640379387793717

Names of 640379387793717

• Cardinal: 640379387793717 can be written as Six hundred forty trillion, three hundred seventy-nine billion, three hundred eighty-seven million, seven hundred ninety-three thousand, seven hundred seventeen.

Scientific notation

• Scientific notation: 6.40379387793717 × 10¹⁴

Factors of 640379387793717

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3051

Divisors of 640379387793717

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 9 11 13 27 33 39 99 117 143 251 297 351 429 619 753 773 1287 1381 1857 2259 2319 2761 3263 3861 4143 5571 6777 6809 6957 8047 8283 8503 9789 10049 12429 15191 16713 17953 20427 20871 24141 24849 25509 29367 30147 35893 37287 45573 53859 61281 72423 74547 76527 88101 88517 90441 107679 110539 136719 155369 161577 183843 194023 197483 217269 229581 265551 271323 323037 331617 346631 410157 466107 478487 484731 582069 592449 796653 854839 969111 994851 1039893 1067513 1398321 1435461 1709059 1746207 1777347 2019797 2134253 2389959 2522299 2564517 2984553 3119679 3202539 3812941 4194963 4306383 4506203 5127177 5238621 5263357 5332041 6059391 6220331 6402759 7566897 7693551 9359037 9403229 9607617 11112907 11438823 11742643 12919149 13518609 13877669 15381531 15790071 18178173 18660993 19208277 22217767 22700691 23080653 27745289 28209687 28822851 33338721 34316469 35227929 40555827 41633007 46144593 47370213 49568233 54534519 55982979 57624831 66653301 68102073 68423641 83235867 84629061 100016163 102949407 105683787 120100237 121667481 122241977 124899021 142110639 148704699 152654359 167948937 199959903 205270923 214564589 249707601 253887183 267945763 300048489 317051361 360300711 366725931 374697063 446114097 457963077 599879709 615812769 643693767 660790547 749122803 803837289 1080902133 1100177793 1321102607 1338342291 1373889231 1561303081 1847438307 1931081301 1982371641 2360210479 2411511867 2789339657 2947403393 3242706399 3300533379 3483294919 3963307821 4121667693 4683909243 5793243903 5947114923 7080631437 7234535601 7268696017 8368018971 8590277111 8842210179 10449884757 11889923463 14051727729 17174333891 17841344769 21241894311 21806088051 25104056913 25770831333 26526630537 30682736227 31349654271 35669770389 38316244109 42155183187 51523001673 63725682933 65418264153 75312170739 77312493999 79579891611 92048208681 94048962813 94493048221 114948732327 154569005019 165858427297 196254792459 231937481997 276144626043 283479144663 344846196981 463707015057 497575281891 828433878129 850437433989 1034538590943 1492725845673 1824442700267 2156159554861 2551312301967 4478177537019 5473328100801 6468478664583 16419984302403 19405435993749 23717755103471 49259952907209 58216307981247 71153265310413 213459795931239 640379387793717
• Sum of all divisors σ(n): 1123079518310400
• Sum of proper divisors (its aliquot sum) s(n): 482700130516683
• 640379387793717 is a deficient number, because the sum of its proper divisors (482700130516683) is less than itself. Its deficiency is 157679257277034

Bases of 640379387793717

• Binary: 10010001100110101111110001111011100101000100110101₂
• Hexadecimal: 0x2466BF1EE5135
• Base-36: 6AZU89DWZ9

Squares and roots of 640379387793717

• 640379387793717 squared (640379387793717²) is 410085760311055781452944676089
• 640379387793717 cubed (640379387793717³) is 262610468130914870066452942706274266914332813
• The square root of 640379387793717 is 25305718.4800929333
• The cube root of 640379387793717 is 86194.4127005911

Scales and comparisons

• 640,379,387,793,717 seconds is equal to 20,362,083 years, 36 weeks, 5 days, 20 hours, 1 minute, 57 seconds.
• To count from 1 to 640,379,387,793,717 would take you about fifty million, nine hundred five thousand, two hundred 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 640379387793717 cubic inches would be around 7182.9 feet tall.

Recreational maths with 640379387793717

• 640379387793717 backwards is 717397783973046
• The number of decimal digits it has is: 15
• The sum of 640379387793717's digits is 81
• More coming soon!