18163365913

Names of 18163365913

• Cardinal: 18163365913 can be written as Eighteen billion, one hundred sixty-three million, three hundred sixty-five thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.8163365913 × 10¹⁰

Factors of 18163365913

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 54

Divisors of 18163365913

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 17 19 49 77 119 133 187 209 289 323 361 539 833 931 1309 1463 2023 2261 2527 3179 3553 3971 4913 5491 6137 6859 9163 10241 14161 15827 17689 22253 24871 27797 34391 38437 42959 48013 54043 60401 67507 75449 93347 104329 116603 155771 174097 194579 240737 269059 300713 336091 378301 422807 472549 528143 653429 730303 816221 1026817 1147619 1282633 1773593 1982251 2648107 2959649 3307843 3697001 4574003 5112121 5713547 7187719 8033333 8978431 12415151 13875757 19509523 21804761 33698267 50314033 56233331 62849017 86906057 97130299 136566661 152633327 235887869 370680937 955966627 1068433289 1651215083 2594766559 18163365913
• Sum of all divisors σ(n): 25850275200
• Sum of proper divisors (its aliquot sum) s(n): 7686909287
• 18163365913 is a deficient number, because the sum of its proper divisors (7686909287) is less than itself. Its deficiency is 10476456626

Bases of 18163365913

• Binary: 10000111010100111101111100000011001₂
• Hexadecimal: 0x43A9EF819
• Base-36: 8CDZYU1

Squares and roots of 18163365913

• 18163365913 squared (18163365913²) is 329907861289530323569
• 18163365913 cubed (18163365913³) is 5992237202176987302893035103497
• The square root of 18163365913 is 134771.5322796325
• The cube root of 18163365913 is 2628.6460433405

Scales and comparisons

• 18,163,365,913 seconds is equal to 577 years, 28 weeks, 3 hours, 25 minutes, 13 seconds.
• To count from 1 to 18,163,365,913 would take you about one thousand, one hundred fifty-five 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 18163365913 cubic inches would be around 219.1 feet tall.

Recreational maths with 18163365913

• 18163365913 backwards is 31956336181
• The number of decimal digits it has is: 11
• The sum of 18163365913's digits is 46
• More coming soon!