1643942741805

Names of 1643942741805

• Cardinal: 1643942741805 can be written as One trillion, six hundred forty-three billion, nine hundred forty-two million, seven hundred forty-one thousand, eight hundred five.

Scientific notation

• Scientific notation: 1.643942741805 × 10¹²

Factors of 1643942741805

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 364

Divisors of 1643942741805

• Number of divisors d(n): 400
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 35 39 45 63 65 79 81 91 105 117 135 169 189 195 237 257 273 315 351 395 405 455 507 553 567 585 711 771 819 845 945 1027 1053 1183 1185 1285 1365 1521 1659 1755 1799 2133 2197 2313 2457 2535 2765 2835 3081 3341 3549 3555 3855 4095 4563 4977 5135 5265 5397 5915 6399 6591 6939 7189 7371 7605 8295 8995 9243 10023 10647 10665 10985 11565 12285 13351 13689 14931 15379 15405 16191 16705 17745 19773 20303 20817 21567 22815 23387 24885 26985 27729 28561 30069 31941 31995 32955 34695 35945 36855 40053 43433 44793 46137 46215 48573 50115 53235 59319 60909 64701 66755 68445 70161 74655 76895 80955 83187 85683 90207 93457 95823 98865 101515 104085 107835 116935 120159 130299 138411 138645 142121 142805 145719 150345 159705 173563 177957 182727 194103 199927 200265 210483 217165 223965 230685 242865 257049 263939 270621 280371 296595 304031 304545 323505 350805 360477 390897 415233 415935 426363 428415 451035 467285 479115 520689 548181 564629 582309 599781 600795 631449 651495 692055 710605 728595 771147 791817 841113 867815 889785 912093 913635 970515 999635 1052415 1081431 1172691 1214941 1245699 1279089 1285245 1319695 1353105 1401855 1520155 1562067 1644543 1693887 1799343 1802385 1847573 1894347 1954485 2076165 2131815 2256319 2313441 2375451 2523339 2603445 2736279 2740905 2823145 2911545 2998905 3157245 3431207 3518073 3644823 3837267 3855735 3952403 3959085 4205565 4560465 4686201 5081661 5398029 5407155 5542719 5863455 6074705 6228495 6395445 6768957 7126353 7340177 7570017 7810335 8208837 8222715 8469435 8996715 9237865 9471735 10293621 10934469 11281595 11511801 11567205 11857209 11877255 12616695 13681395 14058603 15244983 15794233 16194087 16628157 17156035 17590365 18224115 19186335 19762015 20306871 21379059 22020531 23431005 24018449 24626511 25408305 26990145 27713595 30880863 32803407 33844785 35571627 35631765 36700885 37850085 41044185 44605691 45734949 47382699 49884471 51381239 51468105 54672345 57559005 59286045 60920613 66061593 70293015 72055347 76224915 78971165 80970435 83140785 92642589 98410221 101534355 106714881 106895295 110102655 120092245 123132555 133817073 142148097 149653413 154143717 154404315 164017035 177858135 182761839 198184779 216166041 223028455 228674745 236913495 249422355 256906195 277927767 304603065 312239837 320144643 330307965 360276735 401451219 426444291 462431151 463212945 492051105 533574405 579873983 594554337 648498123 669085365 710740485 748267065 770718585 913809195 936719511 990923895 1080830205 1204353657 1279332873 1387293453 1389638835 1561199185 1600723215 1739621949 1945494369 2007256095 2132221455 2312155755 2810158533 2899369915 2972771685 3242490615 3613060971 4059117881 4161880359 4683597555 5218865847 6021768285 6396664365 6936467265 8430475599 8698109745 9727471845 12177353643 14050792665 15656597541 18065304855 20295589405 20809401795 25291426797 26094329235 36532060929 42152377995 46969792623 60886768215 78282987705 109596182787 126457133985 182660304645 234848963115 328788548361 547980913935 1643942741805
• Sum of all divisors σ(n): 3709117969920
• Sum of proper divisors (its aliquot sum) s(n): 2065175228115
• 1643942741805 is an abundant number, because the sum of its proper divisors (2065175228115) is greater than itself. Its abundance is 421232486310

Bases of 1643942741805

• Binary: 10111111011000010100111111000011100101101₂
• Hexadecimal: 0x17EC29F872D
• Base-36: KZ7T29T9

Squares and roots of 1643942741805

• 1643942741805 squared (1643942741805²) is 2702547738333340894658025
• 1643942741805 cubed (1643942741805³) is 4442833738814614131409845296346235125
• The square root of 1643942741805 is 1282163.3054353879
• The cube root of 1643942741805 is 11802.1798658919

Scales and comparisons

• 1,643,942,741,805 seconds is equal to 52,272 years, 15 weeks, 2 days, 1 hour, 36 minutes, 45 seconds.
• To count from 1 to 1,643,942,741,805 would take you about one hundred thirty thousand, six hundred eighty 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 1643942741805 cubic inches would be around 983.5 feet tall.

Recreational maths with 1643942741805

• 1643942741805 backwards is 5081472493461
• The number of decimal digits it has is: 13
• The sum of 1643942741805's digits is 54
• More coming soon!