20428926

Names of 20428926

• Cardinal: 20428926 can be written as Twenty million, four hundred twenty-eight thousand, nine hundred twenty-six.

Scientific notation

• Scientific notation: 2.0428926 × 10⁷

Factors of 20428926

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 269

Divisors of 20428926

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 42 47 79 94 131 141 158 237 262 282 329 393 474 553 658 786 917 987 1106 1659 1834 1974 2751 3318 3713 5502 6157 7426 10349 11139 12314 18471 20698 22278 25991 31047 36942 43099 51982 62094 72443 77973 86198 129297 144886 155946 217329 258594 434658 486403 972806 1459209 2918418 3404821 6809642 10214463 20428926
• Sum of all divisors σ(n): 48660480
• Sum of proper divisors (its aliquot sum) s(n): 28231554
• 20428926 is an abundant number, because the sum of its proper divisors (28231554) is greater than itself. Its abundance is 7802628

Bases of 20428926

• Binary: 1001101111011100001111110₂
• Hexadecimal: 0x137B87E
• Base-36: C5V26

Squares and roots of 20428926

• 20428926 squared (20428926²) is 417341017513476
• 20428926 cubed (20428926³) is 8525828763547505206776
• The square root of 20428926 is 4519.8369439613
• The cube root of 20428926 is 273.3685264355

Scales and comparisons

• 20,428,926 seconds is equal to 33 weeks, 5 days, 10 hours, 42 minutes, 6 seconds.
• To count from 1 to 20,428,926 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 20428926 cubic inches would be around 22.8 feet tall.

Recreational maths with 20428926

• 20428926 backwards is 62982402
• The number of decimal digits it has is: 8
• The sum of 20428926's digits is 33
• More coming soon!