21050985665767743

Names of 21050985665767743

• Cardinal: 21050985665767743 can be written as Twenty-one quadrillion, fifty trillion, nine hundred eighty-five billion, six hundred sixty-five million, seven hundred sixty-seven thousand, seven hundred forty-three.

Scientific notation

• Scientific notation: 2.1050985665767743 × 10¹⁶

Factors of 21050985665767743

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 80

Divisors of 21050985665767743

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 7 9 21 29 41 49 63 87 123 147 203 261 287 343 369 441 609 841 861 1029 1189 1421 1681 1827 2009 2401 2523 2583 3087 3567 4263 5043 5887 6027 7203 7569 8323 9947 10701 11767 12789 14063 15129 16807 17661 18081 21609 24969 29841 34481 35301 41209 42189 48749 50421 52983 58261 68921 69629 74907 82369 89523 98441 103443 105903 117649 123627 126567 146247 151263 174783 206763 208887 241367 247107 288463 295323 310329 341243 352947 370881 407827 438741 482447 487403 524349 576583 620289 626661 689087 724101 741321 823543 865389 885969 1023729 1058841 1223481 1413721 1447341 1462209 1689569 1729749 1998709 2019241 2067261 2172303 2388701 2470629 2596167 2854789 3071187 3377129 3411821 3670443 4036081 4241163 4342023 4386627 4823609 5068707 5189247 5764801 5996127 6057723 6201783 7166103 7411887 8564367 9896047 10131387 10235463 11826983 12108243 12723489 13990963 14134687 14470827 15206121 16720907 17294403 17988381 18173169 19983523 21498309 23639903 23882747 25693101 28252567 29688141 30394161 30706389 33765263 35480949 36324729 40353607 41972889 42404061 43412481 50162721 51883209 57962561 59950569 69272329 70919709 71648241 82788881 84757701 89064423 97936741 98942809 101295789 106442847 117046349 121060821 125918667 127212183 139884661 150488163 165479321 167179229 173887683 179851707 197767969 207816987 212759127 214944723 236356841 248366643 254273103 293810223 296828427 303887367 351139047 363182463 405737927 419653983 484906303 496437963 501537687 521663049 579522167 593303907 623450961 685557187 692599663 709070523 745099929 819324443 881430669 890485281 979192627 1053417141 1158355247 1170254603 1217213781 1258961949 1384375783 1454718909 1489313889 1504613061 1654497887 1738566501 1779911721 2056671561 2077798989 2127211569 2457973329 2840165489 2937577881 3394344121 3475065741 3510763809 3651641343 4056655169 4153127349 4364156727 4798900309 4848197641 4963493661 5215699503 5735271101 6170014683 6233396967 6854348389 7373919987 8108486729 8520496467 8812733643 9690630481 10183032363 10425197223 10532291427 12169965507 12459382047 14396700927 14544592923 14890480983 17205813303 19881158423 20563045167 23760408847 24325460187 25561489401 28396586183 29071891443 30549097089 33592302163 33937383487 36509896521 40146897707 43190102781 43633778769 47980438723 51617439909 56759407103 59643475269 61689135501 67834413367 71281226541 72976380561 85189758549 87215674329 100776906489 101812150461 120440693121 139168108961 143941316169 166322861929 170278221309 178930425807 198776103281 203503240101 213843679623 235146115141 255569275647 281028283949 302330719467 305436451383 361322079363 397315849721 417504326883 431823948507 498968585787 510834663927 596328309843 610509720303 705438345423 843084851847 974176762727 1164260033503 1191947549163 1252512980649 1391432722967 1496905757361 1646022805987 1788984929529 1967197987643 2116315036269 2529254555541 2781210948047 2922530288181 3492780100509 3575842647489 4174298168901 4938068417961 5901593962929 6819237339089 8149820234521 8343632844141 8767590864543 10478340301527 11522159641909 12522894506703 14814205253883 17704781888787 20457712017267 24449460703563 25030898532423 34566478925727 47734661373623 57048741641647 61373136051801 73348382110689 80655117493363 103699436777181 143203984120869 171146224924941 241965352480089 334142629615361 429611952362607 513438674774823 725896057440267 1002427888846083 2338998407307527 3007283666538249 7016995221922581 21050985665767743
• Sum of all divisors σ(n): 37658753202566496
• Sum of proper divisors (its aliquot sum) s(n): 16607767536798753
• 21050985665767743 is a deficient number, because the sum of its proper divisors (16607767536798753) is less than itself. Its deficiency is 4443218128968990

Bases of 21050985665767743

• Binary: 1001010110010011100001010001010110001111010100100111111₂
• Hexadecimal: 0x4AC9C28AC7A93F
• Base-36: 5R9Y9B51Z5R

Squares and roots of 21050985665767743

• 21050985665767743 squared (21050985665767743²) is 443143997500358986000397619314049
• 21050985665767743 cubed (21050985665767743³) is 9328617939251073548721224077469075901552610921407
• The square root of 21050985665767743 is 145089578.0742632907
• The cube root of 21050985665767743 is 276115.5158906555

Scales and comparisons

• 21,050,985,665,767,743 seconds is equal to 669,356,229 years, 10 weeks, 1 day, 20 hours, 49 minutes, 3 seconds.
• To count from 1 to 21,050,985,665,767,743 would take you about two billion, eight million, sixty-eight thousand, six hundred eighty-seven 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 21050985665767743 cubic inches would be around 23009.6 feet tall.

Recreational maths with 21050985665767743

• 21050985665767743 backwards is 34776756658905012
• The number of decimal digits it has is: 17
• The sum of 21050985665767743's digits is 81
• More coming soon!