18133885

Names of 18133885

• Cardinal: 18133885 can be written as Eighteen million, one hundred thirty-three thousand, eight hundred eighty-five.

Scientific notation

• Scientific notation: 1.8133885 × 10⁷

Factors of 18133885

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 146

Divisors of 18133885

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 11 19 35 37 55 67 77 95 133 185 209 259 335 385 407 469 665 703 737 1045 1273 1295 1463 2035 2345 2479 2849 3515 3685 4921 5159 6365 7315 7733 8911 12395 14003 14245 17353 24605 25795 27269 38665 44555 47101 54131 70015 86765 98021 136345 190883 235505 270655 329707 490105 518111 954415 1648535 2590555 3626777 18133885
• Sum of all divisors σ(n): 29767680
• Sum of proper divisors (its aliquot sum) s(n): 11633795
• 18133885 is a deficient number, because the sum of its proper divisors (11633795) is less than itself. Its deficiency is 6500090

Bases of 18133885

• Binary: 1000101001011001101111101₂
• Hexadecimal: 0x114B37D
• Base-36: ASO71

Squares and roots of 18133885

• 18133885 squared (18133885²) is 328837785193225
• 18133885 cubed (18133885³) is 5963106580348644929125
• The square root of 18133885 is 4258.3899539615
• The cube root of 18133885 is 262.7223090297

Scales and comparisons

• 18,133,885 seconds is equal to 29 weeks, 6 days, 21 hours, 11 minutes, 25 seconds.
• To count from 1 to 18,133,885 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 18133885 cubic inches would be around 21.9 feet tall.

Recreational maths with 18133885

• 18133885 backwards is 58833181
• 18133885 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18133885's digits is 37
• More coming soon!