18163008

Names of 18163008

• Cardinal: 18163008 can be written as Eighteen million, one hundred sixty-three thousand and eight.

Scientific notation

• Scientific notation: 1.8163008 × 10⁷

Factors of 18163008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 485

Divisors of 18163008

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 64 69 72 92 96 108 138 144 184 192 207 216 276 288 368 414 432 457 552 576 621 736 828 864 914 1104 1242 1371 1472 1656 1728 1828 2208 2484 2742 3312 3656 4113 4416 4968 5484 6624 7312 8226 9936 10511 10968 12339 13248 14624 16452 19872 21022 21936 24678 29248 31533 32904 39744 42044 43872 49356 63066 65808 84088 87744 94599 98712 126132 131616 168176 189198 197424 252264 263232 283797 336352 378396 394848 504528 567594 672704 756792 789696 1009056 1135188 1513584 2018112 2270376 3027168 4540752 6054336 9081504 18163008
• Sum of all divisors σ(n): 55839360
• Sum of proper divisors (its aliquot sum) s(n): 37676352
• 18163008 is an abundant number, because the sum of its proper divisors (37676352) is greater than itself. Its abundance is 19513344

Bases of 18163008

• Binary: 1000101010010010101000000₂
• Hexadecimal: 0x1152540
• Base-36: ATAO0

Squares and roots of 18163008

• 18163008 squared (18163008²) is 329894859608064
• 18163008 cubed (18163008³) is 5991882974220143296512
• The square root of 18163008 is 4261.8080670063
• The cube root of 18163008 is 262.8628777217

Scales and comparisons

• 18,163,008 seconds is equal to 30 weeks, 5 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,163,008 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 18163008 cubic inches would be around 21.9 feet tall.

Recreational maths with 18163008

• 18163008 backwards is 80036181
• 18163008 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18163008's digits is 27
• More coming soon!