28427081

Names of 28427081

• Cardinal: 28427081 can be written as Twenty-eight million, four hundred twenty-seven thousand and eighty-one.

Scientific notation

• Scientific notation: 2.8427081 × 10⁷

Factors of 28427081

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 28427081

Divisors of 28427081

• Number of divisors d(n): 2
• Complete list of divisors:
  1 28427081
• Sum of all divisors σ(n): 28427082
• Sum of proper divisors (its aliquot sum) s(n): 1
• 28427081 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 28427080

Bases of 28427081

• Binary: 1101100011100001101001001₂
• Hexadecimal: 0x1B1C349
• Base-36: GXAH5

Squares and roots of 28427081

• 28427081 squared (28427081²) is 808098934180561
• 28427081 cubed (28427081³) is 22971893857964476172441
• The square root of 28427081 is 5331.7052619213
• The cube root of 28427081 is 305.1950056353

Scales and comparisons

• 28,427,081 seconds is equal to 47 weeks, 24 minutes, 41 seconds.
• To count from 1 to 28,427,081 would take you about eighteen 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 28427081 cubic inches would be around 25.4 feet tall.

Recreational maths with 28427081

• 28427081 backwards is 18072482
• 28427081 is a twin prime! Its twin is 28427083
• The number of decimal digits it has is: 8
• The sum of 28427081's digits is 32
• More coming soon!