1994271296438421

Names of 1994271296438421

• Cardinal: 1994271296438421 can be written as One quadrillion, nine hundred ninety-four trillion, two hundred seventy-one billion, two hundred ninety-six million, four hundred thirty-eight thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.994271296438421 × 10¹⁵

Factors of 1994271296438421

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 663953

Divisors of 1994271296438421

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 7 9 11 13 21 33 39 49 61 63 71 77 91 99 117 121 143 147 183 213 231 273 363 427 429 441 497 539 549 637 639 671 693 781 793 819 847 923 1001 1089 1281 1287 1491 1573 1617 1911 2013 2343 2379 2541 2769 2989 3003 3479 3843 4331 4473 4697 4719 4851 5467 5551 5733 5929 6039 6461 7007 7029 7137 7381 7623 8307 8591 8723 8967 9009 10153 10437 11011 12993 14091 14157 16401 16653 17787 19383 21021 22143 25773 26169 26901 30317 30459 31311 32879 33033 38269 38857 38979 42273 45227 47641 49203 49959 51667 53361 56303 58149 60137 61061 63063 66429 71071 77077 77319 78507 90951 91377 95953 98637 99099 111683 114807 116571 135681 142923 155001 168909 180411 183183 212219 213213 231231 272853 287859 295911 333487 335049 344421 349713 361669 394121 407043 420959 427427 428769 465003 497497 506727 524051 541233 549549 619333 636657 639639 663787 671671 693693 781781 863577 1000461 1005147 1085007 1182363 1262877 1282281 1492491 1572153 1857999 1909971 1991361 2015013 2334409 2345343 2758847 3001383 3255021 3547089 3668357 3788631 3846843 4335331 4477473 4646509 4701697 4716459 5472467 5573997 5974083 6045039 6812663 7003227 7036029 7301657 8276541 8629231 11005071 13005993 13939527 14105091 16417401 20437989 21009681 21904971 24829623 25678499 25887693 30347317 32525563 33015213 39017979 40491007 41818581 42315273 47128877 47688641 49252203 51111599 60404617 61313967 65714913 77035497 77663079 80318227 91041951 94921541 97576689 121473021 141386631 143065923 153334797 181213851 231106491 240954681 273125853 283437049 284764623 292730067 329902139 333820487 357781193 364419063 422832319 424159893 429197769 445401077 460004391 518417647 526383091 543641553 562227589 612675401 664450787 722864043 850311147 854293869 989706417 1001461461 1044136951 1073343579 1268496957 1336203231 1555252941 1579149273 1686682767 1838026203 1984059343 1993352361 2309314973 2550933441 2874861497 2969119251 3004384383 3117807539 3132410853 3220030737 3628923529 3684681637 3805490871 3935593123 4008609693 4288727807 4651155509 4665758823 4737447819 4899411847 5060048301 5514078609 5702594117 5790214001 5952178029 5980057083 6739429411 6927944919 7308958657 8624584491 9353422617 9397232559 10886770587 11054044911 11806779369 12866183421 13953466527 14698235541 17107782351 17370642003 17856534087 20124030479 20218288233 20783834757 21824652773 21926875971 25402464703 25792771459 25873753473 28060267851 30021094649 31623476467 32660311761 33162134733 34295882929 35420338107 37373199461 38598550263 39918158819 40531498007 41860399581 44094706623 47176005877 51162710599 51323347053 52111926009 60372091437 60654864699 63692354011 65473958319 65780627913 74133723521 76207394109 77378314377 90063283947 94870429401 102887648787 112119598383 119754476457 121594494021 140868213353 141528017631 153488131797 181116274311 191077062033 196421874957 221364335269 222401170563 228622182327 232134943131 240071180503 261612396227 270189851841 279427111733 283720486049 284611288203 308662946361 330232041139 336358795149 347858241137 359263429371 364783482063 411105194071 422604640059 424584052893 445846478077 460464395391 518936064647 573231186099 664093005807 667203511689 720213541509 784837188681 838281335199 851161458147 990696123417 1043574723411 1233315582213 1267813920177 1337539434231 1549550346883 1556808193941 1831286773589 1992279017421 2160640624527 2354511566043 2435007687959 2514844005597 2553484374441 2877736358497 2972088370251 3120925346539 3130724170233 3632552452529 3699946746639 4012618302693 4522157134781 4648651040649 4670424581823 5493860320767 7305023063877 8633209075491 9362776039617 10897657357587 13566471404343 13945953121947 16481580962301 17045053815713 20144154509479 21915069191631 25899627226473 28088328118851 31655099943467 32692972072761 40699414213029 51135161447139 60432463528437 94965299830401 153405484341417 181297390585311 221585699604269 284895899491203 664757098812807 1994271296438421
• Sum of all divisors σ(n): 4088381999554944
• Sum of proper divisors (its aliquot sum) s(n): 2094110703116523
• 1994271296438421 is an abundant number, because the sum of its proper divisors (2094110703116523) is greater than itself. Its abundance is 99839406678102

Bases of 1994271296438421

• Binary: 111000101011100011101111000001101011100000010010101₂
• Hexadecimal: 0x715C77835C095
• Base-36: JMWRL3C979

Squares and roots of 1994271296438421

• 1994271296438421 squared (1994271296438421²) is 3977118003798180447919444973241
• 1994271296438421 cubed (1994271296438421³) is 7931452277523182296657374100543305374949292461
• The square root of 1994271296438421 is 44657264.7666471061
• The cube root of 1994271296438421 is 125871.6947136439

Scales and comparisons

• 1,994,271,296,438,421 seconds is equal to 63,411,658 years, 28 weeks, 18 hours, 40 minutes, 21 seconds.
• To count from 1 to 1,994,271,296,438,421 would take you about one hundred ninety million, two hundred thirty-four thousand, nine hundred seventy-five 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 1994271296438421 cubic inches would be around 10489.3 feet tall.

Recreational maths with 1994271296438421

• 1994271296438421 backwards is 1248346921724991
• The number of decimal digits it has is: 16
• The sum of 1994271296438421's digits is 72
• More coming soon!