20142642

Names of 20142642

• Cardinal: 20142642 can be written as Twenty million, one hundred forty-two thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 2.0142642 × 10⁷

Factors of 20142642

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1218

Divisors of 20142642

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 13 26 39 78 281 562 843 919 1686 1838 2757 3653 5514 7306 10959 11947 21918 23894 35841 71682 258239 516478 774717 1549434 3357107 6714214 10071321 20142642
• Sum of all divisors σ(n): 43585920
• Sum of proper divisors (its aliquot sum) s(n): 23443278
• 20142642 is an abundant number, because the sum of its proper divisors (23443278) is greater than itself. Its abundance is 3300636

Bases of 20142642

• Binary: 1001100110101101000110010₂
• Hexadecimal: 0x1335A32
• Base-36: BZQ5U

Squares and roots of 20142642

• 20142642 squared (20142642²) is 405726026740164
• 20142642 cubed (20142642³) is 8172394106709550473288
• The square root of 20142642 is 4488.0554809405
• The cube root of 20142642 is 272.0855501513

Scales and comparisons

• 20,142,642 seconds is equal to 33 weeks, 2 days, 3 hours, 10 minutes, 42 seconds.
• To count from 1 to 20,142,642 would take you about forty-nine 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 20142642 cubic inches would be around 22.7 feet tall.

Recreational maths with 20142642

• 20142642 backwards is 24624102
• The number of decimal digits it has is: 8
• The sum of 20142642's digits is 21
• More coming soon!