13856940

Names of 13856940

• Cardinal: 13856940 can be written as Thirteen million, eight hundred fifty-six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.385694 × 10⁷

Factors of 13856940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 460

Divisors of 13856940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 67 90 108 134 135 180 201 268 270 335 383 402 540 603 670 766 804 1005 1149 1206 1340 1532 1809 1915 2010 2298 2412 3015 3447 3618 3830 4020 4596 5745 6030 6894 7236 7660 9045 10341 11490 12060 13788 17235 18090 20682 22980 25661 34470 36180 41364 51322 51705 68940 76983 102644 103410 128305 153966 206820 230949 256610 307932 384915 461898 513220 692847 769830 923796 1154745 1385694 1539660 2309490 2771388 3464235 4618980 6928470 13856940
• Sum of all divisors σ(n): 43868160
• Sum of proper divisors (its aliquot sum) s(n): 30011220
• 13856940 is an abundant number, because the sum of its proper divisors (30011220) is greater than itself. Its abundance is 16154280

Bases of 13856940

• Binary: 110100110111000010101100₂
• Hexadecimal: 0xD370AC
• Base-36: 89030

Squares and roots of 13856940

• 13856940 squared (13856940²) is 192014786163600
• 13856940 cubed (13856940³) is 2660737370981835384000
• The square root of 13856940 is 3722.4911013997
• The cube root of 13856940 is 240.1904737923

Scales and comparisons

• 13,856,940 seconds is equal to 22 weeks, 6 days, 9 hours, 9 minutes.
• To count from 1 to 13,856,940 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 13856940 cubic inches would be around 20 feet tall.

Recreational maths with 13856940

• 13856940 backwards is 04965831
• 13856940 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13856940's digits is 36
• More coming soon!