18131208095

Names of 18131208095

• Cardinal: 18131208095 can be written as Eighteen billion, one hundred thirty-one million, two hundred eight thousand and ninety-five.

Scientific notation

• Scientific notation: 1.8131208095 × 10¹⁰

Factors of 18131208095

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 83

Divisors of 18131208095

• Number of divisors d(n): 192
• Complete list of divisors:
  1 5 7 11 13 35 47 49 55 65 77 91 121 143 169 235 245 329 343 385 455 517 539 605 611 637 715 845 847 1001 1183 1331 1573 1645 1715 1859 2303 2585 2695 3055 3185 3619 3773 4235 4277 4459 5005 5687 5915 5929 6655 6721 7007 7865 7943 8281 9295 9317 11011 11515 13013 16121 17303 18095 18865 20449 21385 22295 25333 28435 29645 29939 33605 35035 39715 39809 41405 41503 46585 47047 49049 55055 55601 57967 62557 65065 65219 73931 77077 80605 86515 87373 91091 102245 121121 126665 143143 149695 177331 199045 207515 209573 224939 235235 245245 278005 278663 289835 312785 326095 329329 369655 385385 389207 436865 437899 455455 456533 517517 539539 605605 611611 637637 715715 813241 847847 886655 961103 1002001 1047865 1124695 1393315 1574573 1646645 1946035 1950641 2189495 2282665 2305303 2587585 2697695 2724449 3058055 3065293 3188185 3622619 4066205 4239235 4281277 4805515 5010005 5692687 5934929 6727721 7014007 7872865 9753205 10572133 11022011 11526515 13622245 15326465 18113095 21406385 21457051 25358333 28463435 29674645 29968939 33638605 35070035 39848809 47094047 52860665 55110055 74004931 77154077 107285255 126791665 149844695 199244045 235470235 278941663 329658329 370024655 385770385 518034517 1394708315 1648291645 2590172585 3626241619 18131208095
• Sum of all divisors σ(n): 30863462400
• Sum of proper divisors (its aliquot sum) s(n): 12732254305
• 18131208095 is a deficient number, because the sum of its proper divisors (12732254305) is less than itself. Its deficiency is 5398953790

Bases of 18131208095

• Binary: 10000111000101101000100011110011111₂
• Hexadecimal: 0x438B4479F
• Base-36: 8BUUPPB

Squares and roots of 18131208095

• 18131208095 squared (18131208095²) is 328740706984193529025
• 18131208095 cubed (18131208095³) is 5960466167627832750504697457375
• The square root of 18131208095 is 134652.1744904255
• The cube root of 18131208095 is 2627.0938079671

Scales and comparisons

• 18,131,208,095 seconds is equal to 576 years, 26 weeks, 5 days, 22 hours, 41 minutes, 35 seconds.
• To count from 1 to 18,131,208,095 would take you about one thousand, one hundred fifty-three 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 18131208095 cubic inches would be around 218.9 feet tall.

Recreational maths with 18131208095

• 18131208095 backwards is 59080213181
• The number of decimal digits it has is: 11
• The sum of 18131208095's digits is 38
• More coming soon!