18733212149361920

Names of 18733212149361920

• Cardinal: 18733212149361920 can be written as Eighteen quadrillion, seven hundred thirty-three trillion, two hundred twelve billion, one hundred forty-nine million, three hundred sixty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.873321214936192 × 10¹⁶

Factors of 18733212149361920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 31205377462

Divisors of 18733212149361920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 67 70 80 112 128 134 140 160 224 256 268 280 320 335 448 469 536 560 640 670 896 938 1072 1120 1280 1340 1792 1876 2144 2240 2345 2680 3752 4288 4480 4690 5360 7504 8576 8960 9380 10720 15008 17152 18760 21440 30016 37520 42880 60032 75040 85760 120064 150080 300160 600320 31205377381 62410754762 124821509524 156026886905 218437641667 249643019048 312053773810 436875283334 499286038096 624107547620 873750566668 998572076192 1092188208335 1248215095240 1747501133336 1997144152384 2090760284527 2184376416670 2496430190480 3495002266672 3994288304768 4181520569054 4368752833340 4992860380960 6990004533344 7988576609536 8363041138108 8737505666680 9985720761920 10453801422635 13980009066688 14635321991689 16726082276216 17475011333360 19971441523840 20907602845270 27960018133376 29270643983378 33452164552432 34950022666720 39942883047680 41815205690540 55920036266752 58541287966756 66904329104864 69900045333440 73176609958445 83630411381080 117082575933512 133808658209728 139800090666880 146353219916890 167260822762160 234165151867024 267617316419456 279600181333760 292706439833780 334521645524320 468330303734048 535234632838912 585412879667560 669043291048640 936660607468096 1170825759335120 1338086582097280 1873321214936192 2341651518670240 2676173164194560 3746642429872384 4683303037340480 9366606074680960 18733212149361920
• Sum of all divisors σ(n): 52047573756947328
• Sum of proper divisors (its aliquot sum) s(n): 33314361607585408
• 18733212149361920 is an abundant number, because the sum of its proper divisors (33314361607585408) is greater than itself. Its abundance is 14581149458223488

Bases of 18733212149361920

• Binary: 1000010100011011100000111010111101010100010110100000000₂
• Hexadecimal: 0x428DC1D7AA2D00
• Base-36: 54GDAUSIXA8

Squares and roots of 18733212149361920

• 18733212149361920 squared (18733212149361920²) is 350933237433001046483063146086400
• 18733212149361920 cubed (18733212149361920³) is 6574106787094806534797983989743060497505189888000
• The square root of 18733212149361920 is 136869325.0855059927
• The cube root of 18733212149361920 is 265585.3308277631

Scales and comparisons

• 18,733,212,149,361,920 seconds is equal to 595,658,200 years, 37 weeks, 3 days, 1 hour, 25 minutes, 20 seconds.
• To count from 1 to 18,733,212,149,361,920 would take you about one billion, seven hundred eighty-six million, nine hundred seventy-four thousand, six hundred 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 18733212149361920 cubic inches would be around 22132.1 feet tall.

Recreational maths with 18733212149361920

• 18733212149361920 backwards is 02916394121233781
• The number of decimal digits it has is: 17
• The sum of 18733212149361920's digits is 62
• More coming soon!