640109392216

Names of 640109392216

• Cardinal: 640109392216 can be written as Six hundred forty billion, one hundred nine million, three hundred ninety-two thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 6.40109392216 × 10¹¹

Factors of 640109392216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19673973

Divisors of 640109392216

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 14 28 49 56 83 98 166 196 332 392 581 664 1162 2324 4067 4648 8134 16268 32536 19673881 39347762 78695524 137717167 157391048 275434334 550868668 964020169 1101737336 1632932123 1928040338 3265864246 3856080676 6531728492 7712161352 11430524861 13063456984 22861049722 45722099444 80013674027 91444198888 160027348054 320054696108 640109392216
• Sum of all divisors σ(n): 1412978205240
• Sum of proper divisors (its aliquot sum) s(n): 772868813024
• 640109392216 is an abundant number, because the sum of its proper divisors (772868813024) is greater than itself. Its abundance is 132759420808

Bases of 640109392216

• Binary: 1001010100001001011111100011000101011000₂
• Hexadecimal: 0x95097E3158
• Base-36: 8628LS2G

Squares and roots of 640109392216

• 640109392216 squared (640109392216²) is 409740034003136921390656
• 640109392216 cubed (640109392216³) is 262278444132311148188802181661533696
• The square root of 640109392216 is 800068.3672137025
• The cube root of 640109392216 is 8618.2297287909

Scales and comparisons

• 640,109,392,216 seconds is equal to 20,353 years, 25 weeks, 6 days, 12 hours, 30 minutes, 16 seconds.
• To count from 1 to 640,109,392,216 would take you about forty thousand, seven hundred six 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 640109392216 cubic inches would be around 718.2 feet tall.

Recreational maths with 640109392216

• 640109392216 backwards is 612293901046
• The number of decimal digits it has is: 12
• The sum of 640109392216's digits is 43
• More coming soon!