21044321715748864

Names of 21044321715748864

• Cardinal: 21044321715748864 can be written as Twenty-one quadrillion, forty-four trillion, three hundred twenty-one billion, seven hundred fifteen million, seven hundred forty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1044321715748864 × 10¹⁶

Factors of 21044321715748864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 280

Divisors of 21044321715748864

• Number of divisors d(n): 1200
• Complete list of divisors:
  1 2 4 8 13 16 17 19 26 32 34 38 52 64 68 76 104 128 136 152 169 208 221 229 247 256 272 304 323 338 361 416 442 458 494 512 544 608 646 676 722 832 884 916 988 1024 1088 1216 1292 1352 1444 1664 1768 1832 1976 2048 2176 2197 2432 2584 2704 2873 2888 2977 3211 3328 3536 3664 3893 3952 4096 4199 4351 4352 4394 4693 4864 5168 5408 5746 5776 5954 6137 6422 6656 7072 7328 7786 7904 8192 8398 8702 8704 8788 9386 9728 10336 10816 11492 11552 11908 12274 12844 13312 14144 14656 15572 15808 16384 16796 17404 17408 17576 18772 19456 20672 21632 22984 23104 23816 24548 25688 26624 28288 28561 29312 31144 31616 32768 33592 34808 34816 35152 37349 37544 38701 38912 41344 41743 43264 45968 46208 47632 49096 50609 51376 53248 54587 56563 56576 57122 58624 61009 62288 63232 65536 67184 69616 69632 70304 73967 74698 75088 77402 77824 79781 82669 82688 83486 86528 91936 92416 95264 98192 101218 102752 106496 109174 113126 113152 114244 117248 122018 124576 126464 131072 134368 139232 139264 140608 147934 149396 150176 154804 155648 159562 165338 165376 166972 173056 183872 184832 190528 196384 202436 205504 212992 218348 226252 226304 228488 234496 244036 249152 252928 262144 268736 278464 278528 281216 295868 298792 300352 309608 311296 319124 330676 330752 333944 346112 367744 369664 381056 392768 404872 411008 425984 436696 452504 452608 456976 468992 485537 488072 498304 503113 505856 524288 537472 542659 556928 557056 562432 591736 597584 600704 619216 622592 638248 657917 661352 661504 667888 692224 709631 735319 735488 739328 762112 785536 793117 809744 822016 851968 873392 905008 905216 913952 937984 961571 971074 976144 996608 1006226 1011712 1037153 1074697 1074944 1085318 1113856 1114112 1124864 1183472 1195168 1201408 1238432 1245184 1276496 1315834 1322704 1323008 1335776 1384448 1405373 1419262 1470638 1470976 1478656 1524224 1571072 1586234 1619488 1644032 1703936 1746784 1810016 1810432 1827904 1875968 1923142 1942148 1952288 1993216 2012452 2023424 2074306 2149394 2149888 2170636 2227712 2228224 2249728 2366944 2390336 2402816 2476864 2490368 2552992 2631668 2645408 2646016 2671552 2768896 2810746 2838524 2941276 2941952 2957312 3048448 3142144 3172468 3238976 3288064 3407872 3493568 3620032 3620864 3655808 3751936 3846284 3884296 3904576 3986432 4024904 4046848 4148612 4298788 4299776 4341272 4455424 4456448 4499456 4733888 4780672 4805632 4953728 4980736 5105984 5263336 5290816 5292032 5343104 5537792 5621492 5677048 5882552 5883904 5914624 6096896 6284288 6344936 6477952 6540469 6576128 6815744 6987136 7240064 7241728 7311616 7503872 7692568 7768592 7809152 7972864 8049808 8093696 8297224 8552921 8597576 8599552 8682544 8910848 8912896 8998912 9225203 9467776 9559147 9561344 9611264 9907456 9961472 10211968 10310521 10526672 10581632 10584064 10686208 11075584 11242984 11354096 11765104 11767808 11829248 12193792 12500423 12568576 12689872 12955904 13080938 13152256 13482989 13971061 13974272 14480128 14483456 14623232 15007744 15385136 15537184 15618304 15945728 16099616 16187392 16594448 17105842 17195152 17199104 17365088 17821696 17997824 18269849 18450406 18935552 19118294 19122688 19222528 19814912 20423936 20621042 21053344 21163264 21168128 21372416 22151168 22485968 22708192 23530208 23535616 23658496 24387584 25000846 25137152 25379744 25911808 26161876 26304512 26965978 27942122 27948544 28960256 28966912 29246464 30015488 30770272 31074368 31236608 31891456 32199232 32374784 33188896 34211684 34390304 34398208 34730176 35643392 35995648 36539698 36900812 37871104 38236588 38245376 38445056 39629824 40847872 41242084 42106688 42326528 42336256 42744832 44302336 44971936 45416384 47060416 47071232 47316992 48775168 50001692 50274304 50759488 51823616 52323752 52609024 53931956 55884244 55897088 57920512 57933824 58492928 60030976 61540544 62148736 62473216 63782912 64398464 64749568 66377792 68423368 68780608 68796416 69460352 71286784 71991296 73079396 73801624 75742208 76473176 76490752 76890112 79259648 81695744 82484168 84213376 84653056 84672512 85489664 88604672 89943872 90832768 94120832 94142464 94633984 97550336 100003384 100548608 101518976 103647232 104647504 105218048 107863912 111187973 111768488 111794176 115841024 115867648 116985856 120061952 123081088 124268911 124297472 124946432 127565824 128796928 129499136 132755584 136846736 137561216 137592832 138920704 142573568 143982592 146158792 147603248 151484416 152946352 152981504 153780224 158519296 162505499 163391488 164968336 168426752 169306112 169345024 170979328 175278857 179887744 181623793 181665536 188241664 188284928 189267968 195100672 200006768 201097216 203037952 207294464 209295008 210436096 215727824 222375946 223536976 223588352 231682048 233971712 237508037 246162176 248537822 248594944 249892864 255131648 257593856 265511168 273693472 275122432 275185664 277841408 285147136 287965184 292317584 295206496 302968832 305892704 305963008 307560448 317038592 325010998 326782976 329936672 336853504 338612224 341958656 350557714 359775488 363247586 363331072 376483328 376569856 390201344 400013536 402194432 406075904 414588928 418590016 420872192 431455648 444751892 447073952 447176704 463364096 467943424 475016074 492324352 497075644 497189888 499785728 510263296 515187712 531022336 547386944 550244864 550371328 555682816 570294272 575930368 584635168 590412992 605937664 611785408 611926016 615120896 634077184 650021996 653565952 659873344 673707008 677224448 683917312 701115428 719550976 726495172 726662144 752966656 753139712 780402688 800027072 804388864 812151808 829177856 837180032 841744384 862911296 889503784 894147904 894353408 926728192 935886848 950032148 984648704 994151288 994379776 999571456 1020526592 1030375424 1062044672 1094773888 1100489728 1100742656 1111365632 1140588544 1151860736 1169270336 1180825984 1211875328 1223570816 1223852032 1230241792 1268154368 1300043992 1307131904 1319746688 1347414016 1354448896 1367834624 1402230856 1439101952 1452990344 1453324288 1505933312 1506279424 1560805376 1600054144 1608777728 1624303616 1658355712 1674360064 1683488768 1725822592 1779007568 1788295808 1788706816 1853456384 1871773696 1900064296 1969297408 1988302576 1988759552 1999142912 2041053184 2060750848 2112571487 2124089344 2189547776 2200979456 2201485312 2222731264 2281177088 2338540672 2361109309 2361651968 2423750656 2447141632 2447704064 2460483584 2536308736 2600087984 2614263808 2639493376 2694828032 2708897792 2735669248 2804461712 2878203904 2905980688 2906648576 3011866624 3087604481 3200108288 3217555456 3248607232 3316711424 3348720128 3451645184 3558015136 3576591616 3577413632 3706912768 3743547392 3800128592 3938594816 3976605152 3977519104 3998285824 4121501696 4225142974 4248178688 4379095552 4401958912 4445462528 4677081344 4722218618 4723303936 4847501312 4894283264 4895408128 5072617472 5200175968 5228527616 5278986752 5389656064 5417795584 5471338496 5608923424 5756407808 5811961376 5813297152 6023733248 6175208962 6400216576 6497214464 6633422848 6697440256 6903290368 7116030272 7153183232 7154827264 7413825536 7487094784 7600257184 7877189632 7953210304 7955038208 7996571648 8243003392 8450285948 8496357376 8758191104 8803917824 8890925056 9354162688 9444437236 9446607872 9695002624 9788566528 9790816256 10145234944 10400351936 10457055232 10557973504 10779312128 10835591168 10942676992 11217846848 11512815616 11623922752 11626594304 12047466496 12350417924 12800433152 12994428928 13266845696 13394880512 13806580736 14232060544 14306366464 14309654528 14827651072 14974189568 15200514368 15754379264 15906420608 15910076416 15993143296 16486006784 16900571896 16992714752 17516382208 17607835648 17781850112 18708325376 18888874472 18893215744 19390005248 19577133056 19581632512 20290469888 20800703872 20914110464 21115947008 21558624256 21671182336 21885353984 22435693696 23025631232 23247845504 23253188608 24094932992 24700835848 25600866304 25988857856 26533691392 26789761024 27613161472 28464121088 28612732928 28619309056 29655302144 30401028736 31508758528 31812841216 31820152832 31986286592 32972013568 33801143792 33985429504 35032764416 35215671296 35563700224 37416650752 37777748944 37786431488 38780010496 39154266112 40138858253 41601407744 41828220928 42231894016 43117248512 43342364672 44871387392 46051262464 46495691008 46506377216 48189865984 49401671696 51201732608 51977715712 53579522048 55226322944 56928242176 57225465856 60802057472 63017517056 63625682432 63640305664 65944027136 67602287584 67970859008 70065528832 70431342592 71127400448 74833301504 75555497888 75572862976 78308532224 80277716506 83202815488 84463788032 86234497024 89742774784 92102524928 92991382016 93012754432 96379731968 98803343392 102403465216 103955431424 107159044096 110452645888 113856484352 114450931712 121604114944 126035034112 127251364864 127280611328 131888054272 135204575168 135941718016 140131057664 140862685184 142254800896 149666603008 151110995776 151145725952 156617064448 160555433012 166405630976 168927576064 172468994048 179485549568 184205049856 185982764032 186025508864 192759463936 197606686784 204806930432 207910862848 214318088192 220905291776 227712968704 228901863424 243208229888 252070068224 254502729728 254561222656 263776108544 270409150336 271883436032 280262115328 281725370368 284509601792 299333206016 302221991552 302291451904 313234128896 321110866024 332811261952 337855152128 344937988096 358971099136 368410099712 371965528064 372051017728 385518927872 395213373568 409613860864 415821725696 428636176384 441810583552 455425937408 457803726848 486416459776 504140136448 509005459456 540818300672 543766872064 560524230656 563450740736 598666412032 604443983104 604582903808 626468257792 642221732048 665622523904 675710304256 717942198272 736820199424 743931056128 790426747136 819227721728 857272352768 883621167104 910851874816 915607453696 972832919552 1018010918912 1081636601344 1121048461312 1197332824064 1208887966208 1209165807616 1252936515584 1284443464096 1331245047808 1351420608512 1435884396544 1487862112256 1580853494272 1638455443456 1714544705536 1767242334208 1821703749632 1831214907392 1945665839104 2036021837824 2163273202688 2242096922624 2394665648128 2417775932416 2418331615232 2505873031168 2568886928192 2662490095616 2702841217024 2871768793088 2975724224512 3161706988544 3276910886912 3429089411072 3534484668416 3643407499264 3662429814784 3891331678208 4072043675648 4326546405376 4484193845248 4789331296256 4835551864832 4836663230464 5011746062336 5137773856384 5324980191232 5405682434048 5743537586176 5951448449024 6323413977088 6553821773824 7068969336832 7286814998528 7324859629568 7782663356416 8144087351296 8653092810752 9578662592512 9671103729664 10275547712768 10649960382464 11487075172352 11902896898048 12646827954176 14573629997056 15565326712832 16288174702592 17306185621504 19342207459328 20551095425536 21299920764928 22974150344704 23805793796096 25293655908352 29147259994112 31130653425664 32576349405184 34612371243008 38684414918656 41102190851072 42599841529856 45948300689408 47611587592192 50587311816704 58294519988224 62261306851328 65152698810368 69224742486016 77368829837312 82204381702144 85199683059712 91896601378816 95223175184384 101174623633408 124522613702656 138449484972032 154737659674624 164408763404288 202349247266816 276898969944064 309475319349248 328817526808576 404698494533632 553797939888128 618950638698496 657635053617152 809396989067264 1107595879776256 1237901277396992 1315270107234304 1618793978134528 2630540214468608 5261080428937216 10522160857874432 21044321715748864
• Sum of all divisors σ(n): 51175154407360500
• Sum of proper divisors (its aliquot sum) s(n): 30130832691611636
• 21044321715748864 is an abundant number, because the sum of its proper divisors (30130832691611636) is greater than itself. Its abundance is 9086510975862772

Bases of 21044321715748864

• Binary: 1001010110000111011001011111000011010000000000000000000₂
• Hexadecimal: 0x4AC3B2F8680000
• Base-36: 5R7L7XL9S74

Squares and roots of 21044321715748864

• 21044321715748864 squared (21044321715748864²) is 442863476475939211099124317290496
• 21044321715748864 cubed (21044321715748864³) is 9319761475114643729600948629221469568664069996544
• The square root of 21044321715748864 is 145066611.3058027699
• The cube root of 21044321715748864 is 276086.3768878385

Scales and comparisons

• 21,044,321,715,748,864 seconds is equal to 669,144,336 years, 10 weeks, 2 days, 17 hours, 21 minutes, 4 seconds.
• To count from 1 to 21,044,321,715,748,864 would take you about two billion, seven million, four hundred thirty-three thousand and 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 21044321715748864 cubic inches would be around 23007.2 feet tall.

Recreational maths with 21044321715748864

• 21044321715748864 backwards is 46884751712344012
• The number of decimal digits it has is: 17
• The sum of 21044321715748864's digits is 67
• More coming soon!