28069272

Names of 28069272

• Cardinal: 28069272 can be written as Twenty-eight million, sixty-nine thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.8069272 × 10⁷

Factors of 28069272

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 167

Divisors of 28069272

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 33 36 42 44 56 61 63 66 72 77 83 84 88 99 122 126 132 154 166 168 183 198 231 244 249 252 264 308 332 366 396 427 462 488 498 504 549 581 616 664 671 693 732 747 792 854 913 924 996 1098 1162 1281 1342 1386 1464 1494 1708 1743 1826 1848 1992 2013 2196 2324 2562 2684 2739 2772 2988 3416 3486 3652 3843 4026 4392 4648 4697 5063 5124 5229 5368 5478 5544 5976 6039 6391 6972 7304 7686 8052 8217 9394 10126 10248 10458 10956 12078 12782 13944 14091 15189 15372 16104 16434 18788 19173 20252 20916 21912 24156 25564 28182 30378 30744 32868 35441 37576 38346 40504 41832 42273 45567 48312 51128 55693 56364 57519 60756 65736 70882 76692 84546 91134 106323 111386 112728 115038 121512 141764 153384 167079 169092 182268 212646 222772 230076 283528 318969 334158 338184 364536 389851 425292 445544 460152 501237 637938 668316 779702 850584 1002474 1169553 1275876 1336632 1559404 2004948 2339106 2551752 3118808 3508659 4009896 4678212 7017318 9356424 14034636 28069272
• Sum of all divisors σ(n): 97493760
• Sum of proper divisors (its aliquot sum) s(n): 69424488
• 28069272 is an abundant number, because the sum of its proper divisors (69424488) is greater than itself. Its abundance is 41355216

Bases of 28069272

• Binary: 1101011000100110110011000₂
• Hexadecimal: 0x1AC4D98
• Base-36: GPME0

Squares and roots of 28069272

• 28069272 squared (28069272²) is 787884030609984
• 28069272 cubed (28069272³) is 22115331159647966811648
• The square root of 28069272 is 5298.0441674263
• The cube root of 28069272 is 303.9091083307

Scales and comparisons

• 28,069,272 seconds is equal to 46 weeks, 2 days, 21 hours, 1 minute, 12 seconds.
• To count from 1 to 28,069,272 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 28069272 cubic inches would be around 25.3 feet tall.

Recreational maths with 28069272

• 28069272 backwards is 27296082
• 28069272 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28069272's digits is 36
• More coming soon!