1218451991994368

Names of 1218451991994368

• Cardinal: 1218451991994368 can be written as One quadrillion, two hundred eighteen trillion, four hundred fifty-one billion, nine hundred ninety-one million, nine hundred ninety-four thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.218451991994368 × 10¹⁵

Factors of 1218451991994368

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 2023

Divisors of 1218451991994368

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 127 128 136 254 256 272 289 508 512 544 578 1016 1024 1088 1156 1877 2032 2048 2159 2176 2312 3754 4064 4096 4318 4352 4624 4913 7508 8128 8192 8636 8704 9248 9826 15016 16129 16256 17272 17408 18496 19652 30032 31909 32258 32512 34544 34816 36703 36992 39304 60064 63818 64516 65024 69088 69632 73406 73984 78608 120128 127636 129032 130048 138176 139264 146812 147968 157216 238379 240256 255272 258064 260096 274193 276352 293624 295936 314432 476758 480512 510544 516128 520192 542453 548386 552704 587248 591872 623951 628864 953516 961024 1021088 1032256 1040384 1084906 1096772 1105408 1174496 1183744 1247902 1257728 1907032 1922048 2042176 2064512 2169812 2193544 2210816 2348992 2367488 2495804 2515456 3814064 3844096 4052443 4084352 4129024 4339624 4387088 4421632 4661281 4697984 4991608 5030912 7628128 7688192 8104886 8168704 8258048 8679248 8774176 8843264 9221701 9322562 9395968 9983216 10061824 15256256 15376384 16209772 16337408 16516096 17358496 17548352 17686528 18443402 18645124 18791936 19966432 20123648 30274133 30512512 32419544 32674816 33032192 34716992 35096704 36886804 37290248 37583872 39932864 40247296 60548266 61025024 64839088 65349632 66064384 68891531 69433984 70193408 73773608 74580496 75167744 79241777 79865728 121096532 122050048 129678176 130699264 132128768 137783062 138867968 140386816 147547216 149160992 150335488 158483554 159731456 242193064 244100096 259356352 261398528 275566124 277735936 280773632 295094432 298321984 300670976 316967108 319462912 484386128 488200192 514660261 518712704 551132248 555471872 561547264 590188864 596643968 633934216 638925824 968772256 976400384 1029320522 1037425408 1102264496 1110943744 1123094528 1171156027 1180377728 1193287936 1267868432 1277851648 1937544512 1952800768 2058641044 2074850816 2204528992 2221887488 2246189056 2342312054 2360755456 2386575872 2535736864 2555703296 3875089024 4117282088 4149701632 4409057984 4443774976 4684624108 4721510912 4773151744 5071473728 5111406592 7750178048 8234564176 8299403264 8749224437 8818115968 9369248216 9443021824 9546303488 10142947456 15500356096 16469128352 16598806528 17498448874 17636231936 18738496432 18886043648 19092606976 20285894912 31000712192 32938256704 33197613056 34996897748 35272463872 37476992864 37772087296 38185213952 40571789824 62001424384 65876513408 69993795496 70544927744 74953985728 75544174592 81143579648 124002848768 131753026816 139987590992 141089855488 148736815429 149907971456 162287159296 248005697536 263506053632 279975181984 282179710976 297473630858 299815942912 324574318592 527012107264 559950363968 564359421952 594947261716 599631885824 649148637184 1054024214528 1119900727936 1189894523432 1199263771648 2108048429056 2239801455872 2379789046864 2398527543296 4216096858112 4479602911744 4759578093728 4797055086592 8959205823488 9519156187456 9594110173184 17918411646976 19038312374912 35836823293952 38076624749824 71673646587904 76153249499648 152306498999296 304612997998592 609225995997184 1218451991994368
• Sum of all divisors σ(n): 2610958253241960
• Sum of proper divisors (its aliquot sum) s(n): 1392506261247592
• 1218451991994368 is an abundant number, because the sum of its proper divisors (1392506261247592) is greater than itself. Its abundance is 174054269253224

Bases of 1218451991994368

• Binary: 100010101000010110011110110001010001010000000000000₂
• Hexadecimal: 0x4542CF628A000
• Base-36: BZWL48J9Q8

Squares and roots of 1218451991994368

• 1218451991994368 squared (1218451991994368²) is 1484625256795043420762143719424
• 1218451991994368 cubed (1218451991994368³) is 1808944601507070782307858488576729499180204032
• The square root of 1218451991994368 is 34906331.6891702041
• The cube root of 1218451991994368 is 106807.7601003101

Scales and comparisons

• 1,218,451,991,994,368 seconds is equal to 38,743,004 years, 22 weeks, 1 day, 1 hour, 6 minutes, 8 seconds.
• To count from 1 to 1,218,451,991,994,368 would take you about one hundred sixteen million, two hundred twenty-nine thousand and thirteen 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 1218451991994368 cubic inches would be around 8900.6 feet tall.

Recreational maths with 1218451991994368

• 1218451991994368 backwards is 8634991991548121
• The number of decimal digits it has is: 16
• The sum of 1218451991994368's digits is 80
• More coming soon!