2131009

Names of 2131009

• Cardinal: 2131009 can be written as Two million, one hundred thirty-one thousand and nine.

Scientific notation

• Scientific notation: 2.131009 × 10⁶

Factors of 2131009

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 15470

Divisors of 2131009

• Number of divisors d(n): 4
• Complete list of divisors:
  1 139 15331 2131009
• Sum of all divisors σ(n): 2146480
• Sum of proper divisors (its aliquot sum) s(n): 15471
• 2131009 is a deficient number, because the sum of its proper divisors (15471) is less than itself. Its deficiency is 2115538

Bases of 2131009

• Binary: 1000001000010001000001₂
• Hexadecimal: 0x208441
• Base-36: 19OAP

Squares and roots of 2131009

• 2131009 squared (2131009²) is 4541199358081
• 2131009 cubed (2131009³) is 9677336702864833729
• The square root of 2131009 is 1459.7975887087
• The cube root of 2131009 is 128.6851484751

Scales and comparisons

• 2,131,009 seconds is equal to 3 weeks, 3 days, 15 hours, 56 minutes, 49 seconds.
• To count from 1 to 2,131,009 would take you about five 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 2131009 cubic inches would be around 10.7 feet tall.

Recreational maths with 2131009

• 2131009 backwards is 9001312
• The number of decimal digits it has is: 7
• The sum of 2131009's digits is 16
• More coming soon!