28727296

Names of 28727296

• Cardinal: 28727296 can be written as Twenty-eight million, seven hundred twenty-seven thousand, two hundred ninety-six.

Scientific notation

• Scientific notation: 2.8727296 × 10⁷

Factors of 28727296

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 98

Divisors of 28727296

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 83 104 128 166 169 208 256 332 338 416 512 664 676 832 1024 1079 1328 1352 1664 2048 2158 2656 2704 3328 4316 5312 5408 6656 8632 10624 10816 13312 14027 17264 21248 21632 26624 28054 34528 42496 43264 56108 69056 84992 86528 112216 138112 169984 173056 224432 276224 346112 448864 552448 897728 1104896 1795456 2209792 3590912 7181824 14363648 28727296
• Sum of all divisors σ(n): 62948340
• Sum of proper divisors (its aliquot sum) s(n): 34221044
• 28727296 is an abundant number, because the sum of its proper divisors (34221044) is greater than itself. Its abundance is 5493748

Bases of 28727296

• Binary: 1101101100101100000000000₂
• Hexadecimal: 0x1B65800
• Base-36: H3Q4G

Squares and roots of 28727296

• 28727296 squared (28727296²) is 825257535471616
• 28727296 cubed (28727296³) is 23707417497723612430336
• The square root of 28727296 is 5359.7850703177
• The cube root of 28727296 is 306.2656215271

Scales and comparisons

• 28,727,296 seconds is equal to 47 weeks, 3 days, 11 hours, 48 minutes, 16 seconds.
• To count from 1 to 28,727,296 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 28727296 cubic inches would be around 25.5 feet tall.

Recreational maths with 28727296

• 28727296 backwards is 69272782
• The number of decimal digits it has is: 8
• The sum of 28727296's digits is 43
• More coming soon!