28540008

Names of 28540008

• Cardinal: 28540008 can be written as Twenty-eight million, five hundred forty thousand and eight.

Scientific notation

• Scientific notation: 2.8540008 × 10⁷

Factors of 28540008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3360

Divisors of 28540008

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 17 18 21 24 28 34 36 42 51 56 63 68 72 84 102 119 126 136 153 168 204 238 252 306 357 408 476 504 612 714 952 1071 1224 1428 2142 2856 3331 4284 6662 8568 9993 13324 19986 23317 26648 29979 39972 46634 56627 59958 69951 79944 93268 113254 119916 139902 169881 186536 209853 226508 239832 279804 339762 396389 419706 453016 509643 559608 679524 792778 839412 1019286 1189167 1359048 1585556 1678824 2038572 2378334 3171112 3567501 4077144 4756668 7135002 9513336 14270004 28540008
• Sum of all divisors σ(n): 93562560
• Sum of proper divisors (its aliquot sum) s(n): 65022552
• 28540008 is an abundant number, because the sum of its proper divisors (65022552) is greater than itself. Its abundance is 36482544

Bases of 28540008

• Binary: 1101100110111110001101000₂
• Hexadecimal: 0x1B37C68
• Base-36: GZPM0

Squares and roots of 28540008

• 28540008 squared (28540008²) is 814532056640064
• 28540008 cubed (28540008³) is 23246751412763879680512
• The square root of 28540008 is 5342.2849044205
• The cube root of 28540008 is 305.5986022341

Scales and comparisons

• 28,540,008 seconds is equal to 47 weeks, 1 day, 7 hours, 46 minutes, 48 seconds.
• To count from 1 to 28,540,008 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 28540008 cubic inches would be around 25.5 feet tall.

Recreational maths with 28540008

• 28540008 backwards is 80004582
• The number of decimal digits it has is: 8
• The sum of 28540008's digits is 27
• More coming soon!