18221812664120163

Names of 18221812664120163

• Cardinal: 18221812664120163 can be written as Eighteen quadrillion, two hundred twenty-one trillion, eight hundred twelve billion, six hundred sixty-four million, one hundred twenty thousand, one hundred sixty-three.

Scientific notation

• Scientific notation: 1.8221812664120163 × 10¹⁶

Factors of 18221812664120163

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 105

Divisors of 18221812664120163

• Number of divisors d(n): 672
• Complete list of divisors:
  1 3 7 9 17 21 27 37 41 49 51 63 81 111 119 123 147 153 189 243 259 287 333 343 357 369 441 459 567 629 697 729 777 833 861 999 1029 1071 1107 1323 1377 1517 1681 1701 1813 1887 2009 2091 2331 2499 2583 2997 3087 3213 3321 3969 4131 4403 4551 4879 5043 5103 5439 5661 5831 6027 6273 6993 7497 7749 8991 9261 9639 9963 10619 11767 11907 12393 12691 13209 13653 14063 14637 15129 16317 16983 17493 18081 18819 20979 22491 23247 25789 26973 27783 28577 28917 29889 30821 31857 34153 35301 35721 38073 39627 40959 42189 43911 45387 48951 50949 52479 54243 56457 62197 62937 67473 68921 69741 74333 77367 82369 83349 85731 86751 92463 95571 102459 105903 114219 118881 122877 126567 131733 136161 146853 152847 157437 162729 169371 180523 186591 188811 200039 202419 206763 209223 215747 222999 232101 239071 247107 250047 257193 277389 286713 307377 317709 342657 356643 368631 379701 395199 408483 435379 440559 458541 472311 482447 488187 508113 520331 541569 559773 576583 600117 607257 620289 647241 668997 696303 717213 741321 771579 832167 860139 922131 953127 1027971 1057349 1069929 1105893 1139103 1171657 1185597 1225449 1263661 1306137 1321677 1400273 1416933 1447341 1464561 1560993 1624707 1679319 1729749 1800351 1860867 1941723 2006991 2088909 2151639 2223963 2314737 2496501 2550077 2580417 2766393 2825761 2859381 3047653 3083913 3172047 3209787 3377129 3417309 3514971 3556791 3790983 3918411 4200819 4250799 4342023 4682979 4874121 5037957 5189247 5401053 5582601 5825169 6020973 6266727 6454917 6671889 6944211 7401443 7489503 7650231 7741251 8201599 8299179 8477283 8578143 8845627 9142959 9251739 9516141 9801911 10131387 10251927 10544913 11372949 11755233 12602457 13026069 14048937 14622363 15113871 15567741 16203159 16747803 17475507 17850539 18062919 18800181 19364751 19780327 20015667 20832633 21333571 22204329 22468509 22950693 23639903 24604797 24897537 25431849 26536881 27428877 28548423 29405733 30394161 31634739 34118847 35265699 37807371 39078207 42146811 43351309 43867089 45341613 46703223 48037937 48609477 50243409 51810101 52426521 53551617 54188757 57411193 58094253 59340981 60047001 64000713 66612987 68852079 70919709 73814391 76295547 79610643 82286631 85645269 88217199 91182483 94904217 102356541 104553157 105797097 113422113 115856201 117234621 124953773 126440433 130053927 131601267 138462289 140109669 144113811 145828431 155430303 157279563 160654851 172233579 174282759 178022943 192002139 199838961 206556237 212759127 221443173 228886641 238831929 246859893 256935807 264651597 273547449 284712651 303459163 307069623 313659471 317391291 336265559 340266339 347568603 351703863 362670707 374861319 379321299 390161781 401878351 415386867 420329007 432341433 466290909 481964553 516700737 534068829 576006417 599516883 619668711 638277381 664329519 686659923 716495787 731872099 740579679 770807421 793954791 810993407 820642347 854137953 874676411 910377489 921208869 940978413 969236023 1008796677 1020799017 1042705809 1088012121 1124583957 1170485343 1205635053 1246160601 1297024299 1398872727 1445893659 1550102211 1602206487 1728019251 1777403669 1798550649 1859006133 1914832143 1969555417 1992988557 2059979769 2124214141 2149487361 2195616297 2221739037 2353858913 2381864373 2432980221 2461927041 2624029233 2731132467 2822935239 2907708069 3026390031 3128117427 3264036363 3373751871 3511456029 3616905159 3738481803 3891072897 4196618181 4286679437 4337680977 4650306633 4806619461 5123104693 5184057753 5332211007 5395651947 5676953849 5744496429 5908666251 5978965671 6372642423 6448462083 6586848891 7061576739 7145593119 7298940663 7872087699 8193397401 8468805717 8723124207 9079170093 9384352281 9792109089 10121255613 10534368087 10850715477 11215445409 11673218691 12441825683 12589854543 12860038311 13013042931 13786887919 13950919899 14419858383 14869498987 15369314079 15552173259 15996633021 16477012391 17030861547 17233489287 17725998753 19117927269 19760546673 21184730217 21896821989 23616263097 24580192203 25406417151 26169372621 27237510279 28153056843 29376327267 30006756059 30363766839 31603104261 32552146431 33646336227 35019656073 35861732851 37325477049 37769563629 38580114933 39738676943 41360663757 41852759697 44608496961 46107942237 47989899063 49431037173 51092584641 53177996259 57353781807 59281640019 63554190651 65690465967 70848789291 72873550429 73740576609 76219251453 78508117863 81712530837 84459170529 87092779781 88128981801 90020268177 91091300517 96508215433 97656439293 100939008681 107585198553 111976431147 115740344799 119216030829 124081991271 133825490883 138323826711 143969697189 148293111519 153277753923 159533988777 172061345421 177844920057 190662571953 197071397901 210047292413 212546367873 218620651287 221221729827 235524353589 245137592511 261278339343 264386945403 270060804531 289524646299 292969317879 322755595659 335929293441 347221034397 357648092487 372245973813 401476472649 414971480133 431909091567 444879334557 459833261769 478601966331 510114853003 516184036263 533534760171 571987715859 591214193703 609649458467 630141877239 637639103619 655861953861 675557508031 706573060767 783835018029 810182413593 868573938897 968266786977 1007787880323 1041663103191 1072944277461 1116737921439 1204429417947 1244914440399 1295727274701 1334638003671 1379499785307 1435805898993 1470331046891 1530344559009 1548552108789 1715963147577 1828948375401 1890425631717 1967585861583 2026672524093 2351505054087 2430547240779 2605721816691 2904800360931 3023363640969 3124989309573 3218832832383 3350213764317 3570803971021 3613288253841 3734743321197 4003914011013 4138499355921 4410993140673 4591033677027 5486845126203 5671276895151 5902757584749 6080017572279 7054515162261 7291641722337 7817165450073 8714401082793 9070090922907 9656498497149 10050641292951 10712411913063 10839864761523 12011742033039 13232979422019 13773101031081 16460535378609 17013830685453 17708272754247 18240052716837 21163545486783 21874925167011 23451496350219 24995627797147 26143203248379 28969495491447 32137235739189 39698938266057 41319303093243 49381606135827 51041492056359 53124818262741 54720158150511 63490636460349 70354489050657 74986883391441 96411707217567 119096814798171 123957909279729 148144818407481 153124476169077 164160474451533 224960650174323 289235121652701 357290444394513 371873727839187 444434455222443 492481423354599 674881950522969 867705364958103 1071871333183539 2024645851568907 2603116094874309 6073937554706721 18221812664120163
• Sum of all divisors σ(n): 35512349310748800
• Sum of proper divisors (its aliquot sum) s(n): 17290536646628637
• 18221812664120163 is a deficient number, because the sum of its proper divisors (17290536646628637) is less than itself. Its deficiency is 931276017491526

Bases of 18221812664120163

• Binary: 1000000101111001010010001011111000000100011001101100011₂
• Hexadecimal: 0x40BCA45F023363
• Base-36: 4ZF3D6AYF6R

Squares and roots of 18221812664120163

• 18221812664120163 squared (18221812664120163²) is 332034456766289952246302903146569
• 18221812664120163 cubed (18221812664120163³) is 6050269669228240996566045187267888948100617170747
• The square root of 18221812664120163 is 134988194.5361155017
• The cube root of 18221812664120163 is 263146.2542662987

Scales and comparisons

• 18,221,812,664,120,163 seconds is equal to 579,397,278 years, 49 weeks, 3 days, 10 hours, 16 minutes, 3 seconds.
• To count from 1 to 18,221,812,664,120,163 would take you about one billion, seven hundred thirty-eight million, one hundred ninety-one thousand, eight hundred thirty-six 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 18221812664120163 cubic inches would be around 21928.9 feet tall.

Recreational maths with 18221812664120163

• 18221812664120163 backwards is 36102146621812281
• The number of decimal digits it has is: 17
• The sum of 18221812664120163's digits is 54
• More coming soon!