18523063818

Names of 18523063818

• Cardinal: 18523063818 can be written as Eighteen billion, five hundred twenty-three million, sixty-three thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 1.8523063818 × 10¹⁰

Factors of 18523063818

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 55

Divisors of 18523063818

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 43 63 86 126 129 258 301 387 602 774 903 1806 1849 2709 3698 5418 5547 11094 12943 16641 25886 33282 38829 77658 79507 116487 159014 232974 238521 477042 556549 715563 1113098 1431126 1669647 3339294 3418801 5008941 6837602 10017882 10256403 20512806 23931607 30769209 47863214 61538418 71794821 143589642 147008443 215384463 294016886 430768926 441025329 882050658 1029059101 1323075987 2058118202 2646151974 3087177303 6174354606 9261531909 18523063818
• Sum of all divisors σ(n): 46958696928
• Sum of proper divisors (its aliquot sum) s(n): 28435633110
• 18523063818 is an abundant number, because the sum of its proper divisors (28435633110) is greater than itself. Its abundance is 9912569292

Bases of 18523063818

• Binary: 10001010000000011111000011000001010₂
• Hexadecimal: 0x4500F860A
• Base-36: 8IC5JII

Squares and roots of 18523063818

• 18523063818 squared (18523063818²) is 343103893205700737124
• 18523063818 cubed (18523063818³) is 6355335310053451355157493779432
• The square root of 18523063818 is 136099.4629599985
• The cube root of 18523063818 is 2645.8848586353

Scales and comparisons

• 18,523,063,818 seconds is equal to 588 years, 50 weeks, 5 days, 7 hours, 30 minutes, 18 seconds.
• To count from 1 to 18,523,063,818 would take you about one thousand, one hundred seventy-seven 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 18523063818 cubic inches would be around 220.5 feet tall.

Recreational maths with 18523063818

• 18523063818 backwards is 81836032581
• The number of decimal digits it has is: 11
• The sum of 18523063818's digits is 45
• More coming soon!