30321

Names of 30321

• Cardinal: 30321 can be written as Thirty thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 3.0321 × 10⁴

Factors of 30321

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1126

Divisors of 30321

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 9 27 1123 3369 10107 30321
• Sum of all divisors σ(n): 44960
• Sum of proper divisors (its aliquot sum) s(n): 14639
• 30321 is a deficient number, because the sum of its proper divisors (14639) is less than itself. Its deficiency is 15682

Bases of 30321

• Binary: 111011001110001₂
• Hexadecimal: 0x7671
• Base-36: NE9

Squares and roots of 30321

• 30321 squared (30321²) is 919363041
• 30321 cubed (30321³) is 27876006766161
• The square root of 30321 is 174.1292623311
• The cube root of 30321 is 31.1827567441

Scales and comparisons

• 30,321 seconds is equal to 8 hours, 25 minutes, 21 seconds.
• To count from 1 to 30,321 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 30321 cubic inches would be around 2.6 feet tall.

Recreational maths with 30321

• 30321 backwards is 12303
• 30321 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 30321's digits is 9
• More coming soon!