30849938

Names of 30849938

• Cardinal: 30849938 can be written as Thirty million, eight hundred forty-nine thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 3.0849938 × 10⁷

Factors of 30849938

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 422

Divisors of 30849938

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 14 83 139 166 191 278 382 581 973 1162 1337 1946 2674 11537 15853 23074 26549 31706 53098 80759 110971 161518 185843 221942 371686 2203567 4407134 15424969 30849938
• Sum of all divisors σ(n): 54190080
• Sum of proper divisors (its aliquot sum) s(n): 23340142
• 30849938 is a deficient number, because the sum of its proper divisors (23340142) is less than itself. Its deficiency is 7509796

Bases of 30849938

• Binary: 1110101101011101110010010₂
• Hexadecimal: 0x1D6BB92
• Base-36: ID7YQ

Squares and roots of 30849938

• 30849938 squared (30849938²) is 951718674603844
• 30849938 cubed (30849938³) is 29360462104970761961672
• The square root of 30849938 is 5554.2720495127
• The cube root of 30849938 is 313.6303614161

Scales and comparisons

• 30,849,938 seconds is equal to 51 weeks, 1 hour, 25 minutes, 38 seconds.
• To count from 1 to 30,849,938 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 30849938 cubic inches would be around 26.1 feet tall.

Recreational maths with 30849938

• 30849938 backwards is 83994803
• The number of decimal digits it has is: 8
• The sum of 30849938's digits is 44
• More coming soon!