12821400239445

Names of 12821400239445

• Cardinal: 12821400239445 can be written as Twelve trillion, eight hundred twenty-one billion, four hundred million, two hundred thirty-nine thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 1.2821400239445 × 10¹³

Factors of 12821400239445

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 19873

Divisors of 12821400239445

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 5 7 9 15 17 21 27 35 45 51 53 63 81 85 105 119 135 153 159 189 255 257 265 315 357 371 405 459 477 567 595 765 771 795 901 945 1071 1113 1285 1377 1431 1785 1799 1855 2295 2313 2385 2703 2835 3213 3339 3855 4293 4369 4505 5355 5397 5565 6307 6885 6939 7155 8109 8995 9639 10017 11565 13107 13515 13621 16065 16191 16695 18921 19531 20817 21465 21845 24327 26985 30051 30583 31535 34695 39321 40545 40863 48195 48573 50085 56763 58593 65535 68105 72981 80955 91749 94605 95347 97655 104085 117963 121635 122589 136717 145719 150255 152915 170289 175779 196605 204315 231557 242865 275247 283815 286041 292965 332027 353889 364905 367767 410151 458745 476735 510867 527337 589815 612945 683585 694671 728595 825741 851445 858123 878895 996081 1035143 1103301 1157785 1230453 1376235 1430205 1582011 1620899 1660135 1769445 1838835 2050755 2084013 2324189 2477223 2554335 2574369 2636685 2988243 3105429 3473355 3691359 4128705 4290615 4862697 4980405 5019467 5175715 5516505 6152265 6252039 6972567 7246001 7723107 7910055 8104495 8964729 9316287 10420065 11074077 11620945 12386115 12871845 14588091 14941215 15058401 15527145 17597431 18456795 18756117 20917701 21738003 24313485 25097335 26894187 27948861 31260195 34862835 35136269 36230005 38615535 43764273 44823645 45175203 46581435 52792293 55370385 62753103 65214009 72940455 75292005 83846583 85330939 87987155 93780585 104588505 105408807 108690015 123182017 131292819 134470935 135525609 139744305 158376879 175681345 188259309 195642027 218821365 225876015 255992817 263961465 266031751 313765515 316226421 326070045 369546051 406576827 419232915 426654695 475130637 527044035 586926081 597316573 615910085 656464095 677628045 767978451 791884395 798095253 941296545 948679263 978210135 1108638153 1279964085 1330158755 1425391911 1581132105 1791949719 1847730255 1862222257 2032884135 2303935353 2375653185 2394285759 2846037789 2934630405 2986582865 3325914459 3839892255 3990476265 4522539767 4743396315 5375849157 5543190765 5586666771 6911806059 7126959555 7182857277 8959748595 9311111285 9977743377 11519676765 11971428795 13567619301 14230188945 16127547471 16629572295 16760000313 21548571831 22612698835 26879245785 27933333855 31657778369 34559030295 35914286385 40702857903 48382642413 49888716885 50280000939 67838096505 80637737355 83800001565 94973335107 107742859155 122108573709 150840002817 158288891845 203514289515 241913212065 251400004695 284920005321 366325721127 474866675535 610542868545 754200014085 854760015963 1424600026605 1831628605635 2564280047889 4273800079815 12821400239445
• Sum of all divisors σ(n): 28448494880256
• Sum of proper divisors (its aliquot sum) s(n): 15627094640811
• 12821400239445 is an abundant number, because the sum of its proper divisors (15627094640811) is greater than itself. Its abundance is 2805694401366

Bases of 12821400239445

• Binary: 10111010100100110111000000011011110101010101₂
• Hexadecimal: 0xBA93701BD55
• Base-36: 4JM2INWB9

Squares and roots of 12821400239445

• 12821400239445 squared (12821400239445²) is 164388304100040303333908025
• 12821400239445 cubed (12821400239445³) is 2107688241550214220399518783522607046125
• The square root of 12821400239445 is 3580698.2893627047
• The cube root of 12821400239445 is 23405.1710389021

Scales and comparisons

• 12,821,400,239,445 seconds is equal to 407,680 years, 45 weeks, 1 day, 2 hours, 30 minutes, 45 seconds.
• To count from 1 to 12,821,400,239,445 would take you about one million, nineteen thousand, two hundred two 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 12821400239445 cubic inches would be around 1950.4 feet tall.

Recreational maths with 12821400239445

• 12821400239445 backwards is 54493200412821
• 12821400239445 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12821400239445's digits is 45
• More coming soon!