28136472

Names of 28136472

• Cardinal: 28136472 can be written as Twenty-eight million, one hundred thirty-six thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.8136472 × 10⁷

Factors of 28136472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1016

Divisors of 28136472

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 169 182 273 312 338 364 507 546 676 728 991 1014 1092 1183 1352 1982 2028 2184 2366 2973 3549 3964 4056 4732 5946 6937 7098 7928 9464 11892 12883 13874 14196 20811 23784 25766 27748 28392 38649 41622 51532 55496 77298 83244 90181 103064 154596 166488 167479 180362 270543 309192 334958 360724 502437 541086 669916 721448 1004874 1082172 1172353 1339832 2009748 2164344 2344706 3517059 4019496 4689412 7034118 9378824 14068236 28136472
• Sum of all divisors σ(n): 87137280
• Sum of proper divisors (its aliquot sum) s(n): 59000808
• 28136472 is an abundant number, because the sum of its proper divisors (59000808) is greater than itself. Its abundance is 30864336

Bases of 28136472

• Binary: 1101011010101010000011000₂
• Hexadecimal: 0x1AD5418
• Base-36: GR28O

Squares and roots of 28136472

• 28136472 squared (28136472²) is 791661056606784
• 28136472 cubed (28136472³) is 22274549152707193026048
• The square root of 28136472 is 5304.3823391607
• The cube root of 28136472 is 304.1514423187

Scales and comparisons

• 28,136,472 seconds is equal to 46 weeks, 3 days, 15 hours, 41 minutes, 12 seconds.
• To count from 1 to 28,136,472 would take you about seventeen 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 28136472 cubic inches would be around 25.3 feet tall.

Recreational maths with 28136472

• 28136472 backwards is 27463182
• The number of decimal digits it has is: 8
• The sum of 28136472's digits is 33
• More coming soon!