30607138

Names of 30607138

• Cardinal: 30607138 can be written as Thirty million, six hundred seven thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.0607138 × 10⁷

Factors of 30607138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 805472

Divisors of 30607138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 19 38 805451 1610902 15303569 30607138
• Sum of all divisors σ(n): 48327120
• Sum of proper divisors (its aliquot sum) s(n): 17719982
• 30607138 is a deficient number, because the sum of its proper divisors (17719982) is less than itself. Its deficiency is 12887156

Bases of 30607138

• Binary: 1110100110000011100100010₂
• Hexadecimal: 0x1D30722
• Base-36: I80MA

Squares and roots of 30607138

• 30607138 squared (30607138²) is 936796896551044
• 30607138 cubed (30607138³) is 28672671890709527752072
• The square root of 30607138 is 5532.3718240913
• The cube root of 30607138 is 312.8053991499

Scales and comparisons

• 30,607,138 seconds is equal to 50 weeks, 4 days, 5 hours, 58 minutes, 58 seconds.
• To count from 1 to 30,607,138 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 30607138 cubic inches would be around 26.1 feet tall.

Recreational maths with 30607138

• 30607138 backwards is 83170603
• The number of decimal digits it has is: 8
• The sum of 30607138's digits is 28
• More coming soon!