20409486729732464

Names of 20409486729732464

• Cardinal: 20409486729732464 can be written as Twenty quadrillion, four hundred nine trillion, four hundred eighty-six billion, seven hundred twenty-nine million, seven hundred thirty-two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.0409486729732464 × 10¹⁶

Factors of 20409486729732464

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10046

Divisors of 20409486729732464

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 43 52 56 86 91 104 112 169 172 182 208 301 338 344 364 559 602 676 688 728 1118 1183 1204 1352 1456 1733 2236 2366 2408 2531 2704 3466 3913 4472 4732 4816 5062 5717 6932 7267 7826 8944 9464 10124 11434 12131 13864 14534 15652 17717 18928 20248 22529 22868 24262 27728 29068 31304 32903 35434 40019 40496 45058 45736 48524 50869 58136 62608 65806 70868 74321 74519 80038 90116 91472 97048 101738 108833 116272 131612 141736 148642 149038 157703 160076 180232 194096 203476 217666 230321 245831 263224 283472 292877 297284 298076 315406 320152 360464 406952 427739 435332 460642 491662 520247 521633 526448 585754 594568 596152 630812 640304 761831 813904 855478 870664 921284 966173 968747 983324 1040494 1043266 1171508 1189136 1192304 1261624 1414829 1523662 1710956 1720817 1741328 1842568 1932346 1937494 1966648 2050139 2080988 2086532 2343016 2523248 2829658 2994173 3047324 3195803 3421912 3441634 3685136 3864692 3874988 3933296 4100278 4161976 4173064 4386223 4686032 5659316 5988346 6094648 6391606 6763211 6781229 6843824 6883268 7729384 7749976 8200556 8323952 8346128 8772446 9903803 9907561 11318632 11976692 12189296 12593711 12783212 13526422 13562458 13766536 14469727 15458768 15499952 16401112 17544892 18392777 19807606 19815122 22370621 22637264 23953384 25187422 25566424 27052844 27124916 27533072 28939454 30703561 32802224 35089784 36785554 39615212 39630244 41545439 44741242 47906768 50374844 51132848 54105688 54249832 57020899 57878908 61407122 69352927 70179568 73571108 79230424 79260488 83090878 88155977 89482484 100749688 101288089 108211376 108499664 114041798 115757816 122814244 128749439 128798293 138705854 147142216 158460848 158520976 166181756 176311954 178964968 188106451 188607589 201499376 202576178 228083596 231515632 245628488 257498878 257596586 277411708 290818073 294284432 332363512 352623908 357929936 376212902 377215178 399146293 405152356 426025123 456167192 491256976 514997756 515193172 554823416 581636146 622198261 664727024 705247816 741271687 752425804 754430356 798292586 810304712 852050246 901588051 912334384 1029995512 1030386344 1109646832 1163272292 1244396522 1316745157 1320253123 1410495632 1482543374 1504851608 1508860712 1596585172 1620609424 1674377809 1704100492 1803176102 2059991024 2060772688 2326544584 2445383863 2451898657 2488793044 2633490314 2640506246 2965086748 2982175861 3009703216 3017721424 3193170344 3348755618 3408200984 3606352204 4355387827 4653089168 4890767726 4903797314 4977586088 5188901809 5266980628 5281012492 5538326599 5930173496 5964351722 6386340688 6697511236 6816401968 7212704408 8088577393 8710775654 9781535452 9807594628 9955172176 10377803618 10533961256 10562024984 11076653198 11720644663 11860346992 11928703444 13395022472 14425408816 16177154786 17117687041 17163290599 17421551308 19563070904 19615189256 20755607236 21067922512 21124049968 22153306396 23441289326 23857406888 25076036891 26790044944 31874682541 32354309572 34235374082 34326581198 34843102616 38768286193 39126141808 39230378512 41511214472 44306612792 46882578652 47714813776 50152073782 56620041751 63749365082 64708619144 68470748164 68653162396 69686205232 71998245787 77536572386 83022428944 88613225584 93765157304 100304147564 105151506109 113240083502 127498730164 129417238288 136941496328 137306324792 143996491574 155073144772 175532258237 187530314608 200608295128 210303012218 223122777787 226480167004 254997460328 273882992656 274612649584 287992983148 310146289544 325988479583 351064516474 401216590256 420606024436 446245555574 452960334008 503987720509 509994920656 575985966296 620292579088 651976959166 702129032948 736060542763 841212048872 892491111148 905920668016 1007975441018 1078269586313 1151971932592 1303953918332 1404258065896 1472121085526 1682424097744 1784982222296 2015950882036 2156539172626 2281919357081 2607907836664 2808516131792 2944242171052 3569964444592 4031901764072 4237850234579 4313078345252 4563838714162 5215815673328 5888484342104 7547887104191 8063803528144 8475700469158 8626156690504 9127677428324 11776968684208 14017504622069 15095774208382 16951400938316 17252313381008 18255354856648 28035009244138 29664951642053 30191548416764 33902801876632 36510709713296 56070018488276 59329903284106 60383096833528 67805603753264 98122532354483 112140036976552 118659806568212 120766193667056 182227560086897 196245064708966 224280073953104 237319613136424 364455120173794 392490129417932 474639226272848 728910240347588 784980258835864 1275592920608279 1457820480695176 1569960517671728 2551185841216558 2915640961390352 5102371682433116 10204743364866232 20409486729732464
• Sum of all divisors σ(n): 50131695436568064
• Sum of proper divisors (its aliquot sum) s(n): 29722208706835600
• 20409486729732464 is an abundant number, because the sum of its proper divisors (29722208706835600) is greater than itself. Its abundance is 9312721977103136

Bases of 20409486729732464

• Binary: 1001000100000100101000111101110100100101110000101110000₂
• Hexadecimal: 0x488251EE92E170
• Base-36: 5KYK4RLJUCW

Squares and roots of 20409486729732464

• 20409486729732464 squared (20409486729732464²) is 416547148571125548016477015511296
• 20409486729732464 cubed (20409486729732464³) is 8501513501070283975466140824813663682280249913344
• The square root of 20409486729732464 is 142861774.9075394345
• The cube root of 20409486729732464 is 273281.7904170385

Scales and comparisons

• 20,409,486,729,732,464 seconds is equal to 648,958,547 years, 16 weeks, 3 days, 18 hours, 7 minutes, 44 seconds.
• To count from 1 to 20,409,486,729,732,464 would take you about one billion, nine hundred forty-six million, eight hundred seventy-five thousand, six hundred forty-one 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 20409486729732464 cubic inches would be around 22773.5 feet tall.

Recreational maths with 20409486729732464

• 20409486729732464 backwards is 46423792768490402
• The number of decimal digits it has is: 17
• The sum of 20409486729732464's digits is 77
• More coming soon!