18169849815788986

Names of 18169849815788986

• Cardinal: 18169849815788986 can be written as Eighteen quadrillion, one hundred sixty-nine trillion, eight hundred forty-nine billion, eight hundred fifteen million, seven hundred eighty-eight thousand, nine hundred eighty-six.

Scientific notation

• Scientific notation: 1.8169849815788986 × 10¹⁶

Factors of 18169849815788986

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 809

Divisors of 18169849815788986

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 7 14 29 49 58 67 73 98 134 146 203 343 406 469 511 631 686 938 1022 1262 1421 1943 2117 2401 2842 3283 3577 3886 4234 4417 4489 4802 4891 6566 7154 8834 8978 9782 9947 13601 14819 18299 19894 22981 25039 27202 29638 30919 31423 34237 36598 42277 45962 46063 50078 61838 62846 68474 69629 84554 92126 95207 103733 128093 130181 139258 141839 160867 175273 190414 207466 216433 219961 239659 256186 260362 283678 295939 321734 322441 327697 350546 398161 432866 439922 479318 591878 644882 655394 666449 726131 796322 896651 911267 992873 1226033 1332898 1335827 1452262 1515031 1539727 1677613 1793302 1822534 1985746 2071573 2257087 2293879 2452066 2671654 2787127 2832559 3030062 3079454 3086221 3355226 4143146 4514174 4587758 4665143 5082917 5574254 5665118 6172442 6276557 6378869 6950111 8582231 9330286 9350789 9503213 10165834 10778089 11546669 11743291 12553114 12757738 13900222 14501011 15799609 16057153 17164462 18701578 19006426 19509889 19827913 21556178 21603547 23093338 23486582 26676787 29002022 29065753 31599218 32114306 39019778 39655826 43207094 43935899 44652083 48650777 53353574 58131506 60075617 65455523 66522491 80826683 82144211 87871798 89304166 89500409 97301554 101507077 110597263 112400071 120151234 130911046 133044982 136569223 138795391 151224829 161653366 164288422 179000818 186737509 203014154 203460271 206776807 221194526 224800142 273138446 277590782 302449658 312564581 340555439 373475018 406920542 413553614 420529319 458188661 465657437 565786781 575009477 625129162 626502863 681110878 773626823 786800497 841058638 842906837 916377322 931314874 955984561 971567737 1058573803 1131573562 1150018954 1253005726 1307162563 1424221897 1447437649 1547253646 1573600994 1685813674 1787344729 1911969122 1943135474 1947405451 2117147606 2614325126 2848443794 2894875298 2943705233 3207320627 3259602059 3574689458 3894810902 3960507467 4025066339 4385520041 5415387761 5887410466 5900347859 5996527403 6414641254 6519204118 6800974159 7410016621 7921014934 8050132678 8771040082 9150137941 9969553279 10132063543 10830775522 11800695718 11993054806 12511413103 13601948318 13631838157 14820033242 18300275882 19939106558 20264127086 22817214413 25022826206 27263676314 27723552269 28175464373 30698640287 37907714327 41302435013 41975691821 45634428826 51832997141 55447104538 56350928746 56474758079 61397280574 64050965587 69786872953 70924444801 75815428654 82604870026 83951383642 87579891721 95422867099 103665994282 112949516158 128101931174 130476165217 139573745906 141848889602 175159783442 190845734198 197228250611 214890482009 260952330434 265354000289 289117045091 293829842747 362830979987 394456501222 395323306553 429780964018 496471113607 530708000578 578234090182 587659685494 613059242047 667960069693 725661959974 790646613106 913333156519 992942227214 1226118484094 1335920139386 1826666313038 1857478002023 2023819315637 2056808899229 2539816859909 2767263145871 3714956004046 3783808791293 4047638631274 4113617798458 4291414694329 4675720487851 5079633719818 5534526291742 6393332095633 7567617582586 8582829388658 9351440975702 12786664191266 14397662294603 17778718019363 19370842021097 26486661539051 28795324589206 35557436038726 38741684042194 44753324669431 52973323078102 89506649338862 124451026135541 135595894147679 185406630773357 248902052271082 271191788295358 313273272686017 370813261546714 626546545372034 1297846415413499 2595692830826998 9084924907894493 18169849815788986
• Sum of all divisors σ(n): 33901108040256660
• Sum of proper divisors (its aliquot sum) s(n): 15731258224467674
• 18169849815788986 is a deficient number, because the sum of its proper divisors (15731258224467674) is less than itself. Its deficiency is 2438591591321312

Bases of 18169849815788986

• Binary: 1000000100011010110000111010011111001000110110110111010₂
• Hexadecimal: 0x408D61D3E46DBA
• Base-36: 4YWO9RSP86Y

Squares and roots of 18169849815788986

• 18169849815788986 squared (18169849815788986²) is 330143442328327048477897678908196
• 18169849815788986 cubed (18169849815788986³) is 5998656764773294945034482617369397070674801929256
• The square root of 18169849815788986 is 134795585.2978464053
• The cube root of 18169849815788986 is 262895.8794802275

Scales and comparisons

• 18,169,849,815,788,986 seconds is equal to 577,745,021 years, 5 weeks, 3 days, 17 hours, 49 minutes, 46 seconds.
• To count from 1 to 18,169,849,815,788,986 would take you about one billion, seven hundred thirty-three million, two hundred thirty-five thousand and sixty-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 18169849815788986 cubic inches would be around 21908 feet tall.

Recreational maths with 18169849815788986

• 18169849815788986 backwards is 68988751894896181
• The number of decimal digits it has is: 17
• The sum of 18169849815788986's digits is 106
• More coming soon!