30938342

Names of 30938342

• Cardinal: 30938342 can be written as Thirty million, nine hundred thirty-eight thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 3.0938342 × 10⁷

Factors of 30938342

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1271

Divisors of 30938342

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 109 139 218 278 1021 2042 15151 30302 111289 141919 222578 283838 15469171 30938342
• Sum of all divisors σ(n): 47216400
• Sum of proper divisors (its aliquot sum) s(n): 16278058
• 30938342 is a deficient number, because the sum of its proper divisors (16278058) is less than itself. Its deficiency is 14660284

Bases of 30938342

• Binary: 1110110000001010011100110₂
• Hexadecimal: 0x1D814E6
• Base-36: IF46E

Squares and roots of 30938342

• 30938342 squared (30938342²) is 957181005708964
• 30938342 cubed (30938342³) is 29613593310527880697688
• The square root of 30938342 is 5562.2245549779
• The cube root of 30938342 is 313.9296568461

Scales and comparisons

• 30,938,342 seconds is equal to 51 weeks, 1 day, 1 hour, 59 minutes, 2 seconds.
• To count from 1 to 30,938,342 would take you about twenty-four 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 30938342 cubic inches would be around 26.2 feet tall.

Recreational maths with 30938342

• 30938342 backwards is 24383903
• The number of decimal digits it has is: 8
• The sum of 30938342's digits is 32
• More coming soon!