12940831

Names of 12940831

• Cardinal: 12940831 can be written as Twelve million, nine hundred forty thousand, eight hundred thirty-one.

Scientific notation

• Scientific notation: 1.2940831 × 10⁷

Factors of 12940831

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 18160

Divisors of 12940831

• Number of divisors d(n): 4
• Complete list of divisors:
  1 743 17417 12940831
• Sum of all divisors σ(n): 12958992
• Sum of proper divisors (its aliquot sum) s(n): 18161
• 12940831 is a deficient number, because the sum of its proper divisors (18161) is less than itself. Its deficiency is 12922670

Bases of 12940831

• Binary: 110001010111011000011111₂
• Hexadecimal: 0xC5761F
• Base-36: 7PD7J

Squares and roots of 12940831

• 12940831 squared (12940831²) is 167465106970561
• 12940831 cubed (12940831³) is 2167137647702951876191
• The square root of 12940831 is 3597.3366536925
• The cube root of 12940831 is 234.7761925329

Scales and comparisons

• 12,940,831 seconds is equal to 21 weeks, 2 days, 18 hours, 40 minutes, 31 seconds.
• To count from 1 to 12,940,831 would take you about thirty-two 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 12940831 cubic inches would be around 19.6 feet tall.

Recreational maths with 12940831

• 12940831 backwards is 13804921
• The number of decimal digits it has is: 8
• The sum of 12940831's digits is 28
• More coming soon!