159999999

Names of 159999999

• Cardinal: 159999999 can be written as One hundred fifty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.59999999 × 10⁸

Factors of 159999999

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1300857

Divisors of 159999999

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 41 123 1300813 3902439 53333333 159999999
• Sum of all divisors σ(n): 218536752
• Sum of proper divisors (its aliquot sum) s(n): 58536753
• 159999999 is a deficient number, because the sum of its proper divisors (58536753) is less than itself. Its deficiency is 101463246

Bases of 159999999

• Binary: 1001100010010110011111111111₂
• Hexadecimal: 0x98967FF
• Base-36: 2N9CSF

Squares and roots of 159999999

• 159999999 squared (159999999²) is 25599999680000001
• 159999999 cubed (159999999³) is 4095999923200000479999999
• The square root of 159999999 is 12649.1106011451
• The cube root of 159999999 is 542.8835221879

Scales and comparisons

• 159,999,999 seconds is equal to 5 years, 4 weeks, 3 days, 20 hours, 26 minutes, 39 seconds.
• To count from 1 to 159,999,999 would take you about seven 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 159999999 cubic inches would be around 45.2 feet tall.

Recreational maths with 159999999

• 159999999 backwards is 999999951
• The number of decimal digits it has is: 9
• The sum of 159999999's digits is 69
• More coming soon!