18090415967934491

Names of 18090415967934491

• Cardinal: 18090415967934491 can be written as Eighteen quadrillion, ninety trillion, four hundred fifteen billion, nine hundred sixty-seven million, nine hundred thirty-four thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 1.8090415967934491 × 10¹⁶

Factors of 18090415967934491

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 509531

Divisors of 18090415967934491

• Number of divisors d(n): 32
• Complete list of divisors:
  1 83 173 347 7237 14359 28801 60031 501691 600671 1252001 2511239 4982573 41640353 86792543 103916083 174086777 208432837 434444347 3630737767 7203781069 14449202491 30117012421 36058880801 301351234661 628117633691 1259866005149 2499712030943 52133763596353 104568878427367 217956818890777 18090415967934491
• Sum of all divisors σ(n): 18469856994640128
• Sum of proper divisors (its aliquot sum) s(n): 379441026705637
• 18090415967934491 is a deficient number, because the sum of its proper divisors (379441026705637) is less than itself. Its deficiency is 17710974941228854

Bases of 18090415967934491

• Binary: 1000000010001010010001100110001100110111001100000011011₂
• Hexadecimal: 0x404523319B981B
• Base-36: 4Y4IMD6LXQZ

Squares and roots of 18090415967934491

• 18090415967934491 squared (18090415967934491²) is 327263149892899206904708867429081
• 18090415967934491 cubed (18090415967934491³) is 5920326512539042620717147215585121456768996332771
• The square root of 18090415967934491 is 134500616.9797540037
• The cube root of 18090415967934491 is 262512.2157541019

Scales and comparisons

• 18,090,415,967,934,491 seconds is equal to 575,219,270 years, 23 weeks, 2 days, 16 hours, 28 minutes, 11 seconds.
• To count from 1 to 18,090,415,967,934,491 would take you about one billion, seven hundred twenty-five million, six hundred fifty-seven thousand, eight hundred eleven 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 18090415967934491 cubic inches would be around 21876 feet tall.

Recreational maths with 18090415967934491

• 18090415967934491 backwards is 19443976951409081
• The number of decimal digits it has is: 17
• The sum of 18090415967934491's digits is 80
• More coming soon!