20421255617280

Names of 20421255617280

• Cardinal: 20421255617280 can be written as Twenty trillion, four hundred twenty-one billion, two hundred fifty-five million, six hundred seventeen thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.042125561728 × 10¹³

Factors of 20421255617280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 70

Divisors of 20421255617280

• Number of divisors d(n): 1728
• 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 49 53 54 56 60 63 64 70 72 80 81 84 90 96 98 105 106 108 112 120 126 128 135 140 144 147 159 160 162 168 180 189 192 196 210 212 216 224 240 243 245 252 256 265 270 280 288 294 315 318 320 324 336 360 371 378 384 392 405 420 424 432 441 448 477 480 486 490 504 530 540 560 567 576 588 630 636 640 648 672 720 729 735 742 756 768 784 795 810 840 848 864 882 896 945 954 960 972 980 1008 1060 1080 1113 1120 1134 1152 1176 1215 1260 1272 1280 1296 1323 1344 1431 1440 1458 1470 1484 1512 1568 1590 1620 1680 1696 1701 1728 1764 1792 1855 1890 1908 1920 1944 1960 2016 2120 2160 2187 2205 2226 2240 2268 2304 2352 2385 2430 2520 2544 2592 2597 2646 2688 2809 2835 2862 2880 2916 2940 2968 3024 3136 3180 3240 3339 3360 3392 3402 3456 3528 3645 3710 3780 3816 3840 3888 3920 3969 4032 4240 4293 4320 4374 4410 4452 4480 4536 4704 4770 4860 5040 5088 5103 5184 5194 5292 5376 5565 5618 5670 5724 5760 5832 5880 5936 6048 6272 6360 6480 6615 6678 6720 6784 6804 6912 7056 7155 7290 7420 7560 7632 7776 7791 7840 7938 8064 8427 8480 8505 8586 8640 8748 8820 8904 8960 9072 9408 9540 9720 10017 10080 10176 10206 10368 10388 10584 10935 11130 11236 11340 11448 11520 11664 11760 11872 11907 12096 12544 12720 12879 12960 12985 13230 13356 13440 13568 13608 14045 14112 14310 14580 14840 15120 15264 15309 15552 15582 15680 15876 16128 16695 16854 16960 17010 17172 17280 17496 17640 17808 18144 18816 19080 19440 19663 19845 20034 20160 20352 20412 20736 20776 21168 21465 21870 22260 22472 22680 22896 23328 23373 23520 23744 23814 24192 25281 25440 25515 25758 25920 25970 26460 26712 26880 27216 28090 28224 28620 29160 29680 30051 30240 30528 30618 31104 31164 31360 31752 33390 33708 33920 34020 34344 34560 34992 35280 35616 35721 36288 37632 38160 38637 38880 38955 39326 39690 40068 40320 40704 40824 41552 42135 42336 42930 43740 44520 44944 45360 45792 46656 46746 47040 47488 47628 48384 50085 50562 50880 51030 51516 51840 51940 52920 53424 54432 56180 56448 57240 58320 58989 59360 59535 60102 60480 61056 61236 62208 62328 62720 63504 64395 66780 67416 67840 68040 68688 69984 70119 70560 71232 71442 72576 75843 76320 76545 77274 77760 77910 78652 79380 80136 80640 81648 83104 84270 84672 85860 87480 89040 89888 90153 90720 91584 93312 93492 94080 94976 95256 98315 100170 101124 101760 102060 103032 103680 103880 105840 106848 107163 108864 112360 112896 114480 115911 116640 116865 117978 118720 119070 120204 120960 122112 122472 124656 126405 127008 128790 133560 134832 136080 137376 137641 139968 140238 141120 142464 142884 145152 148877 150255 151686 152640 153090 154548 155520 155820 157304 158760 160272 163296 166208 168540 169344 171720 174960 176967 178080 178605 179776 180306 181440 183168 186624 186984 188160 190512 193185 196630 200340 202248 203520 204120 206064 207760 210357 211680 213696 214326 217728 224720 227529 228960 231822 233280 233730 235956 237440 238140 240408 241920 244944 249312 252810 254016 257580 267120 269664 270459 272160 274752 275282 279936 280476 282240 284928 285768 294945 297754 300510 303372 305280 306180 309096 311040 311640 314608 317520 320544 326592 332416 337080 338688 343440 349920 350595 353934 356160 357210 359552 360612 362880 366336 373968 379215 381024 386370 393260 400680 404496 408240 412128 412923 415520 420714 423360 427392 428652 435456 446631 449440 450765 455058 457920 463644 466560 467460 471912 474880 476280 480816 489888 498624 505620 508032 515160 530901 534240 535815 539328 540918 544320 549504 550564 559872 560952 564480 571536 579555 589890 595508 601020 606744 610560 612360 618192 623280 629216 631071 635040 641088 653184 664832 674160 682587 686880 688205 699840 701190 707868 712320 714420 719104 721224 725760 744385 747936 758430 762048 772740 786520 801360 808992 811377 816480 824256 825846 831040 841428 846720 854784 857304 884835 893262 898880 901530 910116 915840 927288 933120 934920 943824 952560 961632 979776 997248 1011240 1016064 1030320 1042139 1051785 1061802 1068480 1071630 1078656 1081836 1088640 1099008 1101128 1121904 1137645 1143072 1159110 1179780 1191016 1202040 1213488 1224720 1236384 1238769 1246560 1258432 1262142 1270080 1282176 1306368 1339893 1348320 1352295 1365174 1373760 1376410 1399680 1402380 1415736 1424640 1428840 1442448 1488770 1495872 1516860 1524096 1545480 1573040 1592703 1602720 1617984 1622754 1632960 1648512 1651692 1662080 1682856 1693440 1714608 1769670 1786524 1797760 1803060 1820232 1831680 1854576 1869840 1887648 1893213 1905120 1923264 1959552 1994496 2022480 2047761 2060640 2064615 2084278 2103570 2123604 2136960 2143260 2157312 2163672 2177280 2202256 2233155 2243808 2275290 2286144 2318220 2359560 2382032 2404080 2426976 2449440 2472768 2477538 2493120 2516864 2524284 2540160 2564352 2654505 2679786 2696640 2704590 2730348 2747520 2752820 2799360 2804760 2831472 2857680 2884896 2977540 2991744 3033720 3048192 3090960 3126417 3146080 3155355 3185406 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85753152 86005962 86546880 87371136 87539676 88090240 89191368 89752320 90874224 93792510 95281280 95562180 96472296 97079040 98292528 99101520 100045344 100340289 100971360 101932992 103856256 105708288 107191440 108531333 109213920 109424595 111489210 112551012 113258880 113592780 114337536 114674616 115395840 116719568 118921824 120590370 121165632 122865660 125056680 127416240 128629728 129820320 131056704 131309514 132135360 133393792 133787052 134628480 135910656 137168640 140688765 142921920 143343270 144708444 145618560 145899460 148366080 148652280 150068016 151457040 152899488 158562432 160787160 161554176 163820880 166742240 167233815 168826518 169888320 171506304 172011924 173093760 174742272 175079352 176180480 178382736 180885555 181748448 187585020 190562560 191124360 192944592 196585056 196964271 198203040 200090688 200680578 201942720 203865984 207712512 214382880 215014905 217062666 218427840 218849190 222978420 225102024 226517760 227185560 229349232 233439136 237843648 241180740 242331264 245731320 250113360 253239777 254832480 257259456 259640640 262113408 262619028 264270720 266787584 267574104 269256960 281377530 285843840 286686540 289416888 291237120 291798920 297304560 300136032 301020867 302914080 305798976 317124864 321574320 325593999 327641760 328273785 333484480 334467630 337653036 339776640 343012608 344023848 346187520 350158704 356765472 361771110 363496896 375170040 382248720 385889184 393170112 393928542 396406080 400181376 401361156 403885440 407731968 422066295 428765760 430029810 434125332 436855680 437698380 445956840 450204048 454371120 458698464 466878272 475687296 482361480 484662528 491462640 500226720 501701445 506479554 509664960 514518912 519281280 524226816 525238056 528541440 535148208 542656665 562755060 571687680 573373080 578833776 583597840 590892813 594609120 600272064 602041734 605828160 611597952 643148640 651187998 655283520 656547570 666968960 668935260 675306072 679553280 688047696 700317408 713530944 723542220 726993792 750340080 759719331 764497440 771778368 786340224 787857084 792812160 800362752 802722312 807770880 844132590 857531520 860059620 868250664 873711360 875396760 891913680 900408096 908742240 917396928 933756544 951374592 964722960 982925280 984821355 1000453440 1003402890 1012959108 1019329920 1029037824 1038562560 1050476112 1070296416 1085313330 1125510120 1146746160 1157667552 1167195680 1181785626 1189218240 1200544128 1204083468 1211656320 1223195904 1266198885 1286297280 1302375996 1310567040 1313095140 1333937920 1337870520 1350612144 1376095392 1400634816 1427061888 1447084440 1453987584 1500680160 1505104335 1519438662 1528994880 1543556736 1572680448 1575714168 1585624320 1605444624 1627969995 1688265180 1715063040 1720119240 1736501328 1750793520 1772678439 1783827360 1800816192 1817484480 1834793856 1867513088 1929445920 1965850560 1969642710 2000906880 2006805780 2025918216 2038659840 2100952224 2140592832 2170626660 2251020240 2279157993 2293492320 2315335104 2334391360 2363571252 2378436480 2401088256 2408166936 2423312640 2532397770 2572594560 2604751992 2621134080 2626190280 2675741040 2701224288 2752190784 2801269632 2854123776 2894168880 2954464065 3001360320 3010208670 3038877324 3057989760 3087113472 3151428336 3210889248 3255939990 3376530360 3440238480 3473002656 3501587040 3545356878 3567654720 3601632384 3634968960 3669587712 3798596655 3858891840 3931701120 3939285420 4001813760 4013611560 4051836432 4201904448 4281185664 4341253320 4502040480 4558315986 4586984640 4630670208 4668782720 4727142504 4756872960 4816333872 5064795540 5145189120 5209503984 5252380560 5318035317 5351482080 5402448576 5504381568 5602539264 5788337760 5908928130 6002720640 6020417340 6077754648 6115979520 6302856672 6421778496 6511879980 6753060720 6880476960 6946005312 7003174080 7090713756 7135309440 7203264768 7269937920 7597193310 7717783680 7863402240 7878570840 8027223120 8103672864 8403808896 8562371328 8682506640 8863392195 9004080960 9116631972 9173969280 9261340416 9337565440 9454285008 9632667744 10129591080 10419007968 10504761120 10636070634 10702964160 10804897152 11008763136 11395789965 11576675520 11817856260 12005441280 12040834680 12155509296 12605713344 12843556992 13023759960 13506121440 13760953920 13892010624 14006348160 14181427512 14270618880 15194386620 15435567360 15757141680 15954105951 16054446240 16207345728 16807617792 17365013280 17726784390 18008161920 18233263944 18347938560 18908570016 19265335488 20259182160 20838015936 21009522240 21272141268 21405928320 21609794304 22791579930 23153351040 23635712520 24081669360 24311018592 25211426688 25687113984 26047519920 26590176585 27012242880 27521907840 27784021248 28012696320 28362855024 30388773240 31514283360 31908211902 32108892480 32414691456 34730026560 35453568780 36016323840 36466527888 37817140032 38530670976 40518364320 41676031872 42019044480 42544282536 42811856640 45583159860 46306702080 47271425040 48163338720 48622037184 50422853376 52095039840 53180353170 54024485760 55043815680 56725710048 60777546480 63028566720 63816423804 64217784960 64829382912 69460053120 70907137560 72933055776 75634280064 77061341952 79770529755 81036728640 83352063744 84038088960 85088565072 91166319720 94542850080 96326677440 97244074368 104190079680 106360706340 108048971520 113451420096 121555092960 126057133440 127632847608 128435569920 138920106240 141814275120 145866111552 151268560128 159541059510 162073457280 170177130144 182332639440 189085700160 192653354880 194488148736 208380159360 212721412680 226902840192 243110185920 252114266880 255265695216 283628550240 291732223104 319082119020 324146914560 340354260288 364665278880 378171400320 385306709760 416760318720 425442825360 453805680384 486220371840 510531390432 567257100480 583464446208 638164238040 680708520576 729330557760 756342800640 850885650720 972440743680 1021062780864 1134514200960 1276328476080 1361417041152 1458661115520 1701771301440 2042125561728 2269028401920 2552656952160 2917322231040 3403542602880 4084251123456 5105313904320 6807085205760 10210627808640 20421255617280
• Sum of all divisors σ(n): 86980305686400
• Sum of proper divisors (its aliquot sum) s(n): 66559050069120
• 20421255617280 is an abundant number, because the sum of its proper divisors (66559050069120) is greater than itself. Its abundance is 46137794451840

Bases of 20421255617280

• Binary: 100101001001010110001101011111101101100000000₂
• Hexadecimal: 0x1292B1AFDB00
• Base-36: 78LE8C000

Squares and roots of 20421255617280

• 20421255617280 squared (20421255617280²) is 417027680986289953834598400
• 20421255617280 cubed (20421255617280³) is 8516228872902525570411624452012900352000
• The square root of 20421255617280 is 4518988.3400247893
• The cube root of 20421255617280 is 27333.4308554019

Scales and comparisons

• 20,421,255,617,280 seconds is equal to 649,332 years, 39 weeks, 4 days, 4 hours, 48 minutes.
• To count from 1 to 20,421,255,617,280 would take you about one million, six hundred twenty-three thousand, three hundred thirty-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 20421255617280 cubic inches would be around 2277.8 feet tall.

Recreational maths with 20421255617280

• 20421255617280 backwards is 08271655212402
• 20421255617280 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20421255617280's digits is 45
• More coming soon!