13689620

Names of 13689620

• Cardinal: 13689620 can be written as Thirteen million, six hundred eighty-nine thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.368962 × 10⁷

Factors of 13689620

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 304

Divisors of 13689620

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 61 70 98 122 140 196 229 244 245 305 427 458 490 610 854 916 980 1145 1220 1603 1708 2135 2290 2989 3206 4270 4580 5978 6412 8015 8540 11221 11956 13969 14945 16030 22442 27938 29890 32060 44884 55876 56105 59780 69845 97783 112210 139690 195566 224420 279380 391132 488915 684481 977830 1368962 1955660 2737924 3422405 6844810 13689620
• Sum of all divisors σ(n): 34138440
• Sum of proper divisors (its aliquot sum) s(n): 20448820
• 13689620 is an abundant number, because the sum of its proper divisors (20448820) is greater than itself. Its abundance is 6759200

Bases of 13689620

• Binary: 110100001110001100010100₂
• Hexadecimal: 0xD0E314
• Base-36: 85EZ8

Squares and roots of 13689620

• 13689620 squared (13689620²) is 187405695744400
• 13689620 cubed (13689620³) is 2565512760576453128000
• The square root of 13689620 is 3699.9486482923
• The cube root of 13689620 is 239.2198044401

Scales and comparisons

• 13,689,620 seconds is equal to 22 weeks, 4 days, 10 hours, 40 minutes, 20 seconds.
• To count from 1 to 13,689,620 would take you about thirty-three 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 13689620 cubic inches would be around 19.9 feet tall.

Recreational maths with 13689620

• 13689620 backwards is 02698631
• 13689620 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13689620's digits is 35
• More coming soon!