12904995

Names of 12904995

• Cardinal: 12904995 can be written as Twelve million, nine hundred four thousand, nine hundred ninety-five.

Scientific notation

• Scientific notation: 1.2904995 × 10⁷

Factors of 12904995

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 860341

Divisors of 12904995

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 860333 2580999 4301665 12904995
• Sum of all divisors σ(n): 20648016
• Sum of proper divisors (its aliquot sum) s(n): 7743021
• 12904995 is a deficient number, because the sum of its proper divisors (7743021) is less than itself. Its deficiency is 5161974

Bases of 12904995

• Binary: 110001001110101000100011₂
• Hexadecimal: 0xC4EA23
• Base-36: 7OLK3

Squares and roots of 12904995

• 12904995 squared (12904995²) is 166538895950025
• 12904995 cubed (12904995³) is 2149183619540592874875
• The square root of 12904995 is 3592.3522934143
• The cube root of 12904995 is 234.5592765863

Scales and comparisons

• 12,904,995 seconds is equal to 21 weeks, 2 days, 8 hours, 43 minutes, 15 seconds.
• To count from 1 to 12,904,995 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 12904995 cubic inches would be around 19.5 feet tall.

Recreational maths with 12904995

• 12904995 backwards is 59940921
• The number of decimal digits it has is: 8
• The sum of 12904995's digits is 39
• More coming soon!