13904138122686

Names of 13904138122686

• Cardinal: 13904138122686 can be written as Thirteen trillion, nine hundred four billion, one hundred thirty-eight million, one hundred twenty-two thousand, six hundred eighty-six.

Scientific notation

• Scientific notation: 1.3904138122686 × 10¹³

Factors of 13904138122686

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4087048255

Divisors of 13904138122686

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 1134 1701 3402 4087048243 8174096486 12261144729 24522289458 28609337701 36783434187 57218675402 73566868374 85828013103 110350302561 171656026206 220700605122 257484039309 331050907683 514968078618 662101815366 772452117927 993152723049 1544904235854 1986305446098 2317356353781 4634712707562 6952069061343 13904138122686
• Sum of all divisors σ(n): 35704453459584
• Sum of proper divisors (its aliquot sum) s(n): 21800315336898
• 13904138122686 is an abundant number, because the sum of its proper divisors (21800315336898) is greater than itself. Its abundance is 7896177214212

Bases of 13904138122686

• Binary: 11001010010101001111001101101011010110111110₂
• Hexadecimal: 0xCA54F36B5BE
• Base-36: 4XFH0UDVI

Squares and roots of 13904138122686

• 13904138122686 squared (13904138122686²) is 193325056934730164387854596
• 13904138122686 cubed (13904138122686³) is 2688018294196623133505720774806576964856
• The square root of 13904138122686 is 3728825.3006390633
• The cube root of 13904138122686 is 24046.2869011329

Scales and comparisons

• 13,904,138,122,686 seconds is equal to 442,108 years, 30 weeks, 2 days, 13 hours, 38 minutes, 6 seconds.
• To count from 1 to 13,904,138,122,686 would take you about one million, one hundred five thousand, two hundred seventy-one years!

  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 13904138122686 cubic inches would be around 2003.9 feet tall.

Recreational maths with 13904138122686

• 13904138122686 backwards is 68622183140931
• 13904138122686 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 13904138122686's digits is 54
• More coming soon!