28123201

Names of 28123201

• Cardinal: 28123201 can be written as Twenty-eight million, one hundred twenty-three thousand, two hundred one.

Scientific notation

• Scientific notation: 2.8123201 × 10⁷

Factors of 28123201

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 28123201

Divisors of 28123201

• Number of divisors d(n): 2
• Complete list of divisors:
  1 28123201
• Sum of all divisors σ(n): 28123202
• Sum of proper divisors (its aliquot sum) s(n): 1
• 28123201 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 28123200

Bases of 28123201

• Binary: 1101011010010000001000001₂
• Hexadecimal: 0x1AD2041
• Base-36: GQS01

Squares and roots of 28123201

• 28123201 squared (28123201²) is 790914434486401
• 28123201 cubed (28123201³) is 22243045614862387089601
• The square root of 28123201 is 5303.1312448401
• The cube root of 28123201 is 304.1036155625

Scales and comparisons

• 28,123,201 seconds is equal to 46 weeks, 3 days, 12 hours, 1 second.
• To count from 1 to 28,123,201 would take you about seventeen 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 28123201 cubic inches would be around 25.3 feet tall.

Recreational maths with 28123201

• 28123201 backwards is 10232182
• The number of decimal digits it has is: 8
• The sum of 28123201's digits is 19
• More coming soon!