18620146

Names of 18620146

• Cardinal: 18620146 can be written as Eighteen million, six hundred twenty thousand, one hundred forty-six.

Scientific notation

• Scientific notation: 1.8620146 × 10⁷

Factors of 18620146

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 321068

Divisors of 18620146

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 29 58 321037 642074 9310073 18620146
• Sum of all divisors σ(n): 28893420
• Sum of proper divisors (its aliquot sum) s(n): 10273274
• 18620146 is a deficient number, because the sum of its proper divisors (10273274) is less than itself. Its deficiency is 8346872

Bases of 18620146

• Binary: 1000111000001111011110010₂
• Hexadecimal: 0x11C1EF2
• Base-36: B33EA

Squares and roots of 18620146

• 18620146 squared (18620146²) is 346709837061316
• 18620146 cubed (18620146³) is 6455787785717914872136
• The square root of 18620146 is 4315.1067194219
• The cube root of 18620146 is 265.0499300721

Scales and comparisons

• 18,620,146 seconds is equal to 30 weeks, 5 days, 12 hours, 15 minutes, 46 seconds.
• To count from 1 to 18,620,146 would take you about forty-six 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 18620146 cubic inches would be around 22.1 feet tall.

Recreational maths with 18620146

• 18620146 backwards is 64102681
• The number of decimal digits it has is: 8
• The sum of 18620146's digits is 28
• More coming soon!