8168231989

Names of 8168231989

• Cardinal: 8168231989 can be written as Eight billion, one hundred sixty-eight million, two hundred thirty-one thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 8.168231989 × 10⁹

Factors of 8168231989

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 84099

Divisors of 8168231989

• Number of divisors d(n): 8
• Complete list of divisors:
  1 223 439 83437 97897 18606451 36628843 8168231989
• Sum of all divisors σ(n): 8223649280
• Sum of proper divisors (its aliquot sum) s(n): 55417291
• 8168231989 is a deficient number, because the sum of its proper divisors (55417291) is less than itself. Its deficiency is 8112814698

Bases of 8168231989

• Binary: 111100110110111010101010000110101₂
• Hexadecimal: 0x1E6DD5435
• Base-36: 3R35K51

Squares and roots of 8168231989

• 8168231989 squared (8168231989²) is 66720013826122896121
• 8168231989 cubed (8168231989³) is 544984551241059323940876214669
• The square root of 8168231989 is 90378.2716641561
• The cube root of 8168231989 is 2013.9221938013

Scales and comparisons

• 8,168,231,989 seconds is equal to 259 years, 37 weeks, 4 days, 17 hours, 19 minutes, 49 seconds.
• To count from 1 to 8,168,231,989 would take you about five hundred nineteen 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 8168231989 cubic inches would be around 167.8 feet tall.

Recreational maths with 8168231989

• 8168231989 backwards is 9891328618
• The number of decimal digits it has is: 10
• The sum of 8168231989's digits is 55
• More coming soon!