21535817003421201

Names of 21535817003421201

• Cardinal: 21535817003421201 can be written as Twenty-one quadrillion, five hundred thirty-five trillion, eight hundred seventeen billion, three million, four hundred twenty-one thousand, two hundred one.

Scientific notation

• Scientific notation: 2.1535817003421201 × 10¹⁶

Factors of 21535817003421201

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 131427

Divisors of 21535817003421201

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 9 13 27 37 39 79 97 111 117 127 169 237 291 333 351 381 481 507 711 873 999 1027 1143 1261 1443 1521 1651 2133 2619 2923 3081 3429 3589 3783 4329 4563 4699 4953 6253 7663 8769 9243 10033 10767 11349 12319 12987 13351 14097 14859 16393 18759 21463 22989 26307 27729 30099 32301 34047 36957 37999 40053 42291 44577 46657 49179 56277 61087 64389 68967 78921 90297 96903 99619 110871 113997 120159 126873 130429 131071 139971 147537 160147 168831 183261 193167 206901 270891 283531 298857 332613 341991 360477 371221 391287 393213 419913 442611 455803 480441 493987 549783 579501 606541 794131 850593 896571 973201 1025973 1113663 1173861 1179639 1259739 1295047 1367409 1441323 1481961 1649349 1695577 1703923 1819623 2081911 2382393 2551779 2689713 2919603 3340989 3521583 3538917 3685903 3885141 4102227 4323969 4445883 4825873 4849627 5086731 5111769 5458869 5925439 6245733 7147179 7655337 8758809 10022967 10354609 11057709 11655423 12306681 12651613 12713887 13337649 14477619 14548881 15260193 15335307 16376607 16646017 17776317 18737199 21441537 22150999 26276427 31063827 33173127 34966269 36008437 37954839 38141661 43432857 43646643 45780579 46005921 47916739 49938051 53328951 56211597 62736349 63045151 66452997 77030707 93191481 99519381 108025311 113864517 114424983 130298571 130939929 134609917 143750217 149814153 159986853 164470969 165280531 188209047 189135453 199358991 216398221 231092121 279574443 324075933 341593551 343274949 383120533 403829751 431250651 449442459 468109681 470413819 493412907 495841593 564627141 567406359 598076973 615902629 649194663 693276363 819586963 972227799 1004397073 1149361599 1211489253 1293751953 1315035343 1404329043 1411241457 1480238721 1487524779 1614663649 1693881423 1702219077 1749928921 1847707887 1947583989 2079829089 2148646903 2458760889 2813176873 3013191219 3448084797 3634467759 3945106029 4212987129 4233724371 4440716163 4462574337 4843990947 4980566929 5249786763 5543123661 5842751967 6085425853 6115379647 6445940709 7376282667 8006734177 8439530619 9039573657 10344254391 11835318087 12638961387 12701173113 13057161949 14531972841 14941700787 15749360289 16629370983 17095459459 18256277559 18346138941 19337822127 20990627437 22128848001 24020202531 25318591857 27118720971 35505954261 37162691701 39171485847 43595918523 44825102361 47248080867 48656307691 51286378377 54768832677 55038416823 58013466381 59742555013 62971882311 64747370077 72060607593 75955775571 79499935411 104087544301 111488075103 117514457541 127558428271 134475307083 145968923073 153859135131 164306498031 165115250469 169743105337 179227665039 188915646933 194242110231 216181822779 222240972967 238499806233 272878156681 312262632903 334464225309 352543372623 382675284813 437906769219 461577405393 483114992113 509229316011 537682995117 566746940799 582726330693 632531999983 666722918901 715499418699 776653215169 818634470043 936787898709 1003392675927 1148025854439 1313720307657 1449344976339 1527687948033 1613048985351 1658259567523 1748178992079 1897595999949 2000168756703 2146498256097 2329959645507 2455903410129 2810363696127 3444077563317 4348034929017 4583063844099 4719661846027 4974778702569 5692787999847 6000506270109 6280494897469 6989878936521 7367710230387 8222915999779 10096491797197 13044104787051 14158985538081 14924336107707 17078363999541 18841484692407 20969636809563 21557374377799 24668747999337 30289475391591 42476956614243 44773008323121 56524454077221 61355603998351 64672123133397 74006243998011 90868426174773 127430869842729 169573362231663 184066811995053 194016369400191 222018731994033 272605278524319 552200435985159 582049108200573 797622851978563 1656601307955477 2392868555935689 7178605667807067 21535817003421201
• Sum of all divisors σ(n): 36587323156070400
• Sum of proper divisors (its aliquot sum) s(n): 15051506152649199
• 21535817003421201 is a deficient number, because the sum of its proper divisors (15051506152649199) is less than itself. Its deficiency is 6484310850772002

Bases of 21535817003421201

• Binary: 1001100100000101011011000100010011011111100111000010001₂
• Hexadecimal: 0x4C82B6226FCE11
• Base-36: 5W1T5R1IPE9

Squares and roots of 21535817003421201

• 21535817003421201 squared (21535817003421201²) is 463791414004845717324138616282401
• 21535817003421201 cubed (21535817003421201³) is 9988127019766318130911171095846068614780966583601
• The square root of 21535817003421201 is 146750867.1300486763
• The cube root of 21535817003421201 is 278219.2127549371

Scales and comparisons

• 21,535,817,003,421,201 seconds is equal to 684,772,366 years, 2 weeks, 5 days, 7 hours, 13 minutes, 21 seconds.
• To count from 1 to 21,535,817,003,421,201 would take you about two billion, fifty-four million, three hundred seventeen thousand and ninety-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 21535817003421201 cubic inches would be around 23184.9 feet tall.

Recreational maths with 21535817003421201

• 21535817003421201 backwards is 10212430071853512
• The number of decimal digits it has is: 17
• The sum of 21535817003421201's digits is 45
• More coming soon!