20921049848134800

Names of 20921049848134800

• Cardinal: 20921049848134800 can be written as Twenty quadrillion, nine hundred twenty-one trillion, forty-nine billion, eight hundred forty-eight million, one hundred thirty-four thousand, eight hundred.

Scientific notation

• Scientific notation: 2.09210498481348 × 10¹⁶

Factors of 20921049848134800

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 129703

Divisors of 20921049848134800

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 25 26 28 30 35 36 39 40 42 45 48 50 52 56 60 63 65 70 72 75 78 80 84 90 91 100 104 105 107 112 117 120 126 130 140 144 150 156 168 175 180 182 195 200 208 210 214 225 234 240 252 260 273 280 300 312 315 321 325 336 350 360 364 390 400 420 428 450 455 468 504 520 525 535 546 560 585 600 624 630 642 650 700 720 728 749 780 819 840 856 900 910 936 963 975 1008 1040 1050 1070 1092 1170 1200 1260 1284 1300 1365 1391 1400 1456 1498 1560 1575 1605 1638 1680 1712 1800 1820 1872 1926 1950 2100 2140 2184 2247 2275 2340 2520 2568 2600 2675 2730 2782 2800 2925 2996 3120 3150 3210 3276 3600 3640 3745 3852 3900 4095 4173 4200 4280 4368 4494 4550 4680 4783 4815 5040 5136 5200 5350 5460 5564 5850 5992 6300 6420 6552 6741 6825 6955 7280 7490 7704 7800 8025 8190 8346 8400 8560 8988 9100 9360 9566 9630 9737 10700 10920 11128 11235 11700 11984 12519 12600 12840 13104 13482 13650 13910 14349 14980 15408 15600 16050 16380 16692 17976 18200 18725 19132 19260 19474 20475 20865 21400 21840 22256 22470 23400 23915 24075 25038 25200 25680 26964 27300 27820 28698 29211 29960 32100 32760 33384 33481 33705 34775 35952 36400 37450 38264 38520 38948 40950 41730 42800 43047 44940 46800 47830 48150 48685 50076 53928 54600 55640 56175 57396 58422 59920 62179 62595 64200 65520 66768 66962 67410 69550 71745 74900 76528 77040 77896 81900 83460 86094 87633 89880 95660 96300 97370 100152 100443 104325 107856 109200 111280 112350 114792 116844 119575 124358 124783 125190 128400 133924 134820 139100 143490 146055 149800 155792 163800 166920 167405 168525 172188 175266 179760 186537 191320 192600 194740 200304 200886 208650 215235 224700 229584 233688 239150 243425 248716 249566 250380 267848 269640 278200 286980 292110 299600 301329 310895 312975 327600 333840 334810 337050 344376 350532 358725 373074 374349 382640 385200 389480 401772 417300 430470 435253 438165 449400 467376 478300 486850 497432 499132 500760 502215 511781 535696 539280 556400 559611 573960 584220 602658 621790 623915 625950 669620 674100 688752 701064 717450 730275 746148 748698 778960 803544 834600 837025 860940 870506 873481 876330 898800 932685 956600 973700 994864 998264 1001520 1004430 1023562 1076175 1119222 1123047 1147920 1168440 1205316 1243580 1247830 1251900 1305759 1339240 1348200 1402128 1434900 1460550 1492296 1497396 1506645 1535343 1554475 1607088 1622179 1669200 1674050 1721880 1741012 1746962 1752660 1865370 1871745 1913200 1947400 1996528 2008860 2047124 2152350 2176265 2190825 2238444 2246094 2336880 2410632 2487160 2495660 2503800 2511075 2558905 2611518 2620443 2678480 2696400 2798055 2869800 2921100 2984592 2994792 3013290 3070686 3108950 3119575 3244358 3348100 3443760 3482024 3493924 3505320 3582467 3730740 3743490 3894800 3917277 4017720 4094248 4304700 4352530 4367405 4381650 4476888 4492188 4606029 4663425 4821264 4866537 4974320 4991320 5007600 5022150 5117810 5223036 5240886 5596110 5615235 5739600 5842200 5989584 6026580 6141372 6217900 6239150 6488716 6528795 6653153 6696200 6964048 6987848 7010640 7164934 7461480 7486980 7533225 7676715 7834554 7861329 8035440 8110895 8188496 8609400 8705060 8734810 8763300 8953776 8984376 9212058 9326850 9358725 9733074 9982640 10044300 10235620 10446072 10481772 10747401 10881325 11192220 11230470 11355253 11684400 12053160 12282744 12435800 12478300 12794525 12977432 13057590 13102215 13306306 13351781 13392400 13975696 13990275 14329868 14599611 14922960 14973960 15066450 15353430 15669108 15722658 16221790 17218800 17410120 17469620 17526600 17912335 17968752 18424116 18653700 18717450 19466148 19586385 19959459 20088600 20471240 20892144 20963544 21494802 21762650 21837025 22384440 22460940 22710506 23030145 24106320 24332685 24565488 24871600 24956600 25589050 25954864 26115180 26204430 26612612 26703562 27980550 28076175 28659736 29199222 29947920 30132900 30706860 31338216 31445316 32242203 32443580 32643975 33265765 34065759 34820240 34939240 35053200 35824670 36848232 37307400 37434900 38383575 38932296 39172770 39306645 39918918 40055343 40177200 40554475 40942480 41927088 42989604 43525300 43674050 44768880 44921880 45421012 46060290 46572071 48665370 49913200 51178100 52230360 52408860 53225224 53407124 53737005 55961100 56152350 56776265 57319472 58398444 59878377 60265800 61413720 62676432 62890632 64484406 64887160 65287950 65511075 66531530 66758905 68131518 69878480 71649340 72998055 73696464 74614800 74869800 76767150 77864592 78345540 78613290 79837836 80110686 81108950 85979208 87050600 87348100 89561675 89843760 90842024 92120580 93144142 93462467 97330740 97931925 99797295 102197277 102356200 104460720 104817720 106450448 106814248 107474010 111922200 112304700 113552530 115150725 116796888 119756754 120166029 120531600 121663425 122827440 125781264 128968812 129774320 130575900 131022150 133063060 133517810 136263036 139716213 143298680 145996110 149739600 153534300 156691080 157226580 159675672 160221372 161211015 162217900 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13885852240 13971621300 14019370050 14324090136 14580144852 14920927225 15517764314 15621583770 16022137200 16711438492 16765945560 16823244060 17357315300 17905112670 18225181065 18628828400 18692493400 19440193136 20439455400 20828778360 20889298115 20957431950 21029055075 21486135204 21870217278 22430992080 23276646471 23873483560 23951350800 24033205800 24300241420 24994534032 25067157738 26035972950 26857669005 27943242600 28038740100 28648180272 29160289704 29841854450 30375301775 31035528628 31243167540 33422876984 33531891120 33646488120 34714630600 35810225340 36450362130 37384986800 37600736607 38794410785 39053959425 40878910800 41657556720 41778596230 41914863900 42058110150 42972270408 43740434556 44762781675 46553292942 47746967120 48066411600 48600482840 50134315476 52071945900 53715338010 54312175099 54675543195 55886485200 56077480200 58320579408 59683708900 60750603550 62071057256 62486335080 62667894345 63861568523 66845753968 67292976240 69429261200 69829939413 71620450680 72900724260 75201473214 77588821570 78107918850 83557192460 83829727800 84116220300 85944540816 87480869112 89525563350 91125905325 93106585884 97200965680 100268630952 104143891800 104446490575 107430676020 108624350198 109351086390 112154960400 116383232355 119367417800 121501207100 124142114512 124972670160 125335788690 127723137046 134288345025 139659878826 143240901360 145801448520 150402946428 155177643140 156215837700 162936525297 167114384920 167659455600 168232440600 174961738224 179051126700 182251810650 186213171768 188003683035 191584705569 193972053925 200537261904 208287783600 208892981150 214861352040 217248700396 218702172780 232766464710 238734835600 243002414200 250671577380 255446274092 268576690050 271560875495 273377715975 279319757652 291602897040 300805892856 310355286280 312431675400 313339471725 319307842615 325873050594 334228769840 336464881200 349149697065 358102253400 364503621300 372426343536 376007366070 383169411138 387944107850 417785962300 429722704080 434497400792 437404345560 447030979661 465532929420 486004828400 488809575891 501343154760 510892548184 537153380100 543121750990 546755431950 558639515304 574754116707 581916161775 601611785712 620710572560 624863350800 626678943450 638615685230 651746101188 698299394130 716204506800 729007242600 752014732140 766338822276 775888215700 814682626485 830200390799 835571924600 868994801584 874808691120 894061959322 931065858840 940018415175 957923527845 977619151782 1002686309520 1021785096368 1074306760200 1086243501980 1093510863900 1117279030608 1149508233414 1163832323550 1253357886900 1277231370460 1303492202376 1341092938983 1357804377475 1396598788260 1458014485200 1504029464280 1532677644552 1551776431400 1596539213075 1629365252970 1660400781598 1671143849200 1745748485325 1788123918644 1862131717680 1880036830350 1915847055690 1955238303564 2148613520400 2172487003960 2187021727800 2235154898305 2299016466828 2327664647100 2444047879455 2490601172397 2506715773800 2554462740920 2606984404752 2682185877966 2715608754950 2793197576520 2873770583535 3008058928560 3065355289104 3103552862800 3193078426150 3258730505940 3320801563196 3491496970650 3576247837288 3760073660700 3831694111380 3910476607128 4023278816949 4073413132425 4151001953995 4344974007920 4374043455600 4470309796610 4598032933656 4655329294200 4789617639225 4888095758910 4981202344794 5013431547600 5108925481840 5364371755932 5431217509900 5586395153040 5747541167070 5811402735593 6386156852300 6517461011880 6641603126392 6705464694915 6982993941300 7152495674576 7471803517191 7520147321400 7663388222760 7820953214256 8046557633898 8146826264850 8302003907990 8940619593220 9196065867312 9310658588400 9579235278450 9776191517820 9962404689588 10728743511864 10862435019800 11175774491525 11495082334140 11622805471186 12220239397275 12453005861985 12772313704600 13034922023760 13283206252784 13410929389830 13965987882600 14368852917675 14943607034382 15040294642800 15326776445520 16093115267796 16293652529700 16604007815980 17434208206779 17881239186440 19158470556900 19552383035640 19924809379176 20116394084745 20755009769975 21457487023728 21724870039600 22351548983050 22990164668280 23245610942372 24440478794550 24906011723970 25544627409200 26821858779660 27931975765200 28737705835350 29057013677965 29887214068764 32186230535592 32587305059400 33208015631960 33527323474575 34868416413558 35762478372880 37359017585955 38316941113800 39104766071280 39849618758352 40232788169490 41510019539950 44703097966100 45980329336560 46491221884744 48880957589100 49812023447940 52302624620337 53643717559320 57475411670700 58114027355930 59774428137528 62265029309925 64372461071184 65174610118800 66416031263920 67054646949150 69736832827116 74718035171910 76633882227600 80465576338980 83020039079900 87171041033895 89406195932200 92982443769488 97761915178200 99624046895880 100581970423725 104605249240674 107287435118640 114950823341400 116228054711860 119548856275056 124530058619850 134109293898300 139473665654232 145285068389825 149436070343820 160931152677960 166040078159800 174342082067790 178812391864400 186795087929775 195523830356400 199248093791760 201163940847450 209210498481348 229901646682800 232456109423720 249060117239700 261513123101685 268218587796600 278947331308464 290570136779650 298872140687640 321862305355920 332080156319600 348684164135580 373590175859550 402327881694900 418420996962696 435855205169475 464912218847440 498120234479400 523026246203370 536437175593200 581140273559300 597744281375280 697368328271160 747180351719100 804655763389800 836841993925392 871710410338950 996240468958800 1046052492406740 1162280547118600 1307565615508425 1394736656542320 1494360703438200 1609311526779600 1743420820677900 2092104984813480 2324561094237200 2615131231016850 2988721406876400 3486841641355800 4184209969626960 5230262462033700 6973683282711600 10460524924067400 20921049848134800
• Sum of all divisors σ(n): 90210812026503168
• Sum of proper divisors (its aliquot sum) s(n): 69289762178368368
• 20921049848134800 is an abundant number, because the sum of its proper divisors (69289762178368368) is greater than itself. Its abundance is 48368712330233568

Bases of 20921049848134800

• Binary: 1001010010100111001010110000000100001101011110010010000₂
• Hexadecimal: 0x4A53958086BC90
• Base-36: 5PZW5MA2V80

Squares and roots of 20921049848134800

• 20921049848134800 squared (20921049848134800²) is 437690326748141138143038971040000
• 20921049848134800 cubed (20921049848134800³) is 9156941143944269148475621892756150055216192000000
• The square root of 20921049848134800 is 144641107.0482205623
• The cube root of 20921049848134800 is 275546.2414188655

Scales and comparisons

• 20,921,049,848,134,800 seconds is equal to 665,224,672 years, 5 weeks, 6 days, 17 hours.
• To count from 1 to 20,921,049,848,134,800 would take you about one billion, nine hundred ninety-five million, six hundred seventy-four thousand and sixteen 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 20921049848134800 cubic inches would be around 22962.2 feet tall.

Recreational maths with 20921049848134800

• 20921049848134800 backwards is 00843184894012902
• 20921049848134800 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20921049848134800's digits is 63
• More coming soon!