30638164

Names of 30638164

• Cardinal: 30638164 can be written as Thirty million, six hundred thirty-eight thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 3.0638164 × 10⁷

Factors of 30638164

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7659543

Divisors of 30638164

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 7659541 15319082 30638164
• Sum of all divisors σ(n): 53616794
• Sum of proper divisors (its aliquot sum) s(n): 22978630
• 30638164 is a deficient number, because the sum of its proper divisors (22978630) is less than itself. Its deficiency is 7659534

Bases of 30638164

• Binary: 1110100111000000001010100₂
• Hexadecimal: 0x1D38054
• Base-36: I8OK4

Squares and roots of 30638164

• 30638164 squared (30638164²) is 938697093290896
• 30638164 cubed (30638164³) is 28759955490569771354944
• The square root of 30638164 is 5535.1751553137
• The cube root of 30638164 is 312.9110588475

Scales and comparisons

• 30,638,164 seconds is equal to 50 weeks, 4 days, 14 hours, 36 minutes, 4 seconds.
• To count from 1 to 30,638,164 would take you about twenty-three 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 30638164 cubic inches would be around 26.1 feet tall.

Recreational maths with 30638164

• 30638164 backwards is 46183603
• The number of decimal digits it has is: 8
• The sum of 30638164's digits is 31
• More coming soon!