12927990

Names of 12927990

• Cardinal: 12927990 can be written as Twelve million, nine hundred twenty-seven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.292799 × 10⁷

Factors of 12927990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 25376

Divisors of 12927990

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 25349 50698 76047 126745 152094 253490 380235 430933 760470 861866 1292799 2154665 2585598 4309330 6463995 12927990
• Sum of all divisors σ(n): 32853600
• Sum of proper divisors (its aliquot sum) s(n): 19925610
• 12927990 is an abundant number, because the sum of its proper divisors (19925610) is greater than itself. Its abundance is 6997620

Bases of 12927990

• Binary: 110001010100001111110110₂
• Hexadecimal: 0xC543F6
• Base-36: 7P3AU

Squares and roots of 12927990

• 12927990 squared (12927990²) is 167132925440100
• 12927990 cubed (12927990³) is 2160692788760358399000
• The square root of 12927990 is 3595.5514180721
• The cube root of 12927990 is 234.6985118235

Scales and comparisons

• 12,927,990 seconds is equal to 21 weeks, 2 days, 15 hours, 6 minutes, 30 seconds.
• To count from 1 to 12,927,990 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 12927990 cubic inches would be around 19.6 feet tall.

Recreational maths with 12927990

• 12927990 backwards is 09972921
• The number of decimal digits it has is: 8
• The sum of 12927990's digits is 39
• More coming soon!