680268949

Names of 680268949

• Cardinal: 680268949 can be written as Six hundred eighty million, two hundred sixty-eight thousand, nine hundred forty-nine.

Scientific notation

• Scientific notation: 6.80268949 × 10⁸

Factors of 680268949

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 680268949

Divisors of 680268949

• Number of divisors d(n): 2
• Complete list of divisors:
  1 680268949
• Sum of all divisors σ(n): 680268950
• Sum of proper divisors (its aliquot sum) s(n): 1
• 680268949 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 680268948

Bases of 680268949

• Binary: 101000100011000001010010010101₂
• Hexadecimal: 0x288C1495
• Base-36: B90IVP

Squares and roots of 680268949

• 680268949 squared (680268949²) is 462765842973564601
• 680268949 cubed (680268949³) is 314805233632725825905874349
• The square root of 680268949 is 26081.9659726793
• The cube root of 680268949 is 879.4818527725

Scales and comparisons

• 680,268,949 seconds is equal to 21 years, 32 weeks, 5 days, 11 hours, 35 minutes, 49 seconds.
• To count from 1 to 680,268,949 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 680268949 cubic inches would be around 73.3 feet tall.

Recreational maths with 680268949

• 680268949 backwards is 949862086
• The number of decimal digits it has is: 9
• The sum of 680268949's digits is 52
• More coming soon!