13720830

Names of 13720830

• Cardinal: 13720830 can be written as Thirteen million, seven hundred twenty thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.372083 × 10⁷

Factors of 13720830

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1372

Divisors of 13720830

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 30 601 761 1202 1522 1803 2283 3005 3606 3805 4566 6010 7610 9015 11415 18030 22830 457361 914722 1372083 2286805 2744166 4573610 6860415 13720830
• Sum of all divisors σ(n): 33028128
• Sum of proper divisors (its aliquot sum) s(n): 19307298
• 13720830 is an abundant number, because the sum of its proper divisors (19307298) is greater than itself. Its abundance is 5586468

Bases of 13720830

• Binary: 110100010101110011111110₂
• Hexadecimal: 0xD15CFE
• Base-36: 86326

Squares and roots of 13720830

• 13720830 squared (13720830²) is 188261175888900
• 13720830 cubed (13720830³) is 2583099589971695787000
• The square root of 13720830 is 3704.1638732647
• The cube root of 13720830 is 239.4014599205

Scales and comparisons

• 13,720,830 seconds is equal to 22 weeks, 4 days, 19 hours, 20 minutes, 30 seconds.
• To count from 1 to 13,720,830 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 13720830 cubic inches would be around 20 feet tall.

Recreational maths with 13720830

• 13720830 backwards is 03802731
• The number of decimal digits it has is: 8
• The sum of 13720830's digits is 24
• More coming soon!