30724342

Names of 30724342

• Cardinal: 30724342 can be written as Thirty million, seven hundred twenty-four thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 3.0724342 × 10⁷

Factors of 30724342

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1396574

Divisors of 30724342

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 11 22 1396561 2793122 15362171 30724342
• Sum of all divisors σ(n): 50276232
• Sum of proper divisors (its aliquot sum) s(n): 19551890
• 30724342 is a deficient number, because the sum of its proper divisors (19551890) is less than itself. Its deficiency is 11172452

Bases of 30724342

• Binary: 1110101001101000011110110₂
• Hexadecimal: 0x1D4D0F6
• Base-36: IAJ1Y

Squares and roots of 30724342

• 30724342 squared (30724342²) is 943985191332964
• 30724342 cubed (30724342³) is 29003323861449421809688
• The square root of 30724342 is 5542.9542664539
• The cube root of 30724342 is 313.2041661151

Scales and comparisons

• 30,724,342 seconds is equal to 50 weeks, 5 days, 14 hours, 32 minutes, 22 seconds.
• To count from 1 to 30,724,342 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 30724342 cubic inches would be around 26.1 feet tall.

Recreational maths with 30724342

• 30724342 backwards is 24342703
• The number of decimal digits it has is: 8
• The sum of 30724342's digits is 25
• More coming soon!