640029948788783

Names of 640029948788783

• Cardinal: 640029948788783 can be written as Six hundred forty trillion, twenty-nine billion, nine hundred forty-eight million, seven hundred eighty-eight thousand, seven hundred eighty-three.

Scientific notation

• Scientific notation: 6.40029948788783 × 10¹⁴

Factors of 640029948788783

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 267495

Divisors of 640029948788783

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 19 49 79 133 343 553 931 1501 3871 4733 6517 10507 27097 33131 73549 89927 231917 262657 373907 514843 629489 1623419 1838599 2617349 4406423 4990483 7104233 12870193 18321443 20749903 30844961 34933381 49729631 90091351 128250101 145249321 244533667 348107417 394248157 1016745247 1243155581 1711735669 2436751919 2759737099 7117216729 8702089067 19318159693 23619956039 60914623469 98209290899 135227117851 165339692273 426402364283 687465036293 1157377845911 1865976527081 4812255254051 8101644921377 13061835689567 33685786778357 91432849826969 640029948788783
• Sum of all divisors σ(n): 795790702080000
• Sum of proper divisors (its aliquot sum) s(n): 155760753291217
• 640029948788783 is a deficient number, because the sum of its proper divisors (155760753291217) is less than itself. Its deficiency is 484269195497566

Bases of 640029948788783

• Binary: 10010001100001101010010101101111100100000000101111₂
• Hexadecimal: 0x2461A95BE402F
• Base-36: 6AVDP6FB5B

Squares and roots of 640029948788783

• 640029948788783 squared (640029948788783²) is 409638335346572189568746621089
• 640029948788783 cubed (640029948788783³) is 262180802793788915537606293725373039394444687
• The square root of 640029948788783 is 25298813.1893332695
• The cube root of 640029948788783 is 86178.7318034223

Scales and comparisons

• 640,029,948,788,783 seconds is equal to 20,350,972 years, 32 weeks, 4 days, 21 hours, 46 minutes, 23 seconds.
• To count from 1 to 640,029,948,788,783 would take you about fifty million, eight hundred seventy-seven thousand, four hundred thirty-one 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 640029948788783 cubic inches would be around 7181.6 feet tall.

Recreational maths with 640029948788783

• 640029948788783 backwards is 387887849920046
• The number of decimal digits it has is: 15
• The sum of 640029948788783's digits is 83
• More coming soon!