13086978

Names of 13086978

• Cardinal: 13086978 can be written as Thirteen million, eighty-six thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.3086978 × 10⁷

Factors of 13086978

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 10009

Divisors of 13086978

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 223 446 669 1338 9781 19562 29343 58686 2181163 4362326 6543489 13086978
• Sum of all divisors σ(n): 26294016
• Sum of proper divisors (its aliquot sum) s(n): 13207038
• 13086978 is an abundant number, because the sum of its proper divisors (13207038) is greater than itself. Its abundance is 120060

Bases of 13086978

• Binary: 110001111011000100000010₂
• Hexadecimal: 0xC7B102
• Base-36: 7SHZ6

Squares and roots of 13086978

• 13086978 squared (13086978²) is 171268993172484
• 13086978 cubed (13086978³) is 2241393545730448313352
• The square root of 13086978 is 3617.5928460787
• The cube root of 13086978 is 235.6566994573

Scales and comparisons

• 13,086,978 seconds is equal to 21 weeks, 4 days, 11 hours, 16 minutes, 18 seconds.
• To count from 1 to 13,086,978 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 13086978 cubic inches would be around 19.6 feet tall.

Recreational maths with 13086978

• 13086978 backwards is 87968031
• The number of decimal digits it has is: 8
• The sum of 13086978's digits is 42
• More coming soon!