12744921

Names of 12744921

• Cardinal: 12744921 can be written as Twelve million, seven hundred forty-four thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.2744921 × 10⁷

Factors of 12744921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 26420

Divisors of 12744921

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 7 21 23 69 161 483 26387 79161 184709 554127 606901 1820703 4248307 12744921
• Sum of all divisors σ(n): 20265984
• Sum of proper divisors (its aliquot sum) s(n): 7521063
• 12744921 is a deficient number, because the sum of its proper divisors (7521063) is less than itself. Its deficiency is 5223858

Bases of 12744921

• Binary: 110000100111100011011001₂
• Hexadecimal: 0xC278D9
• Base-36: 7L61L

Squares and roots of 12744921

• 12744921 squared (12744921²) is 162433011296241
• 12744921 cubed (12744921³) is 2070195896762699141961
• The square root of 12744921 is 3570.0029411753
• The cube root of 12744921 is 233.5854116997

Scales and comparisons

• 12,744,921 seconds is equal to 21 weeks, 12 hours, 15 minutes, 21 seconds.
• To count from 1 to 12,744,921 would take you about thirty-one 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 12744921 cubic inches would be around 19.5 feet tall.

Recreational maths with 12744921

• 12744921 backwards is 12944721
• The number of decimal digits it has is: 8
• The sum of 12744921's digits is 30
• More coming soon!