3998814661849417920

Names of 3998814661849417920

• Cardinal: 3998814661849417920 can be written as Three quintillion, nine hundred ninety-eight quadrillion, eight hundred fourteen trillion, six hundred sixty-one billion, eight hundred forty-nine million, four hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.99881466184941792 × 10¹⁸

Factors of 3998814661849417920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 37526413868754

Divisors of 3998814661849417920

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 37 40 45 48 60 64 72 74 80 90 96 111 120 144 148 160 180 185 192 222 240 288 296 320 333 360 370 444 480 555 576 592 666 720 740 888 960 1110 1184 1332 1440 1480 1665 1776 2220 2368 2664 2880 2960 3330 3552 4440 5328 5920 6660 7104 8880 10656 11840 13320 17760 21312 26640 35520 53280 106560 37526413868707 75052827737414 112579241606121 150105655474828 187632069343535 225158483212242 300211310949656 337737724818363 375264138687070 450316966424484 562896208030605 600422621899312 675475449636726 750528277374140 900633932848968 1125792416061210 1200845243798624 1350950899273452 1388477313142159 1501056554748280 1688688624091815 1801267865697936 2251584832122420 2401690487597248 2701901798546904 2776954626284318 3002113109496560 3377377248183630 3602535731395872 4165431939426477 4503169664244840 5403803597093808 5553909252568636 6004226218993120 6754754496367260 6942386565710795 7205071462791744 8330863878852954 9006339328489680 10807607194187616 11107818505137272 12008452437986240 12496295818279431 13509508992734520 13884773131421590 16661727757705908 18012678656979360 20827159697132385 21615214388375232 22215637010274544 24992591636558862 27019017985469040 27769546262843180 33323455515411816 36025357313958720 41654319394264770 44431274020549088 49985183273117724 54038035970938080 55539092525686360 62481479091397155 66646911030823632 83308638788529540 88862548041098176 99970366546235448 108076071941876160 111078185051372720 124962958182794310 133293822061647264 166617277577059080 199940733092470896 222156370102745440 249925916365588620 266587644123294528 333234555154118160 399881466184941792 444312740205490880 499851832731177240 666469110308236320 799762932369883584 999703665462354480 1332938220616472640 1999407330924708960 3998814661849417920
• Sum of all divisors σ(n): 14125992919770015024
• Sum of proper divisors (its aliquot sum) s(n): 10127178257920597104
• 3998814661849417920 is an abundant number, because the sum of its proper divisors (10127178257920597104) is greater than itself. Its abundance is 6128363596071179184

Bases of 3998814661849417920

• Binary: 11011101111110101001001011111110010010001010001000100011000000₂
• Hexadecimal: 0x377EA4BF922888C0
• Base-36: UDPXHR5U6CW0

Squares and roots of 3998814661849417920

• 3998814661849417920 squared (3998814661849417920²) is 15990518699821874585345761042817126400
• 3998814661849417920 cubed (3998814661849417920³) is 63943120627425003314107726093005032616016904847065088000
• The square root of 3998814661849417920 is 1999703643.5055615311
• The cube root of 3998814661849417920 is 1587244.2358915751

Scales and comparisons

• 3,998,814,661,849,417,920 seconds is equal to 127,149,937,100 years, 48 weeks, 2 days, 15 hours, 12 minutes.
• To count from 1 to 3,998,814,661,849,417,920 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 3998814661849417920 cubic inches would be around 132270.4 feet tall.

Recreational maths with 3998814661849417920

• 3998814661849417920 backwards is 0297149481664188993
• The number of decimal digits it has is: 19
• The sum of 3998814661849417920's digits is 99
• More coming soon!