21429373227663771

Names of 21429373227663771

• Cardinal: 21429373227663771 can be written as Twenty-one quadrillion, four hundred twenty-nine trillion, three hundred seventy-three billion, two hundred twenty-seven million, six hundred sixty-three thousand, seven hundred seventy-one.

Scientific notation

• Scientific notation: 2.1429373227663771 × 10¹⁶

Factors of 21429373227663771

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 68

Divisors of 21429373227663771

• Number of divisors d(n): 378
• Complete list of divisors:
  1 3 9 17 19 27 29 51 57 81 87 153 171 243 261 289 323 459 493 513 551 729 783 841 867 969 1377 1479 1539 1653 2187 2349 2523 2601 2907 4131 4437 4617 4959 5491 6561 7047 7569 7803 8381 8721 9367 12393 13311 13851 14297 14877 15979 16473 21141 22707 23409 24389 25143 26163 28101 37179 39933 41553 42891 44631 47937 49419 63423 68121 70227 73167 75429 78489 84303 111537 119799 124659 128673 133893 143811 148257 159239 190269 204363 210681 219501 226287 235467 243049 252909 271643 359397 386019 401679 414613 431433 444771 463391 477717 613089 632043 658503 678861 706401 707281 729147 758727 814929 1078191 1158057 1205037 1243839 1294299 1334313 1390173 1433151 1839267 1896129 1975509 2036583 2119203 2121843 2187441 2276181 2444787 3234573 3474171 3615111 3731517 3882897 4002939 4170519 4299453 4617931 5517801 5926527 6109749 6365529 6562323 6828543 7048421 7334361 7877647 10422513 11194551 11648691 12008817 12023777 12511557 12898359 13438339 13853793 17779581 18329247 19096587 19686969 20485629 20511149 21145263 22003083 23632941 31267539 33583653 34946073 36026451 36071331 37534671 38695077 40315017 41561379 53338743 54987741 57289761 59060907 61456887 61533447 63435789 66009249 70898823 93802617 100750959 104838219 108213993 112604013 116085231 120945051 124684137 133919999 160016229 171869283 177182721 184600341 190307367 198027747 204404209 212696469 228451763 302252877 324641979 337812039 348255693 348689533 362835153 374052411 389711831 401759997 515607849 531548163 553801023 570922101 594083241 594823321 613212627 638089407 685355289 906758631 973925937 1013436117 1044767079 1046068599 1088505459 1122157233 1169135493 1205279991 1546823547 1594644489 1661403069 1712766303 1782249723 1784469963 1839637881 1914268221 2056065867 2720275893 2921777811 3040308351 3138205797 3265516377 3366471699 3507406479 3615839973 3883679971 4640470641 4984209207 5138298909 5353409889 5518913643 5742804663 5927722061 6168197601 6625101127 8765333433 9414617391 9796549131 10099415097 10111996457 10522219437 10847519919 11301643099 11651039913 14952627621 15414896727 16060229667 16556740929 17228413989 17783166183 18504592803 19875303381 26296000299 28243852173 29389647393 30298245291 30335989371 31566658311 32542559757 33904929297 34953119739 44857882863 46244690181 48180689001 49670222787 51685241967 53349498549 55513778409 59625910143 78888000897 84731556519 88168942179 91007968113 94699974933 97627679271 101714787891 104859359217 112626719159 134573648589 144542067003 149010668361 160048495647 166541335227 171903939769 178877730429 192127932683 254194669557 273023904339 284099924799 292883037813 305144363673 314578077651 337880157477 433626201009 447032005083 480145486941 499624005681 515711819307 536633191287 576383798049 762584008671 819071713017 852299774397 878649113439 915433091019 943734232953 1013640472431 1300878603027 1341096015249 1440436460823 1498872017043 1547135457921 1609899573861 1729151394147 2287752026013 2457215139051 2556899323191 2746299273057 2831202698859 3040921417293 3266174855611 3902635809081 4321309382469 4641406373763 4829698721583 5187454182441 7371645417153 8238897819171 8493608096577 9122764251879 9798524566833 12963928147407 13924219121289 14489096164749 15562362547323 22114936251459 24716693457513 25480824289731 27368292755637 29395573700499 38891784442221 41772657363867 43467288494247 46687087641969 66344808754377 74150080372539 82104878266911 88186721101497 125317972091601 140061262925907 246314634800733 264560163304491 375953916274803 420183788777721 738943904402199 793680489913473 1127861748824409 1260551366333163 2381041469740419 7143124409221257 21429373227663771
• Sum of all divisors σ(n): 37225072895241140
• Sum of proper divisors (its aliquot sum) s(n): 15795699667577369
• 21429373227663771 is a deficient number, because the sum of its proper divisors (15795699667577369) is less than itself. Its deficiency is 5633673560086402

Bases of 21429373227663771

• Binary: 1001100001000011110011011000010111111101000000110011011₂
• Hexadecimal: 0x4C21E6C2FE819B
• Base-36: 5V02U5LQAOR

Squares and roots of 21429373227663771

• 21429373227663771 squared (21429373227663771²) is 459218036930512786521958625940441
• 21429373227663771 cubed (21429373227663771³) is 9840754706259043582466230029152261061072219463011
• The square root of 21429373227663771 is 146387749.5819365719
• The cube root of 21429373227663771 is 277760.0764006973
• Being both a perfect square and a perfect cube, 21429373227663771 is also a perfect sixth number.

Scales and comparisons

• 21,429,373,227,663,771 seconds is equal to 681,387,783 years, 12 weeks, 1 day, 23 hours, 2 minutes, 51 seconds.
• To count from 1 to 21,429,373,227,663,771 would take you about two billion, forty-four million, one hundred sixty-three thousand, three hundred forty-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 21429373227663771 cubic inches would be around 23146.7 feet tall.

Recreational maths with 21429373227663771

• 21429373227663771 backwards is 17736672237392412
• The number of decimal digits it has is: 17
• The sum of 21429373227663771's digits is 72
• More coming soon!