21398422784000

Names of 21398422784000

• Cardinal: 21398422784000 can be written as Twenty-one trillion, three hundred ninety-eight billion, four hundred twenty-two million, seven hundred eighty-four thousand.

Scientific notation

• Scientific notation: 2.1398422784 × 10¹³

Factors of 21398422784000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1043

Divisors of 21398422784000

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 23 25 32 34 40 46 50 64 68 80 85 92 100 115 125 128 136 160 170 184 200 230 250 256 272 313 320 340 368 391 400 425 460 500 512 544 575 626 640 680 683 736 782 800 850 920 1000 1024 1088 1150 1252 1280 1360 1366 1472 1564 1565 1600 1700 1840 1955 2000 2048 2125 2176 2300 2504 2560 2720 2732 2875 2944 3128 3130 3200 3400 3415 3680 3910 4000 4250 4352 4600 5008 5120 5321 5440 5464 5750 5888 6256 6260 6400 6800 6830 7199 7360 7820 7825 8000 8500 8704 9200 9775 10016 10240 10642 10880 10928 11500 11611 11776 12512 12520 12800 13600 13660 14398 14720 15640 15650 15709 16000 17000 17075 17408 18400 19550 20032 21284 21760 21856 23000 23222 23552 25024 25040 25600 26605 27200 27320 28796 29440 31280 31300 31418 32000 34000 34150 34816 35995 36800 39100 39125 40064 42568 43520 43712 46000 46444 47104 48875 50048 50080 51200 53210 54400 54640 57592 58055 58880 62560 62600 62836 64000 68000 68300 71990 73600 78200 78250 78545 80128 85136 85375 87040 87424 92000 92888 97750 100096 100160 106420 108800 109280 115184 116110 117760 122383 125120 125200 125672 128000 133025 136000 136600 143980 147200 156400 156500 157090 160256 170272 170750 174080 174848 179975 184000 185776 195500 200192 200320 212840 213779 217600 218560 230368 232220 235520 244766 250240 250400 251344 256000 266050 267053 272000 273200 287960 290275 294400 312800 313000 314180 320512 340544 341500 349696 359950 368000 371552 391000 392725 400384 400640 425680 427558 435200 437120 460736 464440 489532 500480 500800 502688 532100 534106 544000 546400 575920 580550 588800 611915 625600 626000 628360 641024 665125 681088 683000 699392 719900 736000 743104 782000 785450 800768 801280 851360 855116 870400 874240 899875 921472 928880 979064 1000960 1001600 1005376 1064200 1068212 1068895 1088000 1092800 1151840 1161100 1177600 1223830 1251200 1252000 1256720 1330250 1335265 1362176 1366000 1398784 1439800 1451375 1472000 1486208 1564000 1570900 1602560 1702720 1710232 1748480 1799750 1842944 1857760 1958128 1963625 2001920 2003200 2010752 2128400 2136424 2137790 2176000 2185600 2303680 2322200 2447660 2502400 2504000 2513440 2660500 2670530 2724352 2732000 2879600 2902750 2944000 2972416 3059575 3128000 3141800 3205120 3405440 3420464 3496960 3599500 3634243 3685888 3715520 3916256 3927250 4003840 4006400 4021504 4256800 4272848 4275580 4352000 4371200 4607360 4644400 4895320 4916917 5004800 5008000 5026880 5321000 5341060 5344475 5448704 5464000 5759200 5805500 5888000 5944832 6119150 6256000 6283600 6676325 6810880 6840928 6993920 7199000 7268486 7371776 7431040 7832512 7854500 8012800 8043008 8513600 8545696 8551160 8742400 9214720 9288800 9790640 9833834 10009600 10016000 10053760 10642000 10682120 10688950 10897408 10928000 11518400 11611000 11889664 12238300 12512000 12567200 13352650 13621760 13681856 14398000 14536972 14743552 14862080 15297875 15665024 15709000 16025600 16086016 17027200 17091392 17102320 17484800 18171215 18429440 18577600 19581280 19667668 20019200 20032000 20107520 21284000 21364240 21377900 21856000 23036800 23222000 23779328 24476600 24584585 25024000 25134400 26705300 26722375 27243520 27363712 28796000 29073944 29724160 30595750 31330048 31418000 32172032 33381625 34054400 34182784 34204640 34969600 36342430 36858880 37155200 39162560 39335336 40064000 40215040 42568000 42728480 42755800 43712000 46073600 46444000 48953200 49169170 50048000 50268800 53410600 53444750 54487040 54727424 57592000 58147888 59448320 61191500 62660096 62836000 66763250 68108800 68365568 68409280 72684860 73717760 74310400 78325120 78670672 80128000 80430080 83587589 85136000 85456960 85511600 87424000 90856075 92147200 92888000 97906400 98338340 100096000 100537600 106821200 106889500 109454848 115184000 116295776 118896640 122383000 122922925 125320192 125672000 133526500 136217600 136731136 136818560 145369720 148620800 156650240 157341344 160860160 167175178 170272000 170913920 171023200 174848000 181712150 184294400 185776000 195812800 196676680 201075200 213642400 213779000 218909696 230368000 232591552 244766000 245845850 250640384 251344000 267053000 272435200 273462272 273637120 290739440 297241600 313300480 314682688 334350356 340544000 341827840 342046400 363424300 368588800 371552000 391625600 393353360 402150400 417937945 427284800 427558000 437819392 454280375 460736000 465183104 489532000 491691700 502688000 534106000 546924544 547274240 581478880 594483200 614614625 626600960 629365376 668700712 681088000 683655680 684092800 726848600 743104000 783251200 786706720 804300800 835875890 854569600 855116000 908560750 921472000 930366208 979064000 983383400 1005376000 1068212000 1094548480 1162957760 1229229250 1253201920 1258730752 1337401424 1362176000 1367311360 1368185600 1453697200 1486208000 1566502400 1573413440 1671751780 1709139200 1710232000 1817121500 1842944000 1860732416 1958128000 1966766800 2010752000 2089689725 2136424000 2189096960 2325915520 2458458500 2517461504 2674802848 2734622720 2736371200 2907394400 2972416000 3133004800 3146826880 3343503560 3418278400 3420464000 3634243000 3721464832 3916256000 3933533600 4021504000 4179379450 4272848000 4651831040 4916917000 5034923008 5349605696 5472742400 5814788800 6266009600 6293653760 6687007120 6836556800 6840928000 7268486000 7442929664 7832512000 7867067200 8358758900 8545696000 9303662080 9833834000 10069846016 10448448625 10699211392 10945484800 11629577600 12587307520 13374014240 13673113600 13681856000 14536972000 15665024000 15734134400 16717517800 17091392000 18607324160 19667668000 20896897250 21398422784 23259155200 25174615040 26748028480 27363712000 29073944000 31330048000 31468268800 33435035600 34182784000 37214648320 39335336000 41793794500 42796845568 46518310400 50349230080 53496056960 54727424000 58147888000 62936537600 66870071200 68365568000 78670672000 83587589000 85593691136 93036620800 106992113920 116295776000 125873075200 133740142400 157341344000 167175178000 171187382272 186073241600 213984227840 232591552000 251746150400 267480284800 314682688000 334350356000 427968455680 465183104000 534960569600 629365376000 668700712000 855936911360 930366208000 1069921139200 1258730752000 1337401424000 2139842278400 2674802848000 4279684556800 5349605696000 10699211392000 21398422784000
• Sum of all divisors σ(n): 59271784266240
• Sum of proper divisors (its aliquot sum) s(n): 37873361482240
• 21398422784000 is an abundant number, because the sum of its proper divisors (37873361482240) is greater than itself. Its abundance is 16474938698240

Bases of 21398422784000

• Binary: 100110111011000110101011000111000100000000000₂
• Hexadecimal: 0x137635638800
• Base-36: 7L2ASFNCW

Squares and roots of 21398422784000

• 21398422784000 squared (21398422784000²) is 457892497642810310656000000
• 21398422784000 cubed (21398422784000³) is 9798177254182578445331468386304000000000
• The square root of 21398422784000 is 4625842.9268620871
• The cube root of 21398422784000 is 27762.6289011239

Scales and comparisons

• 21,398,422,784,000 seconds is equal to 680,403 years, 34 weeks, 8 hours, 53 minutes, 20 seconds.
• To count from 1 to 21,398,422,784,000 would take you about one million, seven hundred one thousand and nine 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 21398422784000 cubic inches would be around 2313.6 feet tall.

Recreational maths with 21398422784000

• 21398422784000 backwards is 00048722489312
• 21398422784000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21398422784000's digits is 50
• More coming soon!