20528172

Names of 20528172

• Cardinal: 20528172 can be written as Twenty million, five hundred twenty-eight thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.0528172 × 10⁷

Factors of 20528172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 94

Divisors of 20528172

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 29 36 42 53 58 63 84 87 106 116 126 159 174 203 212 252 261 318 348 371 406 477 522 609 636 742 812 954 1044 1113 1218 1484 1537 1827 1908 2226 2436 2809 3074 3339 3654 4452 4611 5618 6148 6678 7308 8427 9222 10759 11236 13356 13833 16854 18444 19663 21518 25281 27666 32277 33708 39326 43036 50562 55332 58989 64554 78652 81461 96831 101124 117978 129108 162922 176967 193662 235956 244383 325844 353934 387324 488766 570227 707868 733149 977532 1140454 1466298 1710681 2280908 2932596 3421362 5132043 6842724 10264086 20528172
• Sum of all divisors σ(n): 62527920
• Sum of proper divisors (its aliquot sum) s(n): 41999748
• 20528172 is an abundant number, because the sum of its proper divisors (41999748) is greater than itself. Its abundance is 21471576

Bases of 20528172

• Binary: 1001110010011110000101100₂
• Hexadecimal: 0x1393C2C
• Base-36: C7ZN0

Squares and roots of 20528172

• 20528172 squared (20528172²) is 421405845661584
• 20528172 cubed (20528172³) is 8650691681546450144448
• The square root of 20528172 is 4530.8025779103
• The cube root of 20528172 is 273.8104964191

Scales and comparisons

• 20,528,172 seconds is equal to 33 weeks, 6 days, 14 hours, 16 minutes, 12 seconds.
• To count from 1 to 20,528,172 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 20528172 cubic inches would be around 22.8 feet tall.

Recreational maths with 20528172

• 20528172 backwards is 27182502
• The number of decimal digits it has is: 8
• The sum of 20528172's digits is 27
• More coming soon!