12728814

Names of 12728814

• Cardinal: 12728814 can be written as Twelve million, seven hundred twenty-eight thousand, eight hundred fourteen.

Scientific notation

• Scientific notation: 1.2728814 × 10⁷

Factors of 12728814

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 8240

Divisors of 12728814

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 8191 16382 24573 49146 57337 114674 172011 303067 344022 606134 909201 1818402 2121469 4242938 6364407 12728814
• Sum of all divisors σ(n): 29884416
• Sum of proper divisors (its aliquot sum) s(n): 17155602
• 12728814 is an abundant number, because the sum of its proper divisors (17155602) is greater than itself. Its abundance is 4426788

Bases of 12728814

• Binary: 110000100011100111101110₂
• Hexadecimal: 0xC239EE
• Base-36: 7KTM6

Squares and roots of 12728814

• 12728814 squared (12728814²) is 162022705846596
• 12728814 cubed (12728814³) is 2062356886498033017144
• The square root of 12728814 is 3567.7463474861
• The cube root of 12728814 is 233.4869686599

Scales and comparisons

• 12,728,814 seconds is equal to 21 weeks, 7 hours, 46 minutes, 54 seconds.
• To count from 1 to 12,728,814 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 12728814 cubic inches would be around 19.5 feet tall.

Recreational maths with 12728814

• 12728814 backwards is 41882721
• The number of decimal digits it has is: 8
• The sum of 12728814's digits is 33
• More coming soon!