18591742807769720241

Names of 18591742807769720241

• Cardinal: 18591742807769720241 can be written as Eighteen quintillion, five hundred ninety-one quadrillion, seven hundred forty-two trillion, eight hundred seven billion, seven hundred sixty-nine million, seven hundred twenty thousand, two hundred forty-one.

Scientific notation

• Scientific notation: 1.8591742807769720241 × 10¹⁹

Factors of 18591742807769720241

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 231

Divisors of 18591742807769720241

• Number of divisors d(n): 147
• Complete list of divisors:
  1 3 9 17 27 51 81 153 211 243 289 459 633 729 867 1377 1899 2601 3587 4131 5697 7803 10761 12393 17091 23409 32283 44521 51273 60979 70227 96849 133563 153819 182937 210681 290547 400689 548811 756857 871641 1202067 1646433 2270571 2614923 3606201 4939299 6811713 9393931 10818603 12866569 14817897 20435139 28181793 32455809 38599707 44453691 61305417 84545379 115799121 159696827 183916251 253636137 347397363 479090481 551748753 760908411 1042192089 1437271443 1982119441 2282725233 2714846059 3126576267 4311814329 5946358323 6848175699 8144538177 9379728801 12935442987 17839074969 24433614531 33696030497 38806328961 53517224907 73300843593 101088091491 116418986883 160551674721 219902530779 303264274473 418227202051 481655024163 572832518449 659707592337 909792823419 1254681606153 1444965072489 1718497555347 1979122777011 2729378470257 3764044818459 5155492666041 7109862434867 8188135410771 11292134455377 15466477998123 21329587304601 24564406232313 33876403366131 46399433994369 63988761913803 88245939632761 101629210098393 120867661392739 139198301983107 191966285741409 264737818898283 304887630295179 362602984178217 417594905949321 575898857224227 794213456694849 1087808952534651 1500180973756937 1727696571672681 2382640370084547 3263426857603953 4500542921270811 5183089715018043 7147921110253641 9790280572811859 13501628763812433 21443763330760923 25503076553867929 29370841718435577 40504886291437299 64331289992282769 76509229661603787 88112525155306731 121514658874311897 229527688984811361 364543976622935691 688583066954434083 1093631929868807073 2065749200863302249 6197247602589906747 18591742807769720241
• Sum of all divisors σ(n): 29752018114901692267
• Sum of proper divisors (its aliquot sum) s(n): 11160275307131972026
• 18591742807769720241 is a deficient number, because the sum of its proper divisors (11160275307131972026) is less than itself. Its deficiency is 7431467500637748215

Bases of 18591742807769720241

• Binary: 10000001000000011001000111001010010010100100010011010010110110001₂
• Hexadecimal: 0x1020323949489A5B1
• Base-36: 3X91QSH0JUE29

Squares and roots of 18591742807769720241

• 18591742807769720241 squared (18591742807769720241²) is 345652900630257120757620582223405098081
• 18591742807769720241 cubed (18591742807769720241³) is 6426289829277324625381493412868665616430120941302535957521
• 18591742807769720241 is a perfect square number. Its square root is 4311814329
• The cube root of 18591742807769720241 is 2649150.9233168953
• Being both a perfect square and a perfect cube, 18591742807769720241 is also a perfect sixth number.

Scales and comparisons

• 18,591,742,807,769,720,241 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,591,742,807,769,720,241 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 18591742807769720241 cubic inches would be around 220762.6 feet tall.

Recreational maths with 18591742807769720241

• 18591742807769720241 backwards is 14202796770824719581
• The number of decimal digits it has is: 20
• The sum of 18591742807769720241's digits is 90
• More coming soon!