640713496064

Names of 640713496064

• Cardinal: 640713496064 can be written as Six hundred forty billion, seven hundred thirteen million, four hundred ninety-six thousand and sixty-four.

Scientific notation

• Scientific notation: 6.40713496064 × 10¹¹

Factors of 640713496064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 45895

Divisors of 640713496064

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 32 53 64 106 128 212 256 424 512 521 848 1042 1696 2084 3392 4168 6784 8336 13568 16672 27136 27613 33344 45319 55226 66688 90638 110452 133376 181276 220904 266752 362552 441808 725104 883616 1450208 1767232 2401907 2900416 3534464 4803814 5800832 7068928 9607628 11601664 14137856 19215256 23203328 23611199 38430512 47222398 76861024 94444796 153722048 188889592 307444096 377779184 614888192 755558368 1229776384 1251393547 1511116736 2502787094 3022233472 5005574188 6044466944 10011148376 12088933888 20022296752 40044593504 80089187008 160178374016 320356748032 640713496064
• Sum of all divisors σ(n): 1306862203680
• Sum of proper divisors (its aliquot sum) s(n): 666148707616
• 640713496064 is an abundant number, because the sum of its proper divisors (666148707616) is greater than itself. Its abundance is 25435211552

Bases of 640713496064

• Binary: 1001010100101101100000000001011000000000₂
• Hexadecimal: 0x952D801600
• Base-36: 86C89TKW

Squares and roots of 640713496064

• 640713496064 squared (640713496064²) is 410513784038553343492096
• 640713496064 cubed (640713496064³) is 263021721753803393669777090511110144
• The square root of 640713496064 is 800445.8108229439
• The cube root of 640713496064 is 8620.9400305221

Scales and comparisons

• 640,713,496,064 seconds is equal to 20,372 years, 36 weeks, 5 days, 11 hours, 7 minutes, 44 seconds.
• To count from 1 to 640,713,496,064 would take you about forty thousand, seven hundred forty-five 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 640713496064 cubic inches would be around 718.4 feet tall.

Recreational maths with 640713496064

• 640713496064 backwards is 460694317046
• The number of decimal digits it has is: 12
• The sum of 640713496064's digits is 50
• More coming soon!