20528820

Names of 20528820

• Cardinal: 20528820 can be written as Twenty million, five hundred twenty-eight thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 2.052882 × 10⁷

Factors of 20528820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 337

Divisors of 20528820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 31 36 39 45 52 60 62 65 78 90 93 117 124 130 155 156 180 186 195 234 260 279 283 310 372 390 403 465 468 558 566 585 620 780 806 849 930 1116 1132 1170 1209 1395 1415 1612 1698 1860 2015 2340 2418 2547 2790 2830 3396 3627 3679 4030 4245 4836 5094 5580 5660 6045 7254 7358 8060 8490 8773 10188 11037 12090 12735 14508 14716 16980 17546 18135 18395 22074 24180 25470 26319 33111 35092 36270 36790 43865 44148 50940 52638 55185 66222 72540 73580 78957 87730 105276 110370 114049 131595 132444 157914 165555 175460 220740 228098 263190 315828 331110 342147 394785 456196 526380 570245 662220 684294 789570 1026441 1140490 1368588 1579140 1710735 2052882 2280980 3421470 4105764 5132205 6842940 10264410 20528820
• Sum of all divisors σ(n): 69468672
• Sum of proper divisors (its aliquot sum) s(n): 48939852
• 20528820 is an abundant number, because the sum of its proper divisors (48939852) is greater than itself. Its abundance is 28411032

Bases of 20528820

• Binary: 1001110010011111010110100₂
• Hexadecimal: 0x1393EB4
• Base-36: C8050

Squares and roots of 20528820

• 20528820 squared (20528820²) is 421432450592400
• 20528820 cubed (20528820³) is 8651510920370272968000
• The square root of 20528820 is 4530.8740878557
• The cube root of 20528820 is 273.8133774571

Scales and comparisons

• 20,528,820 seconds is equal to 33 weeks, 6 days, 14 hours, 27 minutes.
• To count from 1 to 20,528,820 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 20528820 cubic inches would be around 22.8 feet tall.

Recreational maths with 20528820

• 20528820 backwards is 02882502
• The number of decimal digits it has is: 8
• The sum of 20528820's digits is 27
• More coming soon!