12997747

Names of 12997747

• Cardinal: 12997747 can be written as Twelve million, nine hundred ninety-seven thousand, seven hundred forty-seven.

Scientific notation

• Scientific notation: 1.2997747 × 10⁷

Factors of 12997747

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1856828

Divisors of 12997747

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 1856821 12997747
• Sum of all divisors σ(n): 14854576
• Sum of proper divisors (its aliquot sum) s(n): 1856829
• 12997747 is a deficient number, because the sum of its proper divisors (1856829) is less than itself. Its deficiency is 11140918

Bases of 12997747

• Binary: 110001100101010001110011₂
• Hexadecimal: 0xC65473
• Base-36: 7QL4J

Squares and roots of 12997747

• 12997747 squared (12997747²) is 168941427076009
• 12997747 cubed (12997747³) is 2195857926952914751723
• The square root of 12997747 is 3605.2388270405
• The cube root of 12997747 is 235.1198845077

Scales and comparisons

• 12,997,747 seconds is equal to 21 weeks, 3 days, 10 hours, 29 minutes, 7 seconds.
• To count from 1 to 12,997,747 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 12997747 cubic inches would be around 19.6 feet tall.

Recreational maths with 12997747

• 12997747 backwards is 74779921
• The number of decimal digits it has is: 8
• The sum of 12997747's digits is 46
• More coming soon!