28225470

Names of 28225470

• Cardinal: 28225470 can be written as Twenty-eight million, two hundred twenty-five thousand, four hundred seventy.

Scientific notation

• Scientific notation: 2.822547 × 10⁷

Factors of 28225470

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 241

Divisors of 28225470

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 49 65 70 78 91 98 105 130 147 182 195 210 211 245 273 294 343 390 422 455 490 546 633 637 686 735 910 1029 1055 1266 1274 1365 1470 1477 1715 1911 2058 2110 2730 2743 2954 3165 3185 3430 3822 4431 4459 5145 5486 6330 6370 7385 8229 8862 8918 9555 10290 10339 13377 13715 14770 16458 19110 19201 20678 22155 22295 26754 27430 31017 38402 41145 44310 44590 51695 57603 62034 66885 72373 82290 96005 103390 115206 133770 134407 144746 155085 192010 217119 268814 288015 310170 361865 403221 434238 576030 672035 723730 806442 940849 1085595 1344070 1881698 2016105 2171190 2822547 4032210 4704245 5645094 9408490 14112735 28225470
• Sum of all divisors σ(n): 85478400
• Sum of proper divisors (its aliquot sum) s(n): 57252930
• 28225470 is an abundant number, because the sum of its proper divisors (57252930) is greater than itself. Its abundance is 29027460

Bases of 28225470

• Binary: 1101011101010111110111110₂
• Hexadecimal: 0x1AEAFBE
• Base-36: GSYWU

Squares and roots of 28225470

• 28225470 squared (28225470²) is 796677156720900
• 28225470 cubed (28225470³) is 22486587186711061323000
• The square root of 28225470 is 5312.7648169291
• The cube root of 28225470 is 304.4717902259

Scales and comparisons

• 28,225,470 seconds is equal to 46 weeks, 4 days, 16 hours, 24 minutes, 30 seconds.
• To count from 1 to 28,225,470 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 28225470 cubic inches would be around 25.4 feet tall.

Recreational maths with 28225470

• 28225470 backwards is 07452282
• 28225470 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28225470's digits is 30
• More coming soon!