28707042

Names of 28707042

• Cardinal: 28707042 can be written as Twenty-eight million, seven hundred seven thousand and forty-two.

Scientific notation

• Scientific notation: 2.8707042 × 10⁷

Factors of 28707042

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 91

Divisors of 28707042

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 29 37 39 42 49 58 74 78 87 91 98 111 147 174 182 203 222 259 273 294 343 377 406 481 518 546 609 637 686 754 777 962 1029 1073 1131 1218 1274 1421 1443 1554 1813 1911 2058 2146 2262 2639 2842 2886 3219 3367 3626 3822 4263 4459 5278 5439 6438 6734 7511 7917 8526 8918 9947 10101 10878 12691 13377 13949 15022 15834 18473 19894 20202 22533 23569 25382 26754 27898 29841 36946 38073 41847 45066 47138 52577 55419 59682 70707 76146 83694 97643 105154 110838 129311 141414 157731 164983 195286 258622 292929 315462 329966 368039 387933 494949 585858 683501 736078 775866 989898 1104117 1367002 2050503 2208234 4101006 4784507 9569014 14353521 28707042
• Sum of all divisors σ(n): 76608000
• Sum of proper divisors (its aliquot sum) s(n): 47900958
• 28707042 is an abundant number, because the sum of its proper divisors (47900958) is greater than itself. Its abundance is 19193916

Bases of 28707042

• Binary: 1101101100000100011100010₂
• Hexadecimal: 0x1B608E2
• Base-36: H3AHU

Squares and roots of 28707042

• 28707042 squared (28707042²) is 824094260389764
• 28707042 cubed (28707042³) is 23657308544967891518088
• The square root of 28707042 is 5357.8952957295
• The cube root of 28707042 is 306.1936277193

Scales and comparisons

• 28,707,042 seconds is equal to 47 weeks, 3 days, 6 hours, 10 minutes, 42 seconds.
• To count from 1 to 28,707,042 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 28707042 cubic inches would be around 25.5 feet tall.

Recreational maths with 28707042

• 28707042 backwards is 24070782
• The number of decimal digits it has is: 8
• The sum of 28707042's digits is 30
• More coming soon!