28772

Names of 28772

• Cardinal: 28772 can be written as Twenty-eight thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 2.8772 × 10⁴

Factors of 28772

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7195

Divisors of 28772

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 7193 14386 28772
• Sum of all divisors σ(n): 50358
• Sum of proper divisors (its aliquot sum) s(n): 21586
• 28772 is a deficient number, because the sum of its proper divisors (21586) is less than itself. Its deficiency is 7186

Bases of 28772

• Binary: 111000001100100₂
• Hexadecimal: 0x7064
• Base-36: M78

Squares and roots of 28772

• 28772 squared (28772²) is 827827984
• 28772 cubed (28772³) is 23818266755648
• The square root of 28772 is 169.6231116329
• The cube root of 28772 is 30.6424404339

Scales and comparisons

• 28,772 seconds is equal to 7 hours, 59 minutes, 32 seconds.
• To count from 1 to 28,772 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 28772 cubic inches would be around 2.6 feet tall.

Recreational maths with 28772

• 28772 backwards is 27782
• The number of decimal digits it has is: 5
• The sum of 28772's digits is 26
• More coming soon!