12428394

Names of 12428394

• Cardinal: 12428394 can be written as Twelve million, four hundred twenty-eight thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 1.2428394 × 10⁷

Factors of 12428394

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 105

Divisors of 12428394

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 11 17 19 22 33 34 38 51 53 57 66 102 106 114 121 159 187 209 242 318 323 363 374 418 561 583 627 646 726 901 969 1007 1122 1166 1254 1749 1802 1938 2014 2057 2299 2703 3021 3498 3553 4114 4598 5406 6042 6171 6413 6897 7106 9911 10659 11077 12342 12826 13794 17119 19239 19822 21318 22154 29733 33231 34238 38478 39083 51357 59466 66462 78166 102714 109021 117249 121847 188309 218042 234498 243694 327063 365541 376618 564927 654126 731082 1129854 2071399 4142798 6214197 12428394
• Sum of all divisors σ(n): 31026240
• Sum of proper divisors (its aliquot sum) s(n): 18597846
• 12428394 is an abundant number, because the sum of its proper divisors (18597846) is greater than itself. Its abundance is 6169452

Bases of 12428394

• Binary: 101111011010010001101010₂
• Hexadecimal: 0xBDA46A
• Base-36: 7EDT6

Squares and roots of 12428394

• 12428394 squared (12428394²) is 154464977419236
• 12428394 cubed (12428394³) is 1919751598567368186984
• The square root of 12428394 is 3525.3927440783
• The cube root of 12428394 is 231.6354386309

Scales and comparisons

• 12,428,394 seconds is equal to 20 weeks, 3 days, 20 hours, 19 minutes, 54 seconds.
• To count from 1 to 12,428,394 would take you about thirty 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 12428394 cubic inches would be around 19.3 feet tall.

Recreational maths with 12428394

• 12428394 backwards is 49382421
• 12428394 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12428394's digits is 33
• More coming soon!