30028

Names of 30028

• Cardinal: 30028 can be written as Thirty thousand and twenty-eight.

Scientific notation

• Scientific notation: 3.0028 × 10⁴

Factors of 30028

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7509

Divisors of 30028

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 7507 15014 30028
• Sum of all divisors σ(n): 52556
• Sum of proper divisors (its aliquot sum) s(n): 22528
• 30028 is a deficient number, because the sum of its proper divisors (22528) is less than itself. Its deficiency is 7500

Bases of 30028

• Binary: 111010101001100₂
• Hexadecimal: 0x754C
• Base-36: N64

Squares and roots of 30028

• 30028 squared (30028²) is 901680784
• 30028 cubed (30028³) is 27075670581952
• The square root of 30028 is 173.2858909433
• The cube root of 30028 is 31.0819889991

Scales and comparisons

• 30,028 seconds is equal to 8 hours, 20 minutes, 28 seconds.
• To count from 1 to 30,028 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 30028 cubic inches would be around 2.6 feet tall.

Recreational maths with 30028

• 30028 backwards is 82003
• The number of decimal digits it has is: 5
• The sum of 30028's digits is 13
• More coming soon!