21039996982907331

Names of 21039996982907331

• Cardinal: 21039996982907331 can be written as Twenty-one quadrillion, thirty-nine trillion, nine hundred ninety-six billion, nine hundred eighty-two million, nine hundred seven thousand, three hundred thirty-one.

Scientific notation

• Scientific notation: 2.1039996982907331 × 10¹⁶

Factors of 21039996982907331

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3234

Divisors of 21039996982907331

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 9 11 13 33 39 41 99 117 121 123 143 169 363 369 429 451 507 533 1089 1187 1287 1353 1521 1573 1599 1859 1979 3561 4059 4719 4797 4961 5577 5863 5937 6929 10683 13057 14157 14883 15431 16731 17589 17811 20449 20787 21769 25727 39171 44649 46293 48667 52767 61347 62361 64493 65307 76219 77181 81139 117513 138879 143627 146001 169741 184041 193479 195921 200603 228657 231543 239459 243417 282997 334451 430881 438003 509223 535337 580437 601809 632671 685971 718377 730251 838409 848991 892529 1003353 1054807 1292643 1408969 1527669 1606011 1805427 1867151 1898013 2155131 2206633 2349073 2515227 2546973 2677587 3010059 3112967 3164421 3678961 4226907 4818033 5601453 5694039 5888707 6619899 6959381 7047219 7545681 8032761 8224723 9338901 9493263 9817819 11036883 11602877 12680721 13712491 15498659 16804359 17666121 18316597 19859697 20878143 21141657 24272963 24674169 25839803 28016703 29453457 30537949 33110649 34808631 40468571 41137473 46495977 52998363 54949791 57767729 62634429 72818889 74022507 76553191 77519409 88360371 90471953 91613847 96311993 104425893 121405713 123412419 127631647 139487931 150837401 164849373 170485249 173303187 201482567 218456667 229659573 232558227 238115761 271415859 274841541 284237833 288935979 335917439 364217139 382894941 396993337 452512203 511455747 519909561 604447701 635445019 688978719 714347283 750980477 814247577 852713499 866807937 995191483 1007752317 1059431923 1148684823 1190980011 1252055909 1357536609 1534367241 1659211411 1813343103 1906335057 2143041849 2216308237 2252941431 2558140497 2619273371 2788349651 2985574449 3023256951 3178295769 3572940033 3695091829 3756167727 4366926707 4977634233 5719005171 6648924711 6758824293 6989895209 7857820113 8260785247 8365048953 8956723347 9534887307 9762746201 11085275487 11268503181 11653751153 13100780121 13772614999 14932902699 16276726817 19946774133 20969685627 23573460339 24782355741 25095146859 28812007081 29288238603 30671846161 33255826461 34961253459 36248545463 39302340363 41317844997 48036193777 48830180451 62909056881 74347067223 86436021243 87864715809 90868637717 92015538483 104883760377 107390208211 108745636389 114322335691 123953534991 144108581331 146490541353 151498764989 179043994987 259308063729 272605913151 276046615449 322170624633 326236909167 337390307771 342967007073 398734000093 432325743993 454496294967 471231091019 537131984961 817817739453 966511873899 1012170923313 1028901021219 1181292290321 1196202000279 1257545692601 1363488884901 1413693273057 1486190363983 1611395954883 1969483944857 3036512769939 3543876870963 3588606000837 3772637077803 4241079819171 4386074001023 4458571091949 5183542001209 5908451834571 10631630612889 11317911233409 13158222003069 13375713275847 13833002618611 15550626003627 16348094003813 17725355503713 19320474731779 39474666009207 41499007855833 46651878010881 49044282011439 57018962013299 57961424195337 124497023567499 147132846034317 171056886039897 173884272586011 179829034041943 212525222049569 513170658119691 539487102125829 637575666148707 1618461306377487 1912726998446121 2337777442545259 7013332327635777 21039996982907331
• Sum of all divisors σ(n): 37104623676960840
• Sum of proper divisors (its aliquot sum) s(n): 16064626694053509
• 21039996982907331 is a deficient number, because the sum of its proper divisors (16064626694053509) is less than itself. Its deficiency is 4975370288853822

Bases of 21039996982907331

• Binary: 1001010101111111100010000001010001111011101000111000011₂
• Hexadecimal: 0x4ABFC40A3DD1C3
• Base-36: 5R6216EZYYR

Squares and roots of 21039996982907331

• 21039996982907331 squared (21039996982907331²) is 442681473040749591328173333543561
• 21039996982907331 cubed (21039996982907331³) is 9314016857166344388178036676778785644430314745691
• The square root of 21039996982907331 is 145051704.5156909937
• The cube root of 21039996982907331 is 276067.4631298813

Scales and comparisons

• 21,039,996,982,907,331 seconds is equal to 669,006,823 years, 3 weeks, 5 days, 11 hours, 8 minutes, 51 seconds.
• To count from 1 to 21,039,996,982,907,331 would take you about two billion, seven million, twenty thousand, four hundred sixty-nine 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 21039996982907331 cubic inches would be around 23005.6 feet tall.

Recreational maths with 21039996982907331

• 21039996982907331 backwards is 13370928969993012
• The number of decimal digits it has is: 17
• The sum of 21039996982907331's digits is 81
• More coming soon!