18216774586890

Names of 18216774586890

• Cardinal: 18216774586890 can be written as Eighteen trillion, two hundred sixteen billion, seven hundred seventy-four million, five hundred eighty-six thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.821677458689 × 10¹³

Factors of 18216774586890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 110631

Divisors of 18216774586890

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 41 45 54 55 66 81 82 90 99 110 121 123 135 162 165 198 205 242 246 270 297 330 363 369 405 410 451 495 594 605 615 726 738 810 891 902 990 1089 1107 1210 1230 1353 1485 1681 1782 1815 1845 2178 2214 2255 2706 2970 3267 3321 3362 3630 3690 4059 4455 4510 4961 5043 5445 5535 6534 6642 6765 8118 8405 8910 9801 9922 10086 10890 11070 12177 13530 14883 15129 16335 16605 16810 18491 19602 20295 24354 24805 25215 29766 30258 32670 33210 36531 36982 40590 44649 45387 49005 49610 50430 55473 60885 73062 74415 75645 89298 90774 92455 98010 110569 110946 121770 133947 136161 148830 151290 166419 182655 184910 203401 221138 223245 226935 267894 272322 277365 331707 332838 365310 401841 406802 446490 453870 499257 552845 554730 610203 663414 669735 680805 803682 832095 995121 998514 1017005 1105690 1216259 1220406 1339470 1361610 1497771 1658535 1664190 1830609 1990242 2009205 2034010 2432518 2496285 2985363 2995542 3051015 3317070 3648777 3661218 4018410 4533329 4975605 4992570 5491827 5970726 6081295 6102030 7297554 7488855 8956089 9066658 9153045 9951210 10946331 10983654 12162590 13378849 13599987 14926815 14977710 16475481 17912178 18243885 18306090 21892662 22666645 26757698 27199974 27459135 29853630 32838993 32950962 36487770 40136547 40799961 44780445 45333290 49866619 54731655 54918270 65677986 66894245 67999935 80273094 81599922 82377405 89560890 98516979 99733238 109463310 120409641 122399883 133788490 135999870 149599857 164194965 164754810 185866489 197033958 200682735 203999805 240819282 244799766 249333095 299199714 328389930 361228923 367199649 371732978 401365470 407999610 448799571 492584895 498666190 548532809 557599467 602048205 611999415 722457846 734399298 747999285 897599142 929332445 985169790 1083686769 1097065618 1115198934 1204096410 1223998830 1346398713 1495998570 1645598427 1672798401 1806144615 1835998245 1858664890 2044531379 2167373538 2243997855 2692797426 2742664045 2787997335 3291196854 3345596802 3612289230 3671996490 4039196139 4089062758 4487995710 4936795281 5018395203 5418433845 5485328090 5575994670 6133594137 6731993565 8078392278 8227992135 8363992005 9873590562 10036790406 10222656895 10836867690 12267188274 13463987130 14810385843 15055185609 16455984270 16727984010 18400782411 20195980695 20445313790 22489845169 24683976405 25091976015 29620771686 30110371218 30667970685 36801564822 40391961390 44431157529 44979690338 49367952810 50183952030 55202347233 61335941370 67469535507 74051929215 75275928045 88862315058 92003912055 110404694466 112449225845 134939071014 148103858430 150551856090 165607041699 184007824110 202408606521 222155787645 224898451690 276011736165 331214083398 337347677535 404817213042 444311575290 552023472330 607225819563 674695355070 828035208495 1012043032605 1214451639126 1656070416990 1821677458689 2024086065210 3036129097815 3643354917378 6072258195630 9108387293445 18216774586890
• Sum of all divisors σ(n): 55186404952140
• Sum of proper divisors (its aliquot sum) s(n): 36969630365250
• 18216774586890 is an abundant number, because the sum of its proper divisors (36969630365250) is greater than itself. Its abundance is 18752855778360

Bases of 18216774586890

• Binary: 100001001000101101100011000001101001000001010₂
• Hexadecimal: 0x10916C60D20A
• Base-36: 6GGO58UMI

Squares and roots of 18216774586890

• 18216774586890 squared (18216774586890²) is 331850876349561330159872100
• 18216774586890 cubed (18216774586890³) is 6045252610921864571455822972132736769000
• The square root of 18216774586890 is 4268111.3606477045
• The cube root of 18216774586890 is 26312.1999940289

Scales and comparisons

• 18,216,774,586,890 seconds is equal to 579,237 years, 4 weeks, 2 days, 11 hours, 1 minute, 30 seconds.
• To count from 1 to 18,216,774,586,890 would take you about one million, four hundred forty-eight thousand and ninety-two 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 18216774586890 cubic inches would be around 2192.7 feet tall.

Recreational maths with 18216774586890

• 18216774586890 backwards is 09868547761281
• The number of decimal digits it has is: 14
• The sum of 18216774586890's digits is 72
• More coming soon!