676981990

Names of 676981990

• Cardinal: 676981990 can be written as Six hundred seventy-six million, nine hundred eighty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 6.7698199 × 10⁸

Factors of 676981990

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3982271

Divisors of 676981990

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 10 17 34 85 170 3982247 7964494 19911235 39822470 67698199 135396398 338490995 676981990
• Sum of all divisors σ(n): 1290248352
• Sum of proper divisors (its aliquot sum) s(n): 613266362
• 676981990 is a deficient number, because the sum of its proper divisors (613266362) is less than itself. Its deficiency is 63715628

Bases of 676981990

• Binary: 101000010110011110110011100110₂
• Hexadecimal: 0x2859ECE6
• Base-36: B722NA

Squares and roots of 676981990

• 676981990 squared (676981990²) is 458304614784360100
• 676981990 cubed (676981990³) is 310263970142899521374599000
• The square root of 676981990 is 26018.8775699491
• The cube root of 676981990 is 878.0630564073

Scales and comparisons

• 676,981,990 seconds is equal to 21 years, 27 weeks, 2 days, 10 hours, 33 minutes, 10 seconds.
• To count from 1 to 676,981,990 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 676981990 cubic inches would be around 73.2 feet tall.

Recreational maths with 676981990

• 676981990 backwards is 099189676
• The number of decimal digits it has is: 9
• The sum of 676981990's digits is 55
• More coming soon!