8198487018

Names of 8198487018

• Cardinal: 8198487018 can be written as Eight billion, one hundred ninety-eight million, four hundred eighty-seven thousand and eighteen.

Scientific notation

• Scientific notation: 8.198487018 × 10⁹

Factors of 8198487018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 200

Divisors of 8198487018

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 41 47 82 94 107 123 141 214 246 282 321 369 423 642 738 846 963 1926 1927 2209 3854 4387 4418 5029 5781 6627 8774 10058 11562 13161 13254 15087 17343 19881 26322 30174 34686 39483 39762 45261 78966 90522 90569 103823 181138 206189 207646 236363 271707 311469 412378 472726 543414 618567 622938 709089 815121 934407 1237134 1418178 1630242 1855701 1868814 2127267 3711402 4254534 4256743 8513486 9690883 11109061 12770229 19381766 22218122 25540458 29072649 33327183 38310687 58145298 66654366 76621374 87217947 99981549 174435894 199963098 455471501 910943002 1366414503 2732829006 4099243509 8198487018
• Sum of all divisors σ(n): 18765976320
• Sum of proper divisors (its aliquot sum) s(n): 10567489302
• 8198487018 is an abundant number, because the sum of its proper divisors (10567489302) is greater than itself. Its abundance is 2369002284

Bases of 8198487018

• Binary: 111101000101010101111101111101010₂
• Hexadecimal: 0x1E8AAFBEA
• Base-36: 3RL612I

Squares and roots of 8198487018

• 8198487018 squared (8198487018²) is 67215189384314532324
• 8198487018 cubed (8198487018³) is 551062857579714106087055369832
• The square root of 8198487018 is 90545.4969504281
• The cube root of 8198487018 is 2016.4056442927

Scales and comparisons

• 8,198,487,018 seconds is equal to 260 years, 35 weeks, 4 days, 21 hours, 30 minutes, 18 seconds.
• To count from 1 to 8,198,487,018 would take you about five hundred twenty-one 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 8198487018 cubic inches would be around 168 feet tall.

Recreational maths with 8198487018

• 8198487018 backwards is 8107848918
• The number of decimal digits it has is: 10
• The sum of 8198487018's digits is 54
• More coming soon!