18290

Names of 18290

• Cardinal: 18290 can be written as Eighteen thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.829 × 10⁴

Factors of 18290

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 97

Divisors of 18290

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 10 31 59 62 118 155 295 310 590 1829 3658 9145 18290
• Sum of all divisors σ(n): 34560
• Sum of proper divisors (its aliquot sum) s(n): 16270
• 18290 is a deficient number, because the sum of its proper divisors (16270) is less than itself. Its deficiency is 2020

Bases of 18290

• Binary: 100011101110010₂
• Hexadecimal: 0x4772
• Base-36: E42

Squares and roots of 18290

• 18290 squared (18290²) is 334524100
• 18290 cubed (18290³) is 6118445789000
• The square root of 18290 is 135.2405264705
• The cube root of 18290 is 26.3474083101

Scales and comparisons

• 18,290 seconds is equal to 5 hours, 4 minutes, 50 seconds.
• To count from 1 to 18,290 would take you about five hours.

  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 18290 cubic inches would be around 2.2 feet tall.

Recreational maths with 18290

• 18290 backwards is 09281
• The number of decimal digits it has is: 5
• The sum of 18290's digits is 20
• More coming soon!