28378896

Names of 28378896

• Cardinal: 28378896 can be written as Twenty-eight million, three hundred seventy-eight thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 2.8378896 × 10⁷

Factors of 28378896

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 187

Divisors of 28378896

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 73 78 84 89 91 104 112 146 156 168 178 182 208 219 267 273 292 312 336 356 364 438 511 534 546 584 623 624 712 728 876 949 1022 1068 1092 1157 1168 1246 1424 1456 1533 1752 1869 1898 2044 2136 2184 2314 2492 2847 3066 3471 3504 3738 3796 4088 4272 4368 4628 4984 5694 6132 6497 6643 6942 7476 7592 8099 8176 9256 9968 11388 12264 12994 13286 13884 14952 15184 16198 18512 19491 19929 22776 24297 24528 25988 26572 27768 29904 32396 38982 39858 45479 45552 48594 51976 53144 55536 64792 77964 79716 84461 90958 97188 103952 106288 129584 136437 155928 159432 168922 181916 194376 253383 272874 311856 318864 337844 363832 388752 506766 545748 591227 675688 727664 1013532 1091496 1182454 1351376 1773681 2027064 2182992 2364908 3547362 4054128 4729816 7094724 9459632 14189448 28378896
• Sum of all divisors σ(n): 92494080
• Sum of proper divisors (its aliquot sum) s(n): 64115184
• 28378896 is an abundant number, because the sum of its proper divisors (64115184) is greater than itself. Its abundance is 35736288

Bases of 28378896

• Binary: 1101100010000011100010000₂
• Hexadecimal: 0x1B10710
• Base-36: GW9AO

Squares and roots of 28378896

• 28378896 squared (28378896²) is 805361738178816
• 28378896 cubed (28378896³) is 22855277010155848667136
• The square root of 28378896 is 5327.1846222935
• The cube root of 28378896 is 305.0224690065

Scales and comparisons

• 28,378,896 seconds is equal to 46 weeks, 6 days, 11 hours, 1 minute, 36 seconds.
• To count from 1 to 28,378,896 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 28378896 cubic inches would be around 25.4 feet tall.

Recreational maths with 28378896

• 28378896 backwards is 69887382
• The number of decimal digits it has is: 8
• The sum of 28378896's digits is 51
• More coming soon!