18642996727992

Names of 18642996727992

• Cardinal: 18642996727992 can be written as Eighteen trillion, six hundred forty-two billion, nine hundred ninety-six million, seven hundred twenty-seven thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8642996727992 × 10¹³

Factors of 18642996727992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 551969

Divisors of 18642996727992

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 52 54 56 63 72 78 81 84 91 104 108 117 126 156 162 168 182 189 191 216 234 243 252 273 312 324 351 364 378 382 468 486 504 546 567 573 648 702 728 756 764 819 936 972 1053 1092 1134 1146 1337 1404 1512 1528 1638 1701 1719 1944 2106 2184 2268 2292 2457 2483 2674 2808 3159 3276 3402 3438 4011 4212 4536 4584 4914 4966 5157 5348 6318 6552 6804 6876 7371 7449 8022 8424 9828 9932 10314 10696 12033 12636 13608 13752 14742 14898 15471 16044 17381 19656 19864 20628 22113 22347 24066 25272 29484 29796 30942 32088 34762 36099 41256 44226 44694 46413 48132 52143 58968 59592 61884 67041 69524 72198 88452 89388 92826 96264 104286 108297 123768 134082 139048 144396 156429 176904 178776 185652 201123 208572 216594 268164 288792 312858 324891 371304 402246 417144 433188 469287 536328 551753 603369 625716 649782 804492 866376 938574 1103506 1206738 1251432 1299564 1407861 1608984 1655259 1877148 2207012 2413476 2599128 2815722 3310518 3754296 3862271 4223583 4414024 4826952 4965777 5631444 6621036 7172789 7724542 8447166 9931554 11262888 11586813 13242072 14345578 14897331 15449084 16894332 19863108 21518367 23173626 28691156 29794662 30898168 33788664 34760439 39726216 43036734 44691993 46347252 50209523 57382312 59589324 64555101 69520878 86073468 89383986 92694504 100419046 104281317 105384823 119178648 129110202 134075979 139041756 150628569 172146936 178767972 193665303 200838092 208562634 210769646 258220404 268151958 278083512 301257138 312843951 316154469 357535944 387330606 401676184 417125268 421539292 451885707 516440808 536303916 580995909 602514276 625687902 632308938 737693761 774661212 834250536 843078584 903771414 938531853 948463407 1072607832 1161991818 1205028552 1251375804 1264617876 1355657121 1370002699 1475387522 1549322424 1742987727 1807542828 1877063706 1896926814 2213081283 2323983636 2502751608 2529235752 2711314242 2740005398 2845390221 2950775044 3485975454 3615085656 3754127412 3793853628 4066971363 4110008097 4426162566 4647967272 5422628484 5480010796 5690780442 5901550088 6639243849 6971950908 7508254824 7587707256 8133942726 8220016194 8536170663 8852325132 9590018893 10845256968 10960021592 11381560884 12200914089 12330024291 13278487698 13943901816 16267885452 16440032388 17072341326 17704650264 19180037786 19917731547 22763121768 24401828178 24660048582 25608511989 26556975396 28770056679 32535770904 32880064776 34144682652 36990072873 38360075572 39835463094 48803656356 49320097164 51217023978 53113950792 57540113358 59753194641 68289365304 73980145746 76720151144 79670926188 86310170037 97607312712 98640194328 102434047956 110970218619 115080226716 119506389282 147960291492 159341852376 172620340074 179259583923 204868095912 221940437238 230160453432 239012778564 258930510111 295920582984 332910655857 345240680148 358519167846 443880874476 478025557128 517861020222 665821311714 690481360296 717038335692 776791530333 887761748952 1035722040444 1331642623428 1434076671384 1553583060666 2071444080888 2330374590999 2663285246856 3107166121332 4660749181998 6214332242664 9321498363996 18642996727992
• Sum of all divisors σ(n): 64782452367360
• Sum of proper divisors (its aliquot sum) s(n): 46139455639368
• 18642996727992 is an abundant number, because the sum of its proper divisors (46139455639368) is greater than itself. Its abundance is 27496458911376

Bases of 18642996727992

• Binary: 100001111010010101001001100101001000010111000₂
• Hexadecimal: 0x10F4A93290B8
• Base-36: 6LWH2WJI0

Squares and roots of 18642996727992

• 18642996727992 squared (18642996727992²) is 347561326999920418036352064
• 18642996727992 cubed (18642996727992³) is 6479584682036073919096104350863755775488
• The square root of 18642996727992 is 4317753.6668957853
• The cube root of 18642996727992 is 26515.8309243529

Scales and comparisons

• 18,642,996,727,992 seconds is equal to 592,789 years, 32 weeks, 5 days, 2 hours, 13 minutes, 12 seconds.
• To count from 1 to 18,642,996,727,992 would take you about one million, four hundred eighty-one thousand, nine hundred seventy-four 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 18642996727992 cubic inches would be around 2209.7 feet tall.

Recreational maths with 18642996727992

• 18642996727992 backwards is 29972769924681
• 18642996727992 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18642996727992's digits is 81
• More coming soon!