21242451363840

Names of 21242451363840

• Cardinal: 21242451363840 can be written as Twenty-one trillion, two hundred forty-two billion, four hundred fifty-one million, three hundred sixty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.124245136384 × 10¹³

Factors of 21242451363840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 3330

Divisors of 21242451363840

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 128 135 140 144 160 168 180 189 192 210 216 224 240 252 256 270 280 288 315 320 336 360 378 384 420 432 448 480 504 512 540 560 576 630 640 672 720 756 768 840 864 896 945 960 1008 1024 1080 1120 1152 1260 1280 1344 1440 1512 1536 1680 1728 1792 1890 1920 2016 2048 2160 2240 2304 2520 2560 2688 2880 3024 3072 3313 3360 3456 3584 3780 3840 4032 4320 4480 4608 5040 5120 5376 5760 6048 6144 6626 6720 6912 7168 7560 7680 8064 8640 8960 9216 9939 10080 10240 10752 11520 12096 13252 13440 13824 14336 15120 15360 16128 16565 17280 17920 18432 19878 20160 21504 23040 23191 24192 26504 26880 27648 29817 30240 30720 32256 33130 34560 35840 39756 40320 43008 46080 46382 48384 49695 53008 53760 55296 59634 60480 64512 66260 69120 69573 71680 79512 80640 89451 92160 92764 96768 99390 106016 107520 115955 119268 120960 129024 132520 138240 139146 149085 159024 161280 178902 185528 193536 198780 208719 212032 215040 231910 238536 241920 265040 276480 278292 298170 318048 322560 347865 357804 371056 387072 397560 417438 424064 447255 463820 477072 483840 530080 556584 596340 626157 636096 645120 695730 715608 742112 795120 834876 848128 894510 927640 954144 967680 1043595 1060160 1113168 1192680 1252314 1272192 1391460 1431216 1484224 1590240 1669752 1696256 1789020 1855280 1908288 1935360 2087190 2120320 2226336 2385360 2504628 2544384 2782920 2862432 2968448 3130785 3180480 3339504 3392512 3578040 3710560 3816576 4174380 4240640 4452672 4770720 5009256 5088768 5565840 5724864 5936896 6261570 6360960 6679008 6785024 7156080 7421120 7633152 8348760 8481280 8905344 9541440 10018512 10177536 10975969 11131680 11449728 11873792 12523140 12721920 13358016 14312160 14842240 15266304 16697520 16962560 17810688 19082880 20037024 20355072 21951938 22263360 22899456 23747584 25046280 25443840 26716032 28624320 29684480 30532608 32927907 33395040 33925120 35621376 38165760 40074048 43903876 44526720 45798912 47495168 50092560 50887680 53432064 54879845 57248640 59368960 61065216 65855814 66790080 71242752 76331520 76831783 80148096 87807752 89053440 91597824 98783721 100185120 101775360 106864128 109759690 114497280 118737920 131711628 133580160 142485504 152663040 153663566 160296192 164639535 175615504 178106880 183195648 197567442 200370240 213728256 219519380 228994560 230495349 237475840 263423256 267160320 296351163 305326080 307327132 320592384 329279070 351231008 356213760 384158915 395134884 400740480 427456512 439038760 457989120 460990698 493918605 526846512 534320640 592702326 614654264 641184768 658558140 691486047 702462016 712427520 768317830 790269768 801480960 878077520 915978240 921981396 987837210 1053693024 1068641280 1152476745 1185404652 1229308528 1282369536 1317116280 1382972094 1404924032 1481755815 1536635660 1580539536 1602961920 1756155040 1843962792 1975674420 2074458141 2107386048 2137282560 2304953490 2370809304 2458617056 2634232560 2765944188 2809848064 2963511630 3073271320 3161079072 3205923840 3457430235 3512310080 3687925584 3951348840 4148916282 4214772096 4609906980 4741618608 4917234112 5268465120 5531888376 5619696128 5927023260 6146542640 6322158144 6411847680 6914860470 7024620160 7375851168 7902697680 8297832564 8429544192 9219813960 9483237216 9834468224 10372290705 10536930240 11063776752 11239392256 11854046520 12293085280 12644316288 13829720940 14049240320 14751702336 15805395360 16595665128 16859088384 18439627920 18966474432 19668936448 20744581410 21073860480 22127553504 22478784512 23708093040 24586170560 25288632576 27659441880 28098480640 29503404672 31610790720 33191330256 33718176768 36879255840 37932948864 39337872896 41489162820 42147720960 44255107008 47416186080 49172341120 50577265152 55318883760 56196961280 59006809344 63221581440 66382660512 67436353536 73758511680 75865897728 78675745792 82978325640 84295441920 88510214016 94832372160 98344682240 101154530304 110637767520 112393922560 118013618688 126443162880 132765321024 147517023360 151731795456 157351491584 165956651280 168590883840 177020428032 189664744320 196689364480 202309060608 221275535040 236027237376 252886325760 265530642048 295034046720 303463590912 331913302560 337181767680 354040856064 379329488640 393378728960 442551070080 472054474752 505772651520 531061284096 590068093440 606927181824 663826605120 708081712128 758658977280 786757457920 885102140160 1011545303040 1062122568192 1180136186880 1327653210240 1416163424256 1517317954560 1770204280320 2124245136384 2360272373760 2655306420480 3034635909120 3540408560640 4248490272768 5310612840960 7080817121280 10621225681920 21242451363840
• Sum of all divisors σ(n): 86323514659200
• Sum of proper divisors (its aliquot sum) s(n): 65081063295360
• 21242451363840 is an abundant number, because the sum of its proper divisors (65081063295360) is greater than itself. Its abundance is 43838611931520

Bases of 21242451363840

• Binary: 100110101000111100100110001001000100000000000₂
• Hexadecimal: 0x1351E4C48800
• Base-36: 7J2NB2TC0

Squares and roots of 21242451363840

• 21242451363840 squared (21242451363840²) is 451241739945107876059545600
• 21242451363840 cubed (21242451363840³) is 9585480714118491408537020115770671104000
• The square root of 21242451363840 is 4608953.3913720585
• The cube root of 21242451363840 is 27695.0111412513

Scales and comparisons

• 21,242,451,363,840 seconds is equal to 675,444 years, 12 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 21,242,451,363,840 would take you about one million, six hundred eighty-eight thousand, six hundred ten 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 21242451363840 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21242451363840

• 21242451363840 backwards is 04836315424212
• 21242451363840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21242451363840's digits is 45
• More coming soon!