18997502040

Names of 18997502040

• Cardinal: 18997502040 can be written as Eighteen billion, nine hundred ninety-seven million, five hundred two thousand and forty.

Scientific notation

• Scientific notation: 1.899750204 × 10¹⁰

Factors of 18997502040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4880

Divisors of 18997502040

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 17 18 20 22 24 30 33 34 36 40 44 45 51 55 59 60 66 68 72 85 88 90 99 102 110 118 120 132 136 153 165 170 177 180 187 198 204 220 236 255 264 295 306 330 340 354 360 374 396 408 440 472 495 510 531 561 590 612 649 660 680 708 748 765 792 885 935 990 1003 1020 1062 1122 1180 1224 1298 1320 1416 1496 1530 1683 1770 1870 1947 1980 2006 2040 2124 2244 2360 2596 2655 2805 3009 3060 3245 3366 3540 3740 3894 3960 4012 4248 4488 4783 5015 5192 5310 5610 5841 6018 6120 6490 6732 7080 7480 7788 8024 8415 9027 9566 9735 10030 10620 11033 11220 11682 12036 12980 13464 14349 15045 15576 16830 18054 19132 19470 20060 21240 22066 22440 23364 23915 24072 25960 28698 29205 30090 33099 33660 36108 38264 38940 40120 43047 44132 45135 46728 47830 52613 55165 57396 58410 60180 66198 67320 71745 72216 77880 81311 86094 88264 90270 95660 99297 105226 110330 114792 116820 120360 132396 143490 157839 162622 165495 172188 180540 191320 198594 210452 215235 220660 233640 243933 263065 264792 282197 286980 315678 325244 330990 344376 361080 397188 406555 420904 430470 441320 473517 487866 496485 526130 564394 573960 631356 650488 661980 731799 789195 794376 813110 846591 860940 894421 947034 975732 992970 1052260 1128788 1219665 1262712 1323960 1410985 1463598 1578390 1626220 1693182 1721880 1788842 1894068 1951464 1985940 2104520 2257576 2367585 2439330 2539773 2683263 2821970 2927196 3104167 3156780 3252440 3386364 3577684 3658995 3788136 3971880 4232955 4472105 4735170 4797349 4878660 5079546 5366526 5643940 5854392 6208334 6313560 6772728 7155368 7317990 8049789 8465910 8944210 9312501 9470340 9594698 9757320 10159092 10733052 11287880 12416668 12698865 13416315 14392047 14635980 15520835 16099578 16931820 17888420 18625002 18940680 19189396 20318184 21466104 23986745 24833336 25397730 26832630 27937503 28784094 29271960 31041670 32199156 33863640 35776840 37250004 38378792 40248945 43176141 46562505 47973490 50795460 52770839 53665260 55875006 57568188 62083340 64398312 71960235 74500008 80497890 86352282 93125010 95946980 101590920 105541678 107330520 111750012 115136376 124166680 139687515 143920470 158312517 160995780 172704564 186250020 191893960 211083356 215880705 223500024 263854195 279375030 287840940 316625034 321991560 345409128 372500040 422166712 431761410 474937551 527708390 558750060 575681880 633250068 791562585 863522820 949875102 1055416780 1117500120 1266500136 1583125170 1727045640 1899750204 2110833560 2374687755 3166250340 3799500408 4749375510 6332500680 9498751020 18997502040
• Sum of all divisors σ(n): 72540748800
• Sum of proper divisors (its aliquot sum) s(n): 53543246760
• 18997502040 is an abundant number, because the sum of its proper divisors (53543246760) is greater than itself. Its abundance is 34545744720

Bases of 18997502040

• Binary: 10001101100010101101110000001011000₂
• Hexadecimal: 0x46C56E058
• Base-36: 8Q6MEE0

Squares and roots of 18997502040

• 18997502040 squared (18997502040²) is 360905083759804161600
• 18997502040 cubed (18997502040³) is 6856295064973250429996489664000
• The square root of 18997502040 is 137831.4261697963
• The cube root of 18997502040 is 2668.2847039375

Scales and comparisons

• 18,997,502,040 seconds is equal to 604 years, 3 weeks, 1 day, 11 hours, 54 minutes.
• To count from 1 to 18,997,502,040 would take you about one thousand, two hundred eight 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 18997502040 cubic inches would be around 222.4 feet tall.

Recreational maths with 18997502040

• 18997502040 backwards is 04020579981
• 18997502040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18997502040's digits is 45
• More coming soon!