20428344

Names of 20428344

• Cardinal: 20428344 can be written as Twenty million, four hundred twenty-eight thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 2.0428344 × 10⁷

Factors of 20428344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 270

Divisors of 20428344

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 109 114 137 152 171 218 228 274 327 342 411 436 456 548 654 684 822 872 981 1096 1233 1308 1368 1644 1962 2071 2466 2603 2616 3288 3924 4142 4932 5206 6213 7809 7848 8284 9864 10412 12426 14933 15618 16568 18639 20824 23427 24852 29866 31236 37278 44799 46854 49704 59732 62472 74556 89598 93708 119464 134397 149112 179196 187416 268794 283727 358392 537588 567454 851181 1075176 1134908 1702362 2269816 2553543 3404724 5107086 6809448 10214172 20428344
• Sum of all divisors σ(n): 59202000
• Sum of proper divisors (its aliquot sum) s(n): 38773656
• 20428344 is an abundant number, because the sum of its proper divisors (38773656) is greater than itself. Its abundance is 18345312

Bases of 20428344

• Binary: 1001101111011011000111000₂
• Hexadecimal: 0x137B638
• Base-36: C5UM0

Squares and roots of 20428344

• 20428344 squared (20428344²) is 417317238582336
• 20428344 cubed (20428344³) is 8525100106890032131584
• The square root of 20428344 is 4519.7725606495
• The cube root of 20428344 is 273.3659304107

Scales and comparisons

• 20,428,344 seconds is equal to 33 weeks, 5 days, 10 hours, 32 minutes, 24 seconds.
• To count from 1 to 20,428,344 would take you about fifty 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 20428344 cubic inches would be around 22.8 feet tall.

Recreational maths with 20428344

• 20428344 backwards is 44382402
• The number of decimal digits it has is: 8
• The sum of 20428344's digits is 27
• More coming soon!