10009

Names of 10009

• Cardinal: 10009 can be written as Ten thousand and nine.

Scientific notation

• Scientific notation: 1.0009 × 10⁴

Factors of 10009

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 10009

Divisors of 10009

• Number of divisors d(n): 2
• Complete list of divisors:
  1 10009
• Sum of all divisors σ(n): 10010
• Sum of proper divisors (its aliquot sum) s(n): 1
• 10009 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 10008

Bases of 10009

• Binary: 10011100011001₂
• Hexadecimal: 0x2719
• Base-36: 7Q1

Squares and roots of 10009

• 10009 squared (10009²) is 100180081
• 10009 cubed (10009³) is 1002702430729
• The square root of 10009 is 100.0449898795
• The cube root of 10009 is 21.5508082663

Scales and comparisons

• 10,009 seconds is equal to 2 hours, 46 minutes, 49 seconds.
• To count from 1 to 10,009 would take you about two hours.

  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 10009 cubic inches would be around 1.8 feet tall.

Recreational maths with 10009

• 10009 backwards is 90001
• The number of decimal digits it has is: 5
• The sum of 10009's digits is 10
• More coming soon!