12900272

Names of 12900272

• Cardinal: 12900272 can be written as Twelve million, nine hundred thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.2900272 × 10⁷

Factors of 12900272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 340

Divisors of 12900272

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 37 44 56 74 77 88 112 148 154 176 259 283 296 308 407 518 566 592 616 814 1036 1132 1232 1628 1981 2072 2264 2849 3113 3256 3962 4144 4528 5698 6226 6512 7924 10471 11396 12452 15848 20942 21791 22792 24904 31696 41884 43582 45584 49808 73297 83768 87164 115181 146594 167536 174328 230362 293188 348656 460724 586376 806267 921448 1172752 1612534 1842896 3225068 6450136 12900272
• Sum of all divisors σ(n): 32116992
• Sum of proper divisors (its aliquot sum) s(n): 19216720
• 12900272 is an abundant number, because the sum of its proper divisors (19216720) is greater than itself. Its abundance is 6316448

Bases of 12900272

• Binary: 110001001101011110110000₂
• Hexadecimal: 0xC4D7B0
• Base-36: 7OHWW

Squares and roots of 12900272

• 12900272 squared (12900272²) is 166417017673984
• 12900272 cubed (12900272³) is 2146824793423200923648
• The square root of 12900272 is 3591.6948645453
• The cube root of 12900272 is 234.5306582455

Scales and comparisons

• 12,900,272 seconds is equal to 21 weeks, 2 days, 7 hours, 24 minutes, 32 seconds.
• To count from 1 to 12,900,272 would take you about thirty-one 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 12900272 cubic inches would be around 19.5 feet tall.

Recreational maths with 12900272

• 12900272 backwards is 27200921
• The number of decimal digits it has is: 8
• The sum of 12900272's digits is 23
• More coming soon!