18988639522928432

Names of 18988639522928432

• Cardinal: 18988639522928432 can be written as Eighteen quadrillion, nine hundred eighty-eight trillion, six hundred thirty-nine billion, five hundred twenty-two million, nine hundred twenty-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8988639522928432 × 10¹⁶

Factors of 18988639522928432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1223284

Divisors of 18988639522928432

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 49 53 56 76 98 106 112 133 152 196 212 266 304 343 371 392 424 532 686 742 784 848 931 1007 1064 1372 1484 1862 2014 2128 2597 2744 2809 2968 3724 4028 5194 5488 5618 5936 6517 7049 7448 8056 10388 11236 13034 14098 14896 16112 18179 19663 20776 22472 26068 28196 36358 39326 41552 44944 49343 52136 53371 56392 72716 78652 98686 104272 106742 112784 137641 145432 148877 157304 197372 213484 275282 290864 297754 314608 345401 373597 394744 426968 550564 595508 690802 747194 789488 853936 963487 1042139 1101128 1191016 1223203 1381604 1494388 1926974 2084278 2202256 2382032 2446406 2615179 2763208 2828663 2988776 3853948 4168556 4892812 5230358 5526416 5657326 5977552 7294973 7707896 8337112 8562421 9785624 10460716 11314652 14589946 15415792 16674224 17124842 18306253 19571248 19800641 20921432 22629304 23240857 29179892 34249684 36612506 39601282 41842864 45258608 46481714 51064811 58359784 59936947 64829759 68499368 73225012 79202564 92963428 102129622 116719568 119873894 129659518 136998736 138604487 146450024 158405128 162685999 185926856 204259244 239747788 259319036 277208974 292900048 316810256 325371998 371853712 408518488 419558629 453808313 479495576 518638072 554417948 650743996 817036976 839117258 907616626 958991152 970231409 1037276144 1108835896 1138801993 1231765421 1301487992 1678234516 1815233252 1940462818 2217671792 2277603986 2463530842 2602975984 3176658191 3356469032 3435977227 3630466504 3880925636 4555207972 4927061684 6353316382 6712938064 6871954454 7260933008 7761851272 7971613951 8622357947 9110415944 9854123368 12706632764 13743908908 15523702544 15943227902 17244715894 18220831888 19708246736 22236607337 24051840589 25413265528 27487817816 31886455804 34489431788 44473214674 48103681178 50826531056 54975635632 60356505629 63772911608 65283567313 68978863576 88946429348 96207362356 120713011258 127545823216 130567134626 137957727152 168362884123 177892858696 182106793031 192414724712 241426022516 261134269252 336725768246 355785717392 364213586062 384829449424 422495539403 456984971191 482852045032 522268538504 673451536492 728427172124 844991078806 913969942382 965704090064 1044537077008 1178540188861 1274747551217 1346903072984 1456854344248 1689982157612 1827939884764 2357080377722 2549495102434 2693806145968 2913708688496 3198894798337 3379964315224 3460029067589 3655879769528 4714160755444 5098990204868 6397789596674 6759928630448 6920058135178 7311759539056 8923232858519 9428321510888 10197980409736 12795579193348 13840116270356 17846465717038 18856643021776 20395960819472 22392263588359 24220203473123 25591158386696 27680232540712 35692931434076 44784527176718 48440406946246 51182316773392 55360465081424 62462630009633 71385862868152 89569054353436 96880813892492 124925260019266 142771725736304 169541424311861 179138108706872 193761627784984 249850520038532 339082848623722 358276217413744 387523255569968 499701040077064 678165697247444 999402080154128 1186789970183027 1356331394494888 2373579940366054 2712662788989776 4747159880732108 9494319761464216 18988639522928432
• Sum of all divisors σ(n): 46031025790080000
• Sum of proper divisors (its aliquot sum) s(n): 27042386267151568
• 18988639522928432 is an abundant number, because the sum of its proper divisors (27042386267151568) is greater than itself. Its abundance is 8053746744223136

Bases of 18988639522928432

• Binary: 1000011011101100001000100101001100010000011011100110000₂
• Hexadecimal: 0x43761129883730
• Base-36: 56YWSKJT2Y8

Squares and roots of 18988639522928432

• 18988639522928432 squared (18988639522928432²) is 360568430931719709622240993978624
• 18988639522928432 cubed (18988639522928432³) is 6846703958310343431026047421915060160099289837568
• The square root of 18988639522928432 is 137799272.5776461855
• The cube root of 18988639522928432 is 266786.9712588619

Scales and comparisons

• 18,988,639,522,928,432 seconds is equal to 603,780,001 years, 5 weeks, 5 days, 6 hours, 20 minutes, 32 seconds.
• To count from 1 to 18,988,639,522,928,432 would take you about one billion, eight hundred eleven million, three hundred forty thousand and 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 18988639522928432 cubic inches would be around 22232.2 feet tall.

Recreational maths with 18988639522928432

• 18988639522928432 backwards is 23482922593688981
• The number of decimal digits it has is: 17
• The sum of 18988639522928432's digits is 89
• More coming soon!