28888272

Names of 28888272

• Cardinal: 28888272 can be written as Twenty-eight million, eight hundred eighty-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.8888272 × 10⁷

Factors of 28888272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 286

Divisors of 28888272

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 41 42 48 54 56 63 72 82 84 108 112 123 126 144 164 168 189 216 233 246 252 287 328 336 369 378 432 466 492 504 574 656 699 738 756 861 932 984 1008 1107 1148 1398 1476 1512 1631 1722 1864 1968 2097 2214 2296 2583 2796 2952 3024 3262 3444 3728 4194 4428 4592 4893 5166 5592 5904 6291 6524 6888 7749 8388 8856 9553 9786 10332 11184 12582 13048 13776 14679 15498 16776 17712 19106 19572 20664 25164 26096 28659 29358 30996 33552 38212 39144 41328 44037 50328 57318 58716 61992 66871 76424 78288 85977 88074 100656 114636 117432 123984 133742 152848 171954 176148 200613 229272 234864 257931 267484 343908 352296 401226 458544 515862 534968 601839 687816 704592 802452 1031724 1069936 1203678 1375632 1604904 1805517 2063448 2407356 3209808 3611034 4126896 4814712 7222068 9629424 14444136 28888272
• Sum of all divisors σ(n): 97493760
• Sum of proper divisors (its aliquot sum) s(n): 68605488
• 28888272 is an abundant number, because the sum of its proper divisors (68605488) is greater than itself. Its abundance is 39717216

Bases of 28888272

• Binary: 1101110001100110011010000₂
• Hexadecimal: 0x1B8CCD0
• Base-36: H76C0

Squares and roots of 28888272

• 28888272 squared (28888272²) is 834532259145984
• 28888272 cubed (28888272³) is 24108194894983673499648
• The square root of 28888272 is 5374.7811118221
• The cube root of 28888272 is 306.8366186721

Scales and comparisons

• 28,888,272 seconds is equal to 47 weeks, 5 days, 8 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,888,272 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 28888272 cubic inches would be around 25.6 feet tall.

Recreational maths with 28888272

• 28888272 backwards is 27288882
• The number of decimal digits it has is: 8
• The sum of 28888272's digits is 45
• More coming soon!