21139012658400

Names of 21139012658400

• Cardinal: 21139012658400 can be written as Twenty-one trillion, one hundred thirty-nine billion, twelve million, six hundred fifty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.11390126584 × 10¹³

Factors of 21139012658400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 727796

Divisors of 21139012658400

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 19 20 21 24 25 26 28 30 32 35 38 39 40 42 48 49 50 52 56 57 60 65 70 75 76 78 80 84 91 95 96 98 100 104 105 112 114 120 130 133 140 147 150 152 156 160 168 175 182 190 195 196 200 208 210 224 228 240 245 247 260 266 273 280 285 294 300 304 312 325 336 350 364 380 390 392 399 400 416 420 455 456 475 480 490 494 520 525 532 546 560 570 588 600 608 624 637 650 665 672 700 728 735 741 760 780 784 798 800 840 910 912 931 950 975 980 988 1040 1050 1064 1092 1120 1140 1176 1200 1225 1235 1248 1274 1300 1330 1365 1400 1425 1456 1470 1482 1520 1560 1568 1596 1680 1729 1820 1824 1862 1900 1911 1950 1960 1976 1995 2080 2100 2128 2184 2275 2280 2352 2400 2450 2470 2548 2600 2660 2730 2793 2800 2850 2912 2940 2964 3040 3120 3185 3192 3325 3360 3458 3640 3675 3705 3724 3800 3822 3900 3920 3952 3990 4200 4256 4368 4550 4560 4655 4704 4900 4940 5096 5187 5200 5320 5460 5586 5600 5700 5880 5928 6175 6240 6370 6384 6650 6825 6916 7280 7350 7410 7448 7600 7644 7800 7840 7904 7980 8400 8645 8736 9100 9120 9310 9555 9800 9880 9975 10192 10374 10400 10640 10920 11172 11400 11760 11856 12103 12350 12740 12768 13300 13650 13832 13965 14560 14700 14820 14896 15200 15288 15600 15925 15960 16800 17290 18200 18525 18620 19110 19600 19760 19950 20384 20748 21280 21840 22344 22800 23275 23520 23712 24206 24700 25480 25935 26600 27300 27664 27930 29400 29640 29792 30576 31200 31850 31920 34580 36309 36400 37050 37240 38220 39200 39520 39900 41496 43225 43680 44688 45600 46550 47775 48412 49400 50960 51870 53200 54600 55328 55860 58800 59280 60515 61152 63700 63840 69160 69825 72618 72800 74100 74480 76440 79800 82992 86450 89376 93100 95550 96824 98800 101920 103740 106400 109200 111720 117600 118560 121030 127400 129675 138320 139650 145236 148200 148960 152880 159600 165984 172900 181545 186200 191100 193648 197600 207480 218400 223440 242060 254800 259350 276640 279300 290472 296400 302575 305760 319200 345800 363090 372400 382200 387296 414960 446880 484120 509600 518700 558600 580944 592800 605150 691600 726180 727747 744800 764400 829920 907725 968240 1037400 1117200 1161888 1210300 1383200 1452360 1455494 1528800 1815450 1936480 2074800 2183241 2234400 2420600 2904720 2910988 3630900 3638735 4149600 4366482 4841200 5094229 5809440 5821976 7261800 7277470 8732964 9460711 9682400 10188458 10916205 11643952 13827193 14523600 14554940 15282687 17465928 18193675 18921422 20376916 21832410 23287904 25471145 27654386 28382133 29047200 29109880 30565374 34931856 35659603 36387350 37842844 40753832 41481579 43664820 47303555 50942290 54581025 55308772 56764266 58219760 61130748 66224977 69135965 69863712 71319206 72774700 75685688 76413435 81507664 82963158 87329640 94607110 96790351 101884580 106978809 109162050 110617544 113528532 116439520 122261496 127355725 132449954 138271930 141910665 142638412 145549400 151371376 152826870 163015328 165926316 174659280 178298015 179753509 189214220 193580702 198674931 203769160 207407895 213957618 218324100 221235088 227057064 236517775 244522992 254711450 264899908 276543860 283821330 285276824 290371053 291098800 302742752 305653740 331124885 331852632 345679825 349318560 356596030 359507018 378428440 382067175 387161404 397349862 407538320 414815790 427915236 436648200 442470176 454114128 463574839 473035550 483951755 489045984 509422900 529799816 534894045 539260527 553087720 567642660 570553648 580742106 582197600 611307480 662249770 663705264 677532457 691359650 709553325 713192060 719014036 756856880 764134350 774322808 794699724 815076640 829631580 855830472 873296400 891490075 898767545 908228256 927149678 946071100 967903510 993374655 1018845800 1037039475 1059599632 1069788090 1078521054 1106175440 1135285320 1141107296 1161484212 1222614960 1258274563 1324499540 1327410528 1355064914 1382719300 1390724517 1419106650 1426384120 1438028072 1451855265 1513713760 1528268700 1548645616 1589399448 1655624425 1659263160 1711660944 1746592800 1782980150 1797535090 1854299356 1892142200 1935807020 1986749310 2032597371 2037691600 2074078950 2119199264 2139576180 2157042108 2212350880 2270570640 2317874195 2322968424 2419758775 2445229920 2516549126 2648999080 2674470225 2696302635 2710129828 2765438600 2781449034 2838213300 2852768240 2876056144 2903710530 3056537400 3097291232 3178798896 3311248850 3318526320 3387662285 3423321888 3565960300 3595070180 3708598712 3774823689 3784284400 3871614040 3973498620 4065194742 4075383200 4148157900 4279152360 4314084216 4493837725 4541141280 4635748390 4645936848 4839517550 4966873275 5033098252 5297998160 5348940450 5392605270 5420259656 5530877200 5562898068 5676426600 5705536480 5752112288 5807421060 6113074800 6291372815 6357597792 6622497700 6637052640 6775324570 6953622585 7131920600 7190140360 7259276325 7417197424 7549647378 7568568800 7743228080 7946997240 8130389484 8296315800 8558304720 8628168432 8807921941 8987675450 9271496780 9291873696 9679035100 9933746550 10066196504 10162986855 10595996320 10697880900 10785210540 10840519312 11061754400 11125796136 11352853200 11589370975 11614842120 12226149600 12582745630 13244995400 13481513175 13550649140 13907245170 14263841200 14380280720 14518552650 14834394848 15099294756 15486456160 15893994480 16260778968 16592631600 16938311425 17116609440 17256336864 17615843882 17975350900 18542993560 18874118445 19358070200 19867493100 20132393008 20325973710 21395761800 21570421080 21681038624 22251592272 22705706400 23178741950 23229684240 25165491260 26423765823 26489990800 26963026350 27101298280 27814490340 28527682400 28760561440 29037105300 30198589512 31456864075 31787988960 32521557936 33185263200 33876622850 34768112925 35231687764 35950701800 37085987120 37748236890 38716140400 39734986200 40264786016 40651947420 42791523600 43140842160 44039609705 44503184544 46357483900 46459368480 50330982520 50814934275 52847531646 52979981600 53926052700 54202596560 55628980680 58074210600 60397179024 62913728150 65043115872 67753245700 69536225850 70463375528 71901403600 74171974240 75496473780 77432280800 79469972400 81303894840 85583047200 86281684320 88079219410 92714967800 94370592225 100661965040 101629868550 105695063292 107852105400 108405193120 111257961360 116148421200 120794358048 125827456300 132118829115 135506491400 139072451700 140926751056 143802807200 150992947560 158939944800 162607789680 176158438820 185429935600 188741184450 201323930080 203259737100 211390126584 215704210800 220198048525 222515922720 232296842400 251654912600 264237658230 271012982800 278144903400 281853502112 301985895120 325215579360 352316877640 370859871200 377482368900 406519474200 422780253168 431408421600 440396097050 503309825200 528475316460 542025965600 556289806800 603971790240 660594145575 704633755280 754964737800 813038948400 845560506336 880792194100 1006619650400 1056950632920 1112579613600 1321188291150 1409267510560 1509929475600 1626077896800 1761584388200 2113901265840 2642376582300 3019858951200 3523168776400 4227802531680 5284753164600 7046337552800 10569506329200 21139012658400
• Sum of all divisors σ(n): 90735271320960
• Sum of proper divisors (its aliquot sum) s(n): 69596258662560
• 21139012658400 is an abundant number, because the sum of its proper divisors (69596258662560) is greater than itself. Its abundance is 48457246004160

Bases of 21139012658400

• Binary: 100110011100111001111010101110010010011100000₂
• Hexadecimal: 0x1339CF5724E0
• Base-36: 7HR4MCDEO

Squares and roots of 21139012658400

• 21139012658400 squared (21139012658400²) is 446857856171995435090560000
• 21139012658400 cubed (21139012658400³) is 9446133878125298069966363390344704000000
• The square root of 21139012658400 is 4597718.2012820229
• The cube root of 21139012658400 is 27649.9849724855

Scales and comparisons

• 21,139,012,658,400 seconds is equal to 672,155 years, 11 weeks, 1 day, 8 hours, 40 minutes.
• To count from 1 to 21,139,012,658,400 would take you about one million, six hundred eighty thousand, three hundred eighty-eight 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 21139012658400 cubic inches would be around 2304.2 feet tall.

Recreational maths with 21139012658400

• 21139012658400 backwards is 00485621093112
• 21139012658400 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21139012658400's digits is 42
• More coming soon!