12428

Names of 12428

• Cardinal: 12428 can be written as Twelve thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2428 × 10⁴

Factors of 12428

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 254

Divisors of 12428

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 13 26 52 239 478 956 3107 6214 12428
• Sum of all divisors σ(n): 23520
• Sum of proper divisors (its aliquot sum) s(n): 11092
• 12428 is a deficient number, because the sum of its proper divisors (11092) is less than itself. Its deficiency is 1336

Bases of 12428

• Binary: 11000010001100₂
• Hexadecimal: 0x308C
• Base-36: 9L8

Squares and roots of 12428

• 12428 squared (12428²) is 154455184
• 12428 cubed (12428³) is 1919569026752
• The square root of 12428 is 111.4809400749
• The cube root of 12428 is 23.1632990867

Scales and comparisons

• 12,428 seconds is equal to 3 hours, 27 minutes, 8 seconds.
• To count from 1 to 12,428 would take you about three hours.

  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 12428 cubic inches would be around 1.9 feet tall.

Recreational maths with 12428

• 12428 backwards is 82421
• The number of decimal digits it has is: 5
• The sum of 12428's digits is 17
• More coming soon!