9809401989

Names of 9809401989

• Cardinal: 9809401989 can be written as Nine billion, eight hundred nine million, four hundred one thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 9.809401989 × 10⁹

Factors of 9809401989

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 112751779

Divisors of 9809401989

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 29 87 112751747 338255241 3269800663 9809401989
• Sum of all divisors σ(n): 13530209760
• Sum of proper divisors (its aliquot sum) s(n): 3720807771
• 9809401989 is a deficient number, because the sum of its proper divisors (3720807771) is less than itself. Its deficiency is 6088594218

Bases of 9809401989

• Binary: 1001001000101011111001100010000101₂
• Hexadecimal: 0x248AF9885
• Base-36: 4I89J0L

Squares and roots of 9809401989

• 9809401989 squared (9809401989²) is 96224367381797156121
• 9809401989 cubed (9809401989³) is 943903500785267745647880924669
• The square root of 9809401989 is 99042.4251974879
• The cube root of 9809401989 is 2140.6590968505

Scales and comparisons

• 9,809,401,989 seconds is equal to 311 years, 47 weeks, 1 day, 17 hours, 53 minutes, 9 seconds.
• To count from 1 to 9,809,401,989 would take you about six hundred twenty-three 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 9809401989 cubic inches would be around 178.4 feet tall.

Recreational maths with 9809401989

• 9809401989 backwards is 9891049089
• The number of decimal digits it has is: 10
• The sum of 9809401989's digits is 57
• More coming soon!