13897760

Names of 13897760

• Cardinal: 13897760 can be written as Thirteen million, eight hundred ninety-seven thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.389776 × 10⁷

Factors of 13897760

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 86868

Divisors of 13897760

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 86861 173722 347444 434305 694888 868610 1389776 1737220 2779552 3474440 6948880 13897760
• Sum of all divisors σ(n): 32833836
• Sum of proper divisors (its aliquot sum) s(n): 18936076
• 13897760 is an abundant number, because the sum of its proper divisors (18936076) is greater than itself. Its abundance is 5038316

Bases of 13897760

• Binary: 110101000001000000100000₂
• Hexadecimal: 0xD41020
• Base-36: 89VKW

Squares and roots of 13897760

• 13897760 squared (13897760²) is 193147733017600
• 13897760 cubed (13897760³) is 2684320838022680576000
• The square root of 13897760 is 3727.9699569605
• The cube root of 13897760 is 240.4260949171

Scales and comparisons

• 13,897,760 seconds is equal to 22 weeks, 6 days, 20 hours, 29 minutes, 20 seconds.
• To count from 1 to 13,897,760 would take you about thirty-four 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 13897760 cubic inches would be around 20 feet tall.

Recreational maths with 13897760

• 13897760 backwards is 06779831
• The number of decimal digits it has is: 8
• The sum of 13897760's digits is 41
• More coming soon!