15940224418385421

Names of 15940224418385421

• Cardinal: 15940224418385421 can be written as Fifteen quadrillion, nine hundred forty trillion, two hundred twenty-four billion, four hundred eighteen million, three hundred eighty-five thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.5940224418385421 × 10¹⁶

Factors of 15940224418385421

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 664067

Divisors of 15940224418385421

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 7 9 11 21 27 33 49 61 63 71 77 81 99 127 147 183 189 213 231 297 381 427 441 497 539 549 567 639 671 693 781 889 891 1143 1281 1323 1397 1491 1617 1647 1917 2013 2079 2343 2667 2989 3429 3479 3843 3969 4191 4331 4473 4697 4851 4941 5467 5751 6039 6223 6237 7029 7747 8001 8967 9017 9779 10287 10437 11529 12573 12993 13419 14091 14553 16401 18117 18669 21087 23241 24003 26901 27051 29337 30317 31311 32879 34587 37719 38269 38979 40257 42273 43659 47641 49203 54229 54351 56007 63119 63261 68453 69723 72009 80703 81153 85217 88011 90951 93933 98637 99187 113157 114807 116937 126819 142923 147609 162687 168021 189357 205359 209169 212219 242109 243459 255651 264033 272853 281799 295911 297561 333487 344421 350811 379603 380457 428769 441833 442827 488061 504063 550037 568071 596519 616077 627507 636657 663787 694309 730377 766953 792099 818559 887733 892683 1000461 1033263 1138809 1286307 1325499 1464183 1650111 1704213 1789557 1848231 1909971 1991361 2082927 2300859 2334409 2455677 2663199 2678049 3001383 3099789 3416427 3850259 3858921 3976497 4175633 4392549 4646509 4860163 4950333 5112639 5368671 5544693 5729913 5974083 6050407 6248781 6902577 7003227 7301657 8034147 9004149 10249281 11550777 11929491 12526899 13939527 14580489 14850999 16106013 17189739 17922249 18151221 18746343 21009681 21904971 26951813 27012447 30747843 32525563 34652331 35788473 37580697 40491007 41818581 42352849 43741467 44552997 47128877 48318039 51111599 53766747 54453663 56239029 63029043 65714913 80855439 84300949 97576689 103956993 112742091 121473021 125455743 127058547 131224401 141386631 153334797 163360989 189087129 197144739 242566317 252902847 283437049 292730067 296469943 311870979 329902139 338226273 357781193 364419063 376367229 381175641 393673203 424159893 445401077 460004391 490082967 518417647 590106643 591434217 727698951 758708541 850311147 878190201 889409829 927310439 989706417 1073343579 1093257189 1143526923 1272479679 1336203231 1380013173 1555252941 1770319929 1984059343 2183096853 2276125623 2309314973 2550933441 2634570603 2668229487 2781931317 2874861497 2969119251 3117807539 3220030737 3279771567 3430580769 3628923529 3817439037 4008609693 4130746501 4140039519 4665758823 5142357889 5310959787 5952178029 5985367379 6491173073 6828376869 6927944919 7652800323 8004688461 8345793951 8624584491 8907357753 9353422617 9660092211 10886770587 12025829079 12392239503 13997276469 15427073667 15932879361 17856534087 17956102137 19473519219 20124030479 20783834757 21824652773 22958400969 24014065383 25037381853 25402464703 25873753473 26722073259 28060267851 28980276633 31623476467 32660311761 35996505223 36077487237 37176718509 41897571653 41991829407 45438211511 46281221001 47798638083 53569602261 53868306411 56565936779 58420557657 60372091437 62351504271 65473958319 65839041169 75112145559 76207394109 77621260419 84180803553 94870429401 97980935283 107989515669 111530155527 125692714959 136314634533 138843663003 140868213353 160708806783 161604919233 169697810337 175261672971 181116274311 187054512813 196421874957 197517123507 221364335269 228622182327 232863781257 251975536561 252542410659 284611288203 293283001571 293942805849 323968547007 334590466581 365107410119 377078144877 395961557453 408943903599 416530989009 422604640059 460873288183 484814757699 509093431011 525785018913 543348822933 589265624871 592551370521 664093005807 685866546981 755926609683 853833864609 879849004713 971905641021 1095322230357 1131234434631 1187884672359 1226831710797 1267813920177 1382619864549 1527280293033 1549550346883 1630046468799 1767796874613 1777654111563 1992279017421 2057599640943 2267779829049 2555751870833 2561501593827 2639547014139 2771730902171 2915716923063 3226113017281 3285966691071 3393703303893 3563654017077 3680495132391 3803441760531 4016181511309 4147859593647 4581840879099 4648651040649 5332962334689 5976837052263 6803339487147 7667255612499 7918641042417 8315192706513 9678339051843 9857900073213 10690962051231 11410325281593 12048544533927 12443578780941 13945953121947 17890263095831 17930511156789 20410018461441 23001766837497 23755923127251 24945578119539 28113270579163 29035017155529 29573700219639 32072886153693 36145633601781 37330736342823 41837859365841 53670789287493 69005300512491 74836734358617 84339811737489 87105051466587 108436900805343 125513578097523 161012367862479 196792894054141 207015901537473 224510203075851 253019435212467 261315154399761 325310702416029 483037103587437 590378682162423 759058305637401 1449111310762311 1771136046487269 2277174916912203 5313408139461807 15940224418385421
• Sum of all divisors σ(n): 31390990866284544
• Sum of proper divisors (its aliquot sum) s(n): 15450766447899123
• 15940224418385421 is a deficient number, because the sum of its proper divisors (15450766447899123) is less than itself. Its deficiency is 489457970486298

Bases of 15940224418385421

• Binary: 111000101000011000110010110110000110010000111000001101₂
• Hexadecimal: 0x38A18CB6190E0D
• Base-36: 4CYC606B3T9

Squares and roots of 15940224418385421

• 15940224418385421 squared (15940224418385421²) is 254090754508490833194968505347241
• 15940224418385421 cubed (15940224418385421³) is 4050263649502221080317018969097892513430176973461
• The square root of 15940224418385421 is 126254601.5731126569
• The cube root of 15940224418385421 is 251670.0162405533

Scales and comparisons

• 15,940,224,418,385,421 seconds is equal to 506,849,830 years, 7 weeks, 6 days, 18 hours, 10 minutes, 21 seconds.
• To count from 1 to 15,940,224,418,385,421 would take you about one billion, five hundred twenty million, five hundred forty-nine thousand, four hundred ninety 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 15940224418385421 cubic inches would be around 20972.5 feet tall.

Recreational maths with 15940224418385421

• 15940224418385421 backwards is 12458381442204951
• 15940224418385421 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 15940224418385421's digits is 63
• More coming soon!