30728022

Names of 30728022

• Cardinal: 30728022 can be written as Thirty million, seven hundred twenty-eight thousand and twenty-two.

Scientific notation

• Scientific notation: 3.0728022 × 10⁷

Factors of 30728022

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 7504

Divisors of 30728022

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 13 26 39 53 78 106 159 318 689 1378 2067 4134 7433 14866 22299 44598 96629 193258 289887 393949 579774 787898 1181847 2363694 5121337 10242674 15364011 30728022
• Sum of all divisors σ(n): 67441248
• Sum of proper divisors (its aliquot sum) s(n): 36713226
• 30728022 is an abundant number, because the sum of its proper divisors (36713226) is greater than itself. Its abundance is 5985204

Bases of 30728022

• Binary: 1110101001101111101010110₂
• Hexadecimal: 0x1D4DF56
• Base-36: IALW6

Squares and roots of 30728022

• 30728022 squared (30728022²) is 944211336032484
• 30728022 cubed (30728022³) is 29013746706255561066648
• The square root of 30728022 is 5543.2862094609
• The cube root of 30728022 is 313.2166702647

Scales and comparisons

• 30,728,022 seconds is equal to 50 weeks, 5 days, 15 hours, 33 minutes, 42 seconds.
• To count from 1 to 30,728,022 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 30728022 cubic inches would be around 26.1 feet tall.

Recreational maths with 30728022

• 30728022 backwards is 22082703
• The number of decimal digits it has is: 8
• The sum of 30728022's digits is 24
• More coming soon!