9901009

Names of 9901009

• Cardinal: 9901009 can be written as Nine million, nine hundred one thousand and nine.

Scientific notation

• Scientific notation: 9.901009 × 10⁶

Factors of 9901009

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 9901009

Divisors of 9901009

• Number of divisors d(n): 2
• Complete list of divisors:
  1 9901009
• Sum of all divisors σ(n): 9901010
• Sum of proper divisors (its aliquot sum) s(n): 1
• 9901009 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 9901008

Bases of 9901009

• Binary: 100101110001001111010001₂
• Hexadecimal: 0x9713D1
• Base-36: 5W7O1

Squares and roots of 9901009

• 9901009 squared (9901009²) is 98029979218081
• 9901009 cubed (9901009³) is 970595706508032943729
• The square root of 9901009 is 3146.5868810505
• The cube root of 9901009 is 214.7302114493

Scales and comparisons

• 9,901,009 seconds is equal to 16 weeks, 2 days, 14 hours, 16 minutes, 49 seconds.
• To count from 1 to 9,901,009 would take you about twenty-four weeks!

  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 9901009 cubic inches would be around 17.9 feet tall.

Recreational maths with 9901009

• 9901009 backwards is 9001099
• The number of decimal digits it has is: 7
• The sum of 9901009's digits is 28
• More coming soon!