18288142

Names of 18288142

• Cardinal: 18288142 can be written as Eighteen million, two hundred eighty-eight thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.8288142 × 10⁷

Factors of 18288142

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 18074

Divisors of 18288142

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 521 1042 17551 35102 9144071 18288142
• Sum of all divisors σ(n): 27486432
• Sum of proper divisors (its aliquot sum) s(n): 9198290
• 18288142 is a deficient number, because the sum of its proper divisors (9198290) is less than itself. Its deficiency is 9089852

Bases of 18288142

• Binary: 1000101110000111000001110₂
• Hexadecimal: 0x1170E0E
• Base-36: AVZ7Y

Squares and roots of 18288142

• 18288142 squared (18288142²) is 334456137812164
• 18288142 cubed (18288142³) is 6116581341080424559288
• The square root of 18288142 is 4276.4637260241
• The cube root of 18288142 is 263.4651610771

Scales and comparisons

• 18,288,142 seconds is equal to 30 weeks, 1 day, 16 hours, 2 minutes, 22 seconds.
• To count from 1 to 18,288,142 would take you about forty-five 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 18288142 cubic inches would be around 22 feet tall.

Recreational maths with 18288142

• 18288142 backwards is 24188281
• The number of decimal digits it has is: 8
• The sum of 18288142's digits is 34
• More coming soon!