28469904

Names of 28469904

• Cardinal: 28469904 can be written as Twenty-eight million, four hundred sixty-nine thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.8469904 × 10⁷

Factors of 28469904

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 108

Divisors of 28469904

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 24 31 38 48 53 57 62 76 93 106 114 124 152 159 186 212 228 248 304 318 361 372 424 456 496 589 636 722 744 848 912 1007 1083 1178 1272 1444 1488 1643 1767 2014 2166 2356 2544 2888 3021 3286 3534 4028 4332 4712 4929 5776 6042 6572 7068 8056 8664 9424 9858 11191 12084 13144 14136 16112 17328 19133 19716 22382 24168 26288 28272 31217 33573 38266 39432 44764 48336 57399 62434 67146 76532 78864 89528 93651 114798 124868 134292 153064 179056 187302 229596 249736 268584 306128 374604 459192 499472 537168 593123 749208 918384 1186246 1498416 1779369 2372492 3558738 4744984 7117476 9489968 14234952 28469904
• Sum of all divisors σ(n): 81637632
• Sum of proper divisors (its aliquot sum) s(n): 53167728
• 28469904 is an abundant number, because the sum of its proper divisors (53167728) is greater than itself. Its abundance is 24697824

Bases of 28469904

• Binary: 1101100100110101010010000₂
• Hexadecimal: 0x1B26A90
• Base-36: GY7IO

Squares and roots of 28469904

• 28469904 squared (28469904²) is 810535433769216
• 28469904 cubed (28469904³) is 23075865988007937675264
• The square root of 28469904 is 5335.7196328143
• The cube root of 28469904 is 305.3481789257

Scales and comparisons

• 28,469,904 seconds is equal to 47 weeks, 12 hours, 18 minutes, 24 seconds.
• To count from 1 to 28,469,904 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 28469904 cubic inches would be around 25.4 feet tall.

Recreational maths with 28469904

• 28469904 backwards is 40996482
• The number of decimal digits it has is: 8
• The sum of 28469904's digits is 42
• More coming soon!