5428821

Names of 5428821

• Cardinal: 5428821 can be written as Five million, four hundred twenty-eight thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 5.428821 × 10⁶

Factors of 5428821

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 17675

Divisors of 5428821

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 103 309 17569 52707 1809607 5428821
• Sum of all divisors σ(n): 7309120
• Sum of proper divisors (its aliquot sum) s(n): 1880299
• 5428821 is a deficient number, because the sum of its proper divisors (1880299) is less than itself. Its deficiency is 3548522

Bases of 5428821

• Binary: 10100101101011001010101₂
• Hexadecimal: 0x52D655
• Base-36: 38CWL

Squares and roots of 5428821

• 5428821 squared (5428821²) is 29472097450041
• 5428821 cubed (5428821³) is 159998741550829031661
• The square root of 5428821 is 2329.9830471487
• The cube root of 5428821 is 175.7526332931

Scales and comparisons

• 5,428,821 seconds is equal to 8 weeks, 6 days, 20 hours, 21 seconds.
• To count from 1 to 5,428,821 would take you about thirteen 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 5428821 cubic inches would be around 14.6 feet tall.

Recreational maths with 5428821

• 5428821 backwards is 1288245
• The number of decimal digits it has is: 7
• The sum of 5428821's digits is 30
• More coming soon!