18128058

Names of 18128058

• Cardinal: 18128058 can be written as Eighteen million, one hundred twenty-eight thousand and fifty-eight.

Scientific notation

• Scientific notation: 1.8128058 × 10⁷

Factors of 18128058

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 232429

Divisors of 18128058

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 13 26 39 78 232411 464822 697233 1394466 3021343 6042686 9064029 18128058
• Sum of all divisors σ(n): 39045216
• Sum of proper divisors (its aliquot sum) s(n): 20917158
• 18128058 is an abundant number, because the sum of its proper divisors (20917158) is greater than itself. Its abundance is 2789100

Bases of 18128058

• Binary: 1000101001001110010111010₂
• Hexadecimal: 0x1149CBA
• Base-36: ASJP6

Squares and roots of 18128058

• 18128058 squared (18128058²) is 328626486851364
• 18128058 cubed (18128058³) is 5957360013977763971112
• The square root of 18128058 is 4257.7057202207
• The cube root of 18128058 is 262.6941656413

Scales and comparisons

• 18,128,058 seconds is equal to 29 weeks, 6 days, 19 hours, 34 minutes, 18 seconds.
• To count from 1 to 18,128,058 would take you about forty-four 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 18128058 cubic inches would be around 21.9 feet tall.

Recreational maths with 18128058

• 18128058 backwards is 85082181
• The number of decimal digits it has is: 8
• The sum of 18128058's digits is 33
• More coming soon!