30629138

Names of 30629138

• Cardinal: 30629138 can be written as Thirty million, six hundred twenty-nine thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.0629138 × 10⁷

Factors of 30629138

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1981

Divisors of 30629138

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 17 34 733 1229 1466 2458 12461 20893 24922 41786 900857 1801714 15314569 30629138
• Sum of all divisors σ(n): 48752280
• Sum of proper divisors (its aliquot sum) s(n): 18123142
• 30629138 is a deficient number, because the sum of its proper divisors (18123142) is less than itself. Its deficiency is 12505996

Bases of 30629138

• Binary: 1110100110101110100010010₂
• Hexadecimal: 0x1D35D12
• Base-36: I8HLE

Squares and roots of 30629138

• 30629138 squared (30629138²) is 938144094623044
• 30629138 cubed (30629138³) is 28734544938094272656072
• The square root of 30629138 is 5534.3597642365
• The cube root of 30629138 is 312.8803279743

Scales and comparisons

• 30,629,138 seconds is equal to 50 weeks, 4 days, 12 hours, 5 minutes, 38 seconds.
• To count from 1 to 30,629,138 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 30629138 cubic inches would be around 26.1 feet tall.

Recreational maths with 30629138

• 30629138 backwards is 83192603
• The number of decimal digits it has is: 8
• The sum of 30629138's digits is 32
• More coming soon!