28012

Names of 28012

• Cardinal: 28012 can be written as Twenty-eight thousand and twelve.

Scientific notation

• Scientific notation: 2.8012 × 10⁴

Factors of 28012

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 198

Divisors of 28012

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 47 94 149 188 298 596 7003 14006 28012
• Sum of all divisors σ(n): 50400
• Sum of proper divisors (its aliquot sum) s(n): 22388
• 28012 is a deficient number, because the sum of its proper divisors (22388) is less than itself. Its deficiency is 5624

Bases of 28012

• Binary: 110110101101100₂
• Hexadecimal: 0x6D6C
• Base-36: LM4

Squares and roots of 28012

• 28012 squared (28012²) is 784672144
• 28012 cubed (28012³) is 21980236097728
• The square root of 28012 is 167.3678583241
• The cube root of 28012 is 30.3702270837

Scales and comparisons

• 28,012 seconds is equal to 7 hours, 46 minutes, 52 seconds.
• To count from 1 to 28,012 would take you about seven 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 28012 cubic inches would be around 2.5 feet tall.

Recreational maths with 28012

• 28012 backwards is 21082
• The number of decimal digits it has is: 5
• The sum of 28012's digits is 13
• More coming soon!