28462140

Names of 28462140

• Cardinal: 28462140 can be written as Twenty-eight million, four hundred sixty-two thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.846214 × 10⁷

Factors of 28462140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 478

Divisors of 28462140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 49 60 63 70 84 90 98 105 126 140 147 180 196 210 245 252 294 315 343 420 441 461 490 588 630 686 735 882 922 980 1029 1260 1372 1383 1470 1715 1764 1844 2058 2205 2305 2766 2940 3087 3227 3430 4116 4149 4410 4610 5145 5532 6174 6454 6860 6915 8298 8820 9220 9681 10290 12348 12908 13830 15435 16135 16596 19362 20580 20745 22589 27660 29043 30870 32270 38724 41490 45178 48405 58086 61740 64540 67767 82980 90356 96810 112945 116172 135534 145215 158123 193620 203301 225890 271068 290430 316246 338835 406602 451780 474369 580860 632492 677670 790615 813204 948738 1016505 1355340 1423107 1581230 1897476 2033010 2371845 2846214 3162460 4066020 4743690 5692428 7115535 9487380 14231070 28462140
• Sum of all divisors σ(n): 100900800
• Sum of proper divisors (its aliquot sum) s(n): 72438660
• 28462140 is an abundant number, because the sum of its proper divisors (72438660) is greater than itself. Its abundance is 43976520

Bases of 28462140

• Binary: 1101100100100110000111100₂
• Hexadecimal: 0x1B24C3C
• Base-36: GY1J0

Squares and roots of 28462140

• 28462140 squared (28462140²) is 810093413379600
• 28462140 cubed (28462140³) is 23056992144688048344000
• The square root of 28462140 is 5334.9920337335
• The cube root of 28462140 is 305.3204193331

Scales and comparisons

• 28,462,140 seconds is equal to 47 weeks, 10 hours, 9 minutes.
• To count from 1 to 28,462,140 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 28462140 cubic inches would be around 25.4 feet tall.

Recreational maths with 28462140

• 28462140 backwards is 04126482
• The number of decimal digits it has is: 8
• The sum of 28462140's digits is 27
• More coming soon!