28667628

Names of 28667628

• Cardinal: 28667628 can be written as Twenty-eight million, six hundred sixty-seven thousand, six hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8667628 × 10⁷

Factors of 28667628

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 484

Divisors of 28667628

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 59 66 99 108 118 132 177 198 236 297 354 396 409 531 594 649 708 818 1062 1188 1227 1298 1593 1636 1947 2124 2454 2596 3186 3681 3894 4499 4908 5841 6372 7362 7788 8998 11043 11682 13497 14724 17523 17996 22086 23364 24131 26994 35046 40491 44172 48262 53988 70092 72393 80982 96524 121473 144786 161964 217179 242946 265441 289572 434358 485892 530882 651537 796323 868716 1061764 1303074 1592646 2388969 2606148 3185292 4777938 7166907 9555876 14333814 28667628
• Sum of all divisors σ(n): 82656000
• Sum of proper divisors (its aliquot sum) s(n): 53988372
• 28667628 is an abundant number, because the sum of its proper divisors (53988372) is greater than itself. Its abundance is 25320744

Bases of 28667628

• Binary: 1101101010110111011101100₂
• Hexadecimal: 0x1B56EEC
• Base-36: H2G30

Squares and roots of 28667628

• 28667628 squared (28667628²) is 821832895146384
• 28667628 cubed (28667628³) is 23559999716219542057152
• The square root of 28667628 is 5354.2159089823
• The cube root of 28667628 is 306.0534316539

Scales and comparisons

• 28,667,628 seconds is equal to 47 weeks, 2 days, 19 hours, 13 minutes, 48 seconds.
• To count from 1 to 28,667,628 would take you about nineteen 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 28667628 cubic inches would be around 25.5 feet tall.

Recreational maths with 28667628

• 28667628 backwards is 82676682
• The number of decimal digits it has is: 8
• The sum of 28667628's digits is 45
• More coming soon!