21345642865691001

Names of 21345642865691001

• Cardinal: 21345642865691001 can be written as Twenty-one quadrillion, three hundred forty-five trillion, six hundred forty-two billion, eight hundred sixty-five million, six hundred ninety-one thousand and one.

Scientific notation

• Scientific notation: 2.1345642865691001 × 10¹⁶

Factors of 21345642865691001

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 120

Divisors of 21345642865691001

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 3 9 11 13 23 27 29 33 39 41 69 87 99 117 121 123 143 169 207 253 261 297 299 319 351 363 369 377 429 451 507 533 621 667 759 783 841 897 943 957 1089 1107 1131 1189 1287 1353 1521 1573 1599 1681 1859 2001 2277 2523 2691 2783 2829 2871 3267 3289 3393 3509 3567 3861 3887 4059 4147 4563 4719 4797 4901 4961 5043 5577 5863 6003 6831 6929 7337 7569 8073 8349 8487 8613 8671 9251 9867 10179 10373 10527 10701 10933 11661 12177 12259 12441 13079 14157 14391 14703 14883 15129 15457 16731 17589 18009 18491 19343 20449 20787 21853 22011 22707 24389 25047 25461 26013 27347 27753 29601 31119 31581 32103 32799 34481 34983 36179 36777 37323 38663 39237 42471 42757 44109 44649 45387 45617 46371 48749 50193 52767 53911 55473 58029 61347 62361 64493 65559 66033 68921 73167 75141 76219 78039 80707 82041 83259 88803 93357 94743 95381 98397 101761 103443 104949 108537 110331 111969 112723 114103 115989 117711 120263 128271 132327 133947 134849 136851 139113 142129 143869 146247 158301 159367 161733 166419 170027 174087 184041 187083 193479 196677 198099 200941 203401 206763 212773 219501 228657 234117 240383 242121 246123 249777 251459 268279 280071 284089 286143 295191 300817 305283 310329 317057 325611 330993 338169 342309 347967 353133 355511 360789 379291 384813 404547 410553 417339 425293 426387 431607 438741 448253 470327 478101 485199 499257 502619 510081 522261 536239 552123 560947 580437 590031 593021 602823 610203 620289 633737 638319 658503 685971 721149 726363 738369 754377 758131 793063 804837 838409 852267 858429 895973 902451 915849 930987 951171 976833 999949 1014507 1026927 1043901 1049191 1066533 1082367 1121227 1137873 1154439 1213641 1231659 1239953 1275879 1279161 1294821 1316223 1322893 1344759 1410981 1413721 1434303 1455597 1483339 1507857 1530243 1563419 1585183 1608717 1682841 1741311 1753037 1779063 1808469 1830609 1860867 1870297 1901211 1914957 1998709 2057913 2163447 2179089 2210351 2263131 2274393 2340503 2379189 2414511 2515227 2556801 2575287 2644213 2687919 2707353 2747547 2766049 2853513 2951069 2999847 3043521 3080781 3124979 3147573 3199599 3247101 3268967 3308987 3363681 3413619 3487627 3640923 3719859 3827637 3837483 3884463 3910621 3968679 4034277 4121741 4172201 4232943 4241163 4302909 4450017 4523571 4590729 4621643 4678223 4690257 4755549 4826151 4930783 5048523 5259111 5337189 5425407 5491827 5528809 5610891 5703633 5744871 5827289 5898629 5996127 6170417 6490341 6534047 6631053 6789393 6823179 6971107 7021509 7137567 7243533 7292311 7545681 7670403 7932639 8063757 8122059 8238581 8298147 8339441 8560539 8723693 8853207 8999541 9374937 9442719 9598797 9806901 9855703 9926961 10091043 10240857 10309819 10462881 10999439 11159577 11482911 11647649 11731863 11906037 12102831 12333497 12365223 12516603 12698829 12723489 12999337 13350051 13570713 13639483 13864929 14034669 14070771 14266647 14478453 14575951 14792349 15145569 15550931 15777333 16011567 16586427 16832673 17110899 17197609 17437013 17481867 17695887 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470799351 481006383 488147517 496216071 498730661 505673377 506974143 513180723 520651989 521663049 532972817 547352091 556399233 559218803 568462089 575421429 576901611 593616573 597613991 606486309 610871283 620968329 637588171 646870653 656474247 680043507 690139593 701546859 705101969 716756547 721938789 725531367 753513293 758961291 790619687 803687781 815619519 821516553 853200387 857446161 863645607 877920741 882369631 896954253 928118763 942951907 970883199 975714597 996868301 1013345463 1020672081 1035825219 1042800473 1073014239 1088944461 1106943543 1153117251 1161454437 1186635021 1206248823 1221016203 1224157077 1241198289 1247488099 1268107737 1286934363 1333138903 1352930997 1372627971 1409365529 1443019149 1464442551 1474304117 1496191983 1517020131 1520922429 1539542169 1564989147 1572919777 1598918451 1642056273 1677656409 1680914269 1705386267 1726264287 1730704833 1763690071 1792841973 1819458927 1832613849 1858905191 1912764513 1940611959 2040130521 2070418779 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9431907771 9657128151 9795672809 9866496783 10372470977 10679715189 11146800093 11227392891 11412969633 11470805203 11660405289 11803156629 11998250127 12176378973 12258374791 12684289761 13268737053 13465727847 13653181179 13949185107 14156277993 14390266059 14664527933 14882240967 15098907681 15128228421 15873210639 16135577757 16217345287 16485400581 16687221441 16730146719 17214880617 17330805739 17588102961 18490056959 18759248937 19037753163 19721261703 20014048197 20344858911 20447957101 20785939863 21040409643 21346731549 21851885497 22441435731 22927970923 23306945649 23652966051 23823980037 24865938669 25045722603 25459701489 26521696773 26915444127 28155612771 28295723313 28909180729 29387018427 29599490349 31117412931 32415407167 33440400279 33682178673 34412415609 34981215867 35409469887 35994750381 36177154871 36775124373 38052869283 38661028187 39806211159 40871600341 41847555321 42468833979 42754819393 43993583799 44646722901 45384685263 47619631917 48652035861 49456201743 50061664323 50190440157 51147012059 51992417217 52764308883 55470170877 56277746811 59163785109 60042144591 60446468797 61343871303 62357819589 63121228929 64489710857 65555656491 67324307193 68783912769 69920836947 70958898153 72311292911 74597816007 75137167809 76215112831 79565090319 84887169939 85458800713 86727542187 88161055281 88798471047 91175108453 93352238793 97246221501 100321200837 103237246827 104943647601 106228409661 107752400899 108531464613 110325373119 114097180747 115983084561 122614801023 125542665963 128264458179 131980751397 133940168703 134842122701 145956107583 148368605229 150184992969 153441036177 155977251651 158292926649 159358872283 161309807263 166410512631 177491355327 181339406391 184031613909 187073458767 189363686787 190638863129 193469132571 196666969473 203390626549 206351738307 209762510841 216933878733 223793448021 225300474607 228645338493 240370740467 256376402139 260182626561 264483165843 273525325359 280056716379 284074511461 291738664503 309711740481 323257202697 325594393839 330976119357 342291542241 347949253683 367844403069 384793374537 395942254191 404526368103 425271310057 437868322749 460323108531 467931754953 470303013323 478076616849 483929421789 499231537893 502593366431 544018219173 552094841727 571916589387 580407397713 590000908419 610171879647 619055214921 650801636199 664911156767 675901423821 685936015479 721112221401 769129206417 780547879683 820575976077 838366241141 852223534383 875215993509 940046807843 969771608091 976783181517 1026874626723 1043847761049 1103533209207 1154380123611 1185276409889 1213579104309 1275813930171 1380969325593 1410909039969 1434229850547 1451788265367 1483263349711 1507780099293 1632054657519 1715749768161 1741222193139 1752947595113 1830515638941 1952404908597 1994733470301 2027704271463 2057808046437 2097027494419 2163336664203 2307387619251 2461727928231 2478305220677 2515098723423 2556670603149 2644078145137 2820140423529 2909314824273 3080623880169 3124819626071 3555829229667 3640737312927 3827441790513 4232727119907 4302689551641 4355364796101 4449790049133 4523340297879 4677984410627 5147249304483 5258842785339 5491546916823 5528527030741 5984200410903 6083112814389 6291082483257 6490009992609 6533713763603 7434915662031 7545296170269 7670011809447 7932234435411 8460421270587 9374458878213 10667487689001 11482325371539 12698181359721 13349370147399 13570020893637 14033953231881 15776528356017 16585581092223 17952601232709 18873247449771 19282423546243 19601141290809 22304746986093 22635888510807 23796703306233 25381263811761 27261357427447 28123376634639 32002463067003 34373015886781 40048110442197 42101859695643 47329585068051 49756743276669 56619742349313 57847270638729 58803423872427 60813797338151 66914240958279 71390109918699 71870851399633 81784072282341 84370129903917 103119047660343 126305579086929 149270229830007 173541811916187 176410271617281 182441392014453 215612554198899 245352216847023 309357142981029 520625435748561 547324176043359 646837662596697 736056650541069 790579365395963 928071428943087 1641972528130077 1940512987790091 2371738096187889 7115214288563667 21345642865691001
• Sum of all divisors σ(n): 41694866901273600
• Sum of proper divisors (its aliquot sum) s(n): 20349224035582599
• 21345642865691001 is a deficient number, because the sum of its proper divisors (20349224035582599) is less than itself. Its deficiency is 996418830108402

Bases of 21345642865691001

• Binary: 1001011110101011011111111000100100000110000100101111001₂
• Hexadecimal: 0x4BD5BFC4830979
• Base-36: 5U6ECYI2D89

Squares and roots of 21345642865691001

• 21345642865691001 squared (21345642865691001²) is 455636469349625129356193212382001
• 21345642865691001 cubed (21345642865691001³) is 9725853351321462088823788001453548166022040073001
• The square root of 21345642865691001 is 146101481.3945806677
• The cube root of 21345642865691001 is 277397.8429401643

Scales and comparisons

• 21,345,642,865,691,001 seconds is equal to 678,725,416 years, 37 weeks, 3 days, 5 hours, 43 minutes, 21 seconds.
• To count from 1 to 21,345,642,865,691,001 would take you about two billion, thirty-six million, one hundred seventy-six thousand, two hundred fifty 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 21345642865691001 cubic inches would be around 23116.5 feet tall.

Recreational maths with 21345642865691001

• 21345642865691001 backwards is 10019656824654312
• The number of decimal digits it has is: 17
• The sum of 21345642865691001's digits is 63
• More coming soon!