444365 1543125 1569375 1658345 1666575 1913475 2031987 2066553 2266875 2407275 2777625 2985021 3189125 3386645 3444255 4012125 4080375 4333095 4629375 4975035 5740425 6095961 6686875 6800625 7221825 8291725 8332875 8805277 8955063 9567375 10159935 10332765 12036375 13888125 14925105 15945625 16933225 17221275 18287883 20060625 20401875 20997199 21665475 24875175 26415831 26865189 28702125 30479805 36109125 41458625 41664375 44026385 44775315 47836875 50799675 51663825 54863649 60181875 62991597 74625525 79247493 84666125 86106375 91439415 104985995 108327375 124375875 132079155 134325945 143510625 152399025 180545625 188974791 207293125 220131925 223876575 237742479 253998375 258319125 272963587 274318245 314957985 373127625 396237465 423330625 430531875 457197075 524929975 541636875 566924373 621879375 660395775 671629725 713227437 761995125 818890761 944873955 1100659625 1119382875 1188712395 1269991875 1291595625 1364817935 1371591225 1574789925 1700773119 1865638125 1981187325 2285985375 2456672283 2624649875 2834621865 3301978875 3358148625 3566137185 3809975625 4094453805 4724369775 5503298125 5596914375 5943561975 6824089675 6857956125 7370016849 7873949625 8503865595 9905936625 11429926875 12283361415 13123249375 14173109325 16509894375 16790743125 17830685925 20472269025 22110050547 23621848875 29717809875 34120448375 34289780625 36850084245 39369748125 42519327975 49529683125 61416807075 70865546625 89153429625 102361345125 110550252735 118109244375 148589049375 170602241875 184250421225 212596639875 307084035375 354327733125 445767148125 511806725625 552751263675 921252106125 1062983199375 1535420176875 2763756318375 4606260530625 13818781591875
• Sum of all divisors σ(n): 28710589220544
• Sum of proper divisors (its aliquot sum) s(n): 14891807628669
• 13818781591875 is an abundant number, because the sum of its proper divisors (14891807628669) is greater than itself. Its abundance is 1073026036794

Bases of 13818781591875

• Binary: 11001001000101101111100100010110100101000011₂
• Hexadecimal: 0xC916F916943
• Base-36: 4WC9DRP6R

Squares and roots of 13818781591875

• 13818781591875 squared (13818781591875²) is 190958724683943359066015625
• 13818781591875 cubed (13818781591875³) is 2638816909470402667646610111651123046875
• The square root of 13818781591875 is 3717362.1819611551
• The cube root of 13818781591875 is 23996.9797078163

Scales and comparisons

• 13,818,781,591,875 seconds is equal to 439,394 years, 26 weeks, 3 days, 18 hours, 11 minutes, 15 seconds.
• To count from 1 to 13,818,781,591,875 would take you about one million, ninety-eight thousand, four hundred eighty-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 13818781591875 cubic inches would be around 1999.7 feet tall.

Recreational maths with 13818781591875

• 13818781591875 backwards is 57819518781831
• The number of decimal digits it has is: 14
• The sum of 13818781591875's digits is 72
• More coming soon!