198321018

Names of 198321018

• Cardinal: 198321018 can be written as One hundred ninety-eight million, three hundred twenty-one thousand and eighteen.

Scientific notation

• Scientific notation: 1.98321018 × 10⁸

Factors of 198321018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 106

Divisors of 198321018

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 14 21 41 42 53 82 106 123 159 246 287 318 371 574 742 861 1113 1681 1722 2173 2226 2809 3362 4346 5043 5618 6519 8427 10086 11767 13038 15211 16854 19663 23534 30422 35301 39326 45633 58989 70602 89093 91266 115169 117978 178186 230338 267279 345507 534558 623651 691014 806183 1247302 1612366 1870953 2418549 3741906 4721929 4837098 9443858 14165787 28331574 33053503 66107006 99160509 198321018
• Sum of all divisors σ(n): 473563104
• Sum of proper divisors (its aliquot sum) s(n): 275242086
• 198321018 is an abundant number, because the sum of its proper divisors (275242086) is greater than itself. Its abundance is 76921068

Bases of 198321018

• Binary: 1011110100100010001101111010₂
• Hexadecimal: 0xBD2237A
• Base-36: 3A2PH6

Squares and roots of 198321018

• 198321018 squared (198321018²) is 39331226180556324
• 198321018 cubed (198321018³) is 7800208815316181982017832
• The square root of 198321018 is 14082.6495376403
• The cube root of 198321018 is 583.1624891433

Scales and comparisons

• 198,321,018 seconds is equal to 6 years, 15 weeks, 6 days, 9 hours, 10 minutes, 18 seconds.
• To count from 1 to 198,321,018 would take you about nine years!

  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 198321018 cubic inches would be around 48.6 feet tall.

Recreational maths with 198321018

• 198321018 backwards is 810123891
• The number of decimal digits it has is: 9
• The sum of 198321018's digits is 33
• More coming soon!