28265820

Names of 28265820

• Cardinal: 28265820 can be written as Twenty-eight million, two hundred sixty-five thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.826582 × 10⁷

Factors of 28265820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 513

Divisors of 28265820

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 113 132 165 220 226 330 339 379 452 565 660 678 758 1130 1137 1243 1356 1516 1695 1895 2260 2274 2486 3390 3729 3790 4169 4548 4972 5685 6215 6780 7458 7580 8338 11370 12430 12507 14916 16676 18645 20845 22740 24860 25014 37290 41690 42827 50028 62535 74580 83380 85654 125070 128481 171308 214135 250140 256962 428270 471097 513924 642405 856540 942194 1284810 1413291 1884388 2355485 2569620 2826582 4710970 5653164 7066455 9421940 14132910 28265820
• Sum of all divisors σ(n): 87333120
• Sum of proper divisors (its aliquot sum) s(n): 59067300
• 28265820 is an abundant number, because the sum of its proper divisors (59067300) is greater than itself. Its abundance is 30801480

Bases of 28265820

• Binary: 1101011110100110101011100₂
• Hexadecimal: 0x1AF4D5C
• Base-36: GTU1O

Squares and roots of 28265820

• 28265820 squared (28265820²) is 798956580272400
• 28265820 cubed (28265820³) is 22583162885795209368000
• The square root of 28265820 is 5316.5609184885
• The cube root of 28265820 is 304.6168080309

Scales and comparisons

• 28,265,820 seconds is equal to 46 weeks, 5 days, 3 hours, 37 minutes.
• To count from 1 to 28,265,820 would take you about eighteen 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 28265820 cubic inches would be around 25.4 feet tall.

Recreational maths with 28265820

• 28265820 backwards is 02856282
• 28265820 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28265820's digits is 33
• More coming soon!