680320836

Names of 680320836

• Cardinal: 680320836 can be written as Six hundred eighty million, three hundred twenty thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 6.80320836 × 10⁸

Factors of 680320836

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3378

Divisors of 680320836

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 108 117 151 156 234 302 351 453 468 604 702 906 1359 1404 1812 1963 2718 3209 3926 4077 5436 5889 6418 7852 8154 9627 11778 12836 16308 17667 19254 23556 28881 35334 38508 41717 53001 57762 70668 83434 86643 106002 115524 125151 166868 173286 212004 250302 346572 375453 484559 500604 750906 969118 1126359 1453677 1501812 1938236 2252718 2907354 4361031 4505436 5814708 6299267 8722062 12598534 13083093 17444124 18897801 25197068 26166186 37795602 52332372 56693403 75591204 113386806 170080209 226773612 340160418 680320836
• Sum of all divisors σ(n): 1912646400
• Sum of proper divisors (its aliquot sum) s(n): 1232325564
• 680320836 is an abundant number, because the sum of its proper divisors (1232325564) is greater than itself. Its abundance is 552004728

Bases of 680320836

• Binary: 101000100011001101111101000100₂
• Hexadecimal: 0x288CDF44
• Base-36: B91MX0

Squares and roots of 680320836

• 680320836 squared (680320836²) is 462836439895738896
• 680320836 cubed (680320836³) is 314877273721132838564437056
• The square root of 680320836 is 26082.9606448347
• The cube root of 680320836 is 879.5042128085

Scales and comparisons

• 680,320,836 seconds is equal to 21 years, 32 weeks, 6 days, 2 hours, 36 seconds.
• To count from 1 to 680,320,836 would take you about thirty-two 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 680320836 cubic inches would be around 73.3 feet tall.

Recreational maths with 680320836

• 680320836 backwards is 638023086
• 680320836 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 680320836's digits is 36
• More coming soon!