38918196018

Names of 38918196018

• Cardinal: 38918196018 can be written as Thirty-eight billion, nine hundred eighteen million, one hundred ninety-six thousand and eighteen.

Scientific notation

• Scientific notation: 3.8918196018 × 10¹⁰

Factors of 38918196018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 124861

Divisors of 38918196018

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 13 18 26 31 39 43 62 78 86 93 117 129 186 234 258 279 387 403 558 559 774 806 1118 1209 1333 1677 2418 2666 3354 3627 3999 5031 7254 7998 10062 11997 17329 23994 34658 51987 103974 124769 155961 249538 311922 374307 748614 1122921 1621997 2245842 3243994 3867839 4865991 5365067 7735678 9731982 10730134 11603517 14597973 16095201 23207034 29195946 32190402 34810551 48285603 50281907 69621102 69745871 96571206 100563814 139491742 150845721 166317077 209237613 301691442 332634154 418475226 452537163 498951231 627712839 905074326 997902462 1255425678 1496853693 2162122001 2993707386 4324244002 6486366003 12972732006 19459098009 38918196018
• Sum of all divisors σ(n): 95919183360
• Sum of proper divisors (its aliquot sum) s(n): 57000987342
• 38918196018 is an abundant number, because the sum of its proper divisors (57000987342) is greater than itself. Its abundance is 18082791324

Bases of 38918196018

• Binary: 100100001111101101001000101100110010₂
• Hexadecimal: 0x90FB48B32
• Base-36: HVMW08I

Squares and roots of 38918196018

• 38918196018 squared (38918196018²) is 1514625981295471056324
• 38918196018 cubed (38918196018³) is 58946510834012744145662950517832
• The square root of 38918196018 is 197276.9525768279
• The cube root of 38918196018 is 3388.8387183241

Scales and comparisons

• 38,918,196,018 seconds is equal to 1,237 years, 24 weeks, 6 days, 2 hours, 18 seconds.
• To count from 1 to 38,918,196,018 would take you about two thousand, four hundred seventy-four 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 38918196018 cubic inches would be around 282.4 feet tall.

Recreational maths with 38918196018

• 38918196018 backwards is 81069181983
• The number of decimal digits it has is: 11
• The sum of 38918196018's digits is 54
• More coming soon!