18009863845580

Names of 18009863845580

• Cardinal: 18009863845580 can be written as Eighteen trillion, nine billion, eight hundred sixty-three million, eight hundred forty-five thousand, five hundred eighty.

Scientific notation

• Scientific notation: 1.800986384558 × 10¹³

Factors of 18009863845580

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2478

Divisors of 18009863845580

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 19 20 38 76 95 127 190 254 380 421 508 635 811 842 1093 1270 1622 1684 2105 2186 2413 2540 3244 4055 4210 4372 4826 5465 7999 8110 8420 9652 10930 12065 15409 15998 16220 20767 21860 24130 30818 31996 39995 41534 48260 53467 61636 77045 79990 83068 102997 103835 106934 138811 154090 159980 205994 207670 213868 267335 277622 308180 341431 411988 415340 460153 514985 534670 555244 682862 694055 886423 920306 1015873 1029970 1069340 1365724 1388110 1707155 1772846 1840612 1956943 2031746 2059940 2300765 2637409 2776220 3414310 3545692 3913886 4063492 4432115 4601530 5079365 5274818 6487189 6828620 7827772 8742907 8864230 9203060 9784715 10158730 10549636 12974378 13187045 16842037 17485814 17728460 19569430 20317460 25948756 26374090 32435945 33684074 34971628 39138860 43361737 43714535 52748180 58439431 64871890 67368148 84210185 86723474 87429070 112575721 116878862 129743780 168420370 173446948 174858140 216808685 225151442 233757724 292197155 336840740 373184083 433617370 450302884 562878605 584394310 746368166 823873003 867234740 1110349189 1125757210 1168788620 1492736332 1647746006 1865920415 2138938699 2220698378 2251514420 3295492012 3731840830 4119365015 4277877398 4441396756 5551745945 7090497577 7463681660 8238730030 8555754796 10694693495 11103491890 14180995154 16477460060 21389386990 22206983780 28361990308 35452487885 42778773980 47394378541 70904975770 94788757082 141809951540 189577514164 236971892705 473943785410 900493192279 947887570820 1800986384558 3601972769116 4502465961395 9004931922790 18009863845580
• Sum of all divisors σ(n): 40306497208320
• Sum of proper divisors (its aliquot sum) s(n): 22296633362740
• 18009863845580 is an abundant number, because the sum of its proper divisors (22296633362740) is greater than itself. Its abundance is 4286769517160

Bases of 18009863845580

• Binary: 100000110000100111111100010010111011011001100₂
• Hexadecimal: 0x10613F8976CC
• Base-36: 6DTM7XKUK

Squares and roots of 18009863845580

• 18009863845580 squared (18009863845580²) is 324355195736329626085536400
• 18009863845580 cubed (18009863845580³) is 5841592912817747099367342070921069112000
• The square root of 18009863845580 is 4243802.9932573449
• The cube root of 18009863845580 is 26212.2002139201

Scales and comparisons

• 18,009,863,845,580 seconds is equal to 572,657 years, 50 weeks, 5 hours, 6 minutes, 20 seconds.
• To count from 1 to 18,009,863,845,580 would take you about one million, four hundred thirty-one thousand, six hundred forty-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 18009863845580 cubic inches would be around 2184.4 feet tall.

Recreational maths with 18009863845580

• 18009863845580 backwards is 08554836890081
• The number of decimal digits it has is: 14
• The sum of 18009863845580's digits is 65
• More coming soon!