849138906

Names of 849138906

• Cardinal: 849138906 can be written as Eight hundred forty-nine million, one hundred thirty-eight thousand, nine hundred six.

Scientific notation

• Scientific notation: 8.49138906 × 10⁸

Factors of 849138906

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3427

Divisors of 849138906

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 673 1346 2019 2731 4038 4711 5462 7403 8193 9422 14133 14806 16386 19117 22209 28266 30041 38234 44418 51821 57351 60082 90123 103642 114702 155463 180246 210287 310926 420574 630861 1261722 1837963 3675926 5513889 11027778 12865741 20217593 25731482 38597223 40435186 60652779 77194446 121305558 141523151 283046302 424569453 849138906
• Sum of all divisors σ(n): 2121255936
• Sum of proper divisors (its aliquot sum) s(n): 1272117030
• 849138906 is an abundant number, because the sum of its proper divisors (1272117030) is greater than itself. Its abundance is 422978124

Bases of 849138906

• Binary: 110010100111001101010011011010₂
• Hexadecimal: 0x329CD4DA
• Base-36: E1JZRU

Squares and roots of 849138906

• 849138906 squared (849138906²) is 721036881682876836
• 849138906 cubed (849138906³) is 612260468897849475453781416
• The square root of 849138906 is 29139.9880919673
• The cube root of 849138906 is 946.9482518545

Scales and comparisons

• 849,138,906 seconds is equal to 26 years, 51 weeks, 6 days, 23 hours, 55 minutes, 6 seconds.
• To count from 1 to 849,138,906 would take you about forty 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 849138906 cubic inches would be around 78.9 feet tall.

Recreational maths with 849138906

• 849138906 backwards is 609831948
• The number of decimal digits it has is: 9
• The sum of 849138906's digits is 48
• More coming soon!