21368439295492800

Names of 21368439295492800

• Cardinal: 21368439295492800 can be written as Twenty-one quadrillion, three hundred sixty-eight trillion, four hundred thirty-nine billion, two hundred ninety-five million, four hundred ninety-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13684392954928 × 10¹⁶

Factors of 21368439295492800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 4219

Divisors of 21368439295492800

• Number of divisors d(n): 1134
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 49 50 56 60 64 70 73 75 80 84 96 98 100 105 112 120 140 146 147 150 160 168 175 192 196 200 210 219 224 240 245 280 292 294 300 320 336 350 365 392 400 420 438 448 480 490 511 525 560 584 588 600 672 700 730 735 784 800 840 876 960 980 1022 1050 1095 1120 1168 1176 1200 1225 1344 1400 1460 1470 1533 1568 1600 1680 1752 1825 1960 2044 2100 2190 2240 2336 2352 2400 2450 2555 2800 2920 2940 3066 3136 3360 3504 3577 3650 3675 3920 4088 4129 4200 4380 4672 4704 4800 4900 5110 5329 5475 5600 5840 5880 6132 6720 7008 7154 7300 7350 7665 7840 8176 8258 8400 8760 9408 9800 10220 10658 10731 10950 11200 11680 11760 12264 12387 12775 14016 14308 14600 14700 15330 15680 15987 16352 16516 16800 17520 17885 19600 20440 20645 21316 21462 21900 23360 23520 24528 24774 25550 26645 28616 28903 29200 29400 30660 31974 32704 33032 33600 35040 35770 37303 38325 39200 40880 41290 42632 42924 43800 47040 49056 49548 51100 53290 53655 57232 57806 58400 58800 61320 61935 63948 66064 70080 71540 74606 76650 78400 79935 81760 82580 85264 85848 86709 87600 89425 98112 99096 102200 103225 106580 107310 111909 114464 115612 116800 117600 122640 123870 127896 132128 133225 143080 144515 149212 153300 159870 163520 165160 170528 171696 173418 175200 178850 186515 198192 202321 204400 206450 213160 214620 223818 228928 231224 235200 245280 247740 255792 261121 264256 266450 268275 286160 289030 298424 301417 306600 309675 319740 330320 341056 343392 346836 350400 357700 373030 396384 399675 404642 408800 412900 426320 429240 433545 447636 462448 490560 495480 511584 522242 532900 536550 559545 572320 578060 596848 602834 606963 613200 619350 639480 660640 686784 693672 715400 722575 746060 783363 792768 799350 809284 817600 825800 852640 858480 867090 895272 904251 924896 932575 990960 1011605 1023168 1044484 1065800 1073100 1119090 1144640 1156120 1193696 1205668 1213926 1226400 1238700 1278960 1305605 1321280 1387344 1430800 1445150 1492120 1507085 1566726 1598700 1618568 1651600 1705280 1716960 1734180 1790544 1808502 1849792 1865150 1981920 2023210 2088968 2109919 2131600 2146200 2167725 2238180 2312240 2387392 2411336 2427852 2452800 2477400 2557920 2611210 2774688 2797725 2861600 2890300 2984240 3014170 3034815 3133452 3197400 3237136 3303200 3433920 3468360 3581088 3617004 3730300 3916815 3963840 4046420 4177936 4219838 4263200 4292400 4335450 4476360 4521255 4624480 4822672 4855704 4954800 5058025 5115840 5222420 5549376 5595450 5723200 5780600 5968480 6028340 6069630 6266904 6329757 6394800 6474272 6528025 6606400 6936720 7162176 7234008 7460600 7535425 7833630 8092840 8355872 8439676 8526400 8584800 8670900 8952720 9042510 9248960 9645344 9711408 9909600 10116050 10444840 10549595 11190900 11561200 11936960 12056680 12139260 12533808 12659514 12789600 12948544 13056050 13873440 14468016 14769433 14921200 15070850 15174075 15667260 16185680 16711744 16879352 17048641 17169600 17341800 17905440 18085020 19290688 19422816 19584075 19819200 20232100 20889680 21099190 22003441 22381800 22606275 23122400 24113360 24278520 25067616 25319028 25579200 26112100 27746880 28936032 29538866 29842400 30141700 30348150 31334520 31648785 32371360 33758704 34097282 34683600 35810880 36170040 38845632 39168150 40464200 41779360 42198380 44006882 44308299 44763600 45212550 46244800 48226720 48557040 50135232 50638056 51145923 52224200 52747975 57872064 59077732 59684800 60283400 60696300 62669040 63297570 64742720 66010323 67517408 68194564 69367200 72340080 73847165 78336300 80928400 83558720 84396760 85243205 88013764 88616598 89527200 90425100 96453440 97114080 101276112 102291846 104448400 105495950 110017205 118155464 119340487 120566800 121392600 125338080 126595140 132020646 135034816 136389128 138734400 144680160 147694330 154024087 156672600 158243925 161856800 168793520 170486410 176027528 177233196 179054400 180850200 194228160 202552224 204583692 208896800 210991900 220034410 221541495 236310928 238680974 241133600 242785200 250676160 253190280 255729615 264041292 272778256 289360320 295388660 308048174 313345200 316487850 323713600 330051615 337587040 340972820 352055056 354466392 358021461 361700400 369235825 405104448 409167384 417793600 421983800 426216025 440068820 443082990 462072261 472621856 477361948 482267200 485570400 506380560 511459230 528082584 545556512 550086025 590777320 596702435 616096348 626690400 632975700 660103230 675174080 681945640 704110112 708932784 716042922 723400800 738471650 770120435 818334768 835383409 843967600 852432050 880137640 886165980 924144522 945243712 954723896 971140800 1012761120 1022918460 1056165168 1078168609 1091113024 1100172050 1107707475 1181554640 1193404870 1232192696 1244550793 1253380800 1265951400 1278648075 1320206460 1363891280 1408220224 1417865568 1432085844 1446801600 1476943300 1540240870 1636669536 1650258075 1670766818 1687935200 1704864100 1760275280 1772331960 1790107305 1848289044 1909447792 2025522240 2045836920 2112330336 2156337218 2200344100 2215414950 2310361305 2363109280 2386809740 2464385392 2489101586 2506150227 2531902800 2557296150 2640412920 2727782560 2835731136 2864171688 2953886600 2983512175 3080481740 3234505827 3273339072 3300516150 3341533636 3375870400 3409728200 3520550560 3544663920 3580214610 3696578088 3733652379 3818895584 3850602175 4091673840 4176917045 4224660672 4312674436 4400688200 4430829900 4620722610 4726218560 4773619480 4928770784 4978203172 5012300454 5063805600 5114592300 5280825840 5390843045 5455565120 5728343376 5907773200 5967024350 6160963480 6222753965 6469011654 6601032300 6683067272 6819456400 7041101120 7089327840 7160429220 7393156176 7467304758 7637791168 7701204350 8183347680 8353834090 8625348872 8711855551 8801376400 8861659800 8950536525 9241445220 9547238960 9857541568 9956406344 10024600908 10127611200 10229184600 10561651680 10781686090 11456686752 11551806525 11815546400 11934048700 12321926960 12445507930 12530751135 12938023308 13202064600 13366134544 13638912800 14178655680 14320858440 14786312352 14934609516 15402408700 16172529135 16366695360 16707668180 17250697744 17423711102 17602752800 17723319600 17901073050 18482890440 18668261895 19094477920 19912812688 20049201816 20458369200 20884585225 21123303360 21563372180 22913373504 23103613050 23631092800 23868097400 24643853920 24891015860 25061502270 25876046616 26135566653 26404129200 26732269088 26954215225 27277825600 28641716880 29572624704 29869219032 30804817400 31113769825 32345058270 33415336360 34501395488 34847422204 35205505600 35446639200 35802146100 36965780880 37336523790 38188955840 39825625376 40098403632 40916738400 41769170450 43126744360 43559277755 46207226100 47736194800 49287707840 49782031720 50123004540 51752093232 52271133306 52808258400 53464538176 53908430450 57283433760 59738438064 60982988857 61609634800 62227539650 62653755675 64690116540 66830672720 69002790976 69694844408 70893278400 71604292200 73931561760 74673047580 79651250752 80196807264 80862645675 81833476800 83538340900 86253488720 87118555510 90852207889 92414452200 93341309475 95472389600 99564063440 100246009080 103504186464 104542266612 105616516800 107816860900 114566867520 119476876128 121965977714 123219269600 124455079300 125307511350 129380233080 130677833265 133661345440 139389688816 143208584400 147863123520 149346095160 160393614528 161725291350 167076681800 172506977440 174237111020 181704415778 182948966571 184828904400 186682618950 190944779200 199128126880 200492018160 207008372928 209084533224 215633721800 217796388775 238953752256 243931955428 246438539200 248910158600 250615022700 258760466160 261355666530 267322690880 272556623667 278779377632 286417168800 298692190320 304914944285 323450582700 334153363600 345013954880 348474222040 363408831556 365897933142 369657808800 373365237900 398256253760 400984036320 418169066448 431267443600 435592777550 454261039445 487863910856 497820317200 501230045400 517520932320 522711333060 545113247334 557558755264 572834337600 597384380640 609829888570 635965455223 646901165400 653389166325 668306727200 696948444080 726817663112 731795866284 739315617600 746730475800 801968072640 836338132896 862534887200 871185555100 908522078890 914744832855 975727821712 995640634400 1002460090800 1035041864640 1045422666120 1090226494668 1194768761280 1219659777140 1271930910446 1293802330800 1306778332650 1336613454400 1362783118335 1393896888160 1453635326224 1463591732568 1493460951600 1524574721425 1672676265792 1725069774400 1742371110200 1817044157780 1829489665710 1907896365669 1951455643424 1991281268800 2004920181600 2090845332240 2180452989336 2271305197225 2439319554280 2543861820892 2587604661600 2613556665300 2725566236670 2787793776320 2907270652448 2927183465136 2986921903200 3049149442850 3179827276115 3484742220400 3634088315560 3658979331420 3815792731338 3902911286848 4009840363200 4181690664480 4360905978672 4451758186561 4542610394450 4573724164275 4878639108560 5087723641784 5175209323200 5227113330600 5451132473340 5814541304896 5854366930272 5973843806400 6098298885700 6359654552230 6813915591675 6969484440800 7268176631120 7317958662840 7631585462676 8363381328960 8721811957344 8903516373122 9085220788900 9147448328550 9539481828345 9757278217120 10175447283568 10454226661200 10902264946680 11708733860544 12196597771400 12719309104460 13355274559683 13627831183350 13938968881600 14536353262240 14635917325680 15263170925352 15899136380575 17443623914688 17807032746244 18170441577800 18294896657100 19078963656690 19514556434240 20350894567136 20908453322400 21804529893360 22258790932805 24393195542800 25438618208920 26710549119366 27255662366700 29072706524480 29271834651360 30526341850704 31798272761150 35614065492488 36340883155600 36589793314200 38157927313380 40701789134272 41816906644800 43609059786720 44517581865610 47697409141725 48786391085600 50877236417840 53421098238732 54511324733400 58543669302720 61052683701408 63596545522300 66776372798415 71228130984976 72681766311200 73179586628400 76315854626760 87218119573440 89035163731220 95394818283450 97572782171200 101754472835680 106842196477464 109022649466800 111293954664025 122105367402816 127193091044600 133552745596830 142456261969952 145363532622400 146359173256800 152631709253520 178070327462440 190789636566900 203508945671360 213684392954928 218045298933600 222587909328050 254386182089200 267105491193660 284912523939904 292718346513600 305263418507040 333881863992075 356140654924880 381579273133800 427368785909856 436090597867200 445175818656100 508772364178400 534210982387320 610526837014080 667763727984150 712281309849760 763158546267600 854737571819712 890351637312200 1017544728356800 1068421964774640 1335527455968300 1424562619699520 1526317092535200 1780703274624400 2136843929549280 2671054911936600 3052634185070400 3561406549248800 4273687859098560 5342109823873200 7122813098497600 10684219647746400 21368439295492800
• Sum of all divisors σ(n): 82704699749970468
• Sum of proper divisors (its aliquot sum) s(n): 61336260454477668
• 21368439295492800 is an abundant number, because the sum of its proper divisors (61336260454477668) is greater than itself. Its abundance is 39967821158984868

Bases of 21368439295492800

• Binary: 1001011111010100111101101111001100111001100001011000000₂
• Hexadecimal: 0x4BEA7B799CC2C0
• Base-36: 5UEH9HRS79C

Squares and roots of 21368439295492800

• 21368439295492800 squared (21368439295492800²) is 456610197925160830794394851840000
• 21368439295492800 cubed (21368439295492800³) is 9757047296066751671479312275219036835786752000000
• The square root of 21368439295492800 is 146179476.3141967207
• The cube root of 21368439295492800 is 277496.5583340393

Scales and comparisons

• 21,368,439,295,492,800 seconds is equal to 679,450,272 years, 35 weeks, 9 hours, 20 minutes.
• To count from 1 to 21,368,439,295,492,800 would take you about two billion, thirty-eight million, three hundred fifty thousand, eight hundred eighteen 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 21368439295492800 cubic inches would be around 23124.7 feet tall.

Recreational maths with 21368439295492800

• 21368439295492800 backwards is 00829459293486312
• 21368439295492800 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21368439295492800's digits is 75
• More coming soon!