28439628087

Names of 28439628087

• Cardinal: 28439628087 can be written as Twenty-eight billion, four hundred thirty-nine million, six hundred twenty-eight thousand and eighty-seven.

Scientific notation

• Scientific notation: 2.8439628087 × 10¹⁰

Factors of 28439628087

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 604

Divisors of 28439628087

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 13 23 39 67 69 89 169 201 267 299 409 507 871 897 1157 1227 1541 2047 2613 3471 3887 4623 5317 5963 6141 9407 11323 11661 15041 15951 17889 20033 26611 27403 28221 33969 36401 45123 60099 69121 77519 79833 82209 109203 122291 137149 207363 232557 260429 345943 356239 366873 411447 473213 630269 781287 837223 1007747 1037829 1068717 1419639 1589783 1782937 1890807 2438867 2511669 3023241 4631107 4769349 5348811 6151769 7316601 8193497 10883899 13893321 18455307 23178181 24580491 31705271 32651697 56093941 69534543 95115813 106515461 141490687 168281823 319546383 412168523 424472061 729221233 1236505569 2187663699 9479876029 28439628087
• Sum of all divisors σ(n): 44081625600
• Sum of proper divisors (its aliquot sum) s(n): 15641997513
• 28439628087 is a deficient number, because the sum of its proper divisors (15641997513) is less than itself. Its deficiency is 12797630574

Bases of 28439628087

• Binary: 11010011111001000100100100100110111₂
• Hexadecimal: 0x69F224937
• Base-36: D2C7XH3

Squares and roots of 28439628087

• 28439628087 squared (28439628087²) is 808812445726879279569
• 28439628087 cubed (28439628087³) is 23002325148609319090088857654503
• The square root of 28439628087 is 168640.5291944971
• The cube root of 28439628087 is 3052.3990114701

Scales and comparisons

• 28,439,628,087 seconds is equal to 904 years, 15 weeks, 1 day, 8 hours, 41 minutes, 27 seconds.
• To count from 1 to 28,439,628,087 would take you about one thousand, eight hundred eight years!

  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 28439628087 cubic inches would be around 254.4 feet tall.

Recreational maths with 28439628087

• 28439628087 backwards is 78082693482
• The number of decimal digits it has is: 11
• The sum of 28439628087's digits is 57
• More coming soon!