30428

Names of 30428

• Cardinal: 30428 can be written as Thirty thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 3.0428 × 10⁴

Factors of 30428

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7609

Divisors of 30428

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 7607 15214 30428
• Sum of all divisors σ(n): 53256
• Sum of proper divisors (its aliquot sum) s(n): 22828
• 30428 is a deficient number, because the sum of its proper divisors (22828) is less than itself. Its deficiency is 7600

Bases of 30428

• Binary: 111011011011100₂
• Hexadecimal: 0x76DC
• Base-36: NH8

Squares and roots of 30428

• 30428 squared (30428²) is 925863184
• 30428 cubed (30428³) is 28172164962752
• The square root of 30428 is 174.4362347679
• The cube root of 30428 is 31.2193940345

Scales and comparisons

• 30,428 seconds is equal to 8 hours, 27 minutes, 8 seconds.
• To count from 1 to 30,428 would take you about eight 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 30428 cubic inches would be around 2.6 feet tall.

Recreational maths with 30428

• 30428 backwards is 82403
• The number of decimal digits it has is: 5
• The sum of 30428's digits is 17
• More coming soon!