131221089995203001997

Names of 131221089995203001997

• Cardinal: 131221089995203001997 can be written as One hundred thirty-one quintillion, two hundred twenty-one quadrillion, eighty-nine trillion, nine hundred ninety-five billion, two hundred three million, one thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 1.31221089995203001997 × 10²⁰

Factors of 131221089995203001997

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2815155516653

Divisors of 131221089995203001997

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 19 21 49 57 63 133 147 171 399 441 931 1197 2793 5563 8379 16689 38941 50067 105697 116823 272587 317091 350469 739879 817761 951273 2219637 2453283 5179153 6658911 15537459 46612377 2815155511061 8445466533183 19706088577427 25336399599549 53487954710159 59118265732281 137942620041989 160463864130477 177354797196843 374415682971113 413827860125967 481391592391431 1123247048913339 1241483580377901 2620909780797791 3369741146740017 7862729342393373 15660710108032343 23588188027180119 46982130324097029 109624970756226401 140946390972291087 297553492052614517 328874912268679203 767374795293584807 892660476157843551 986624736806037609 2082874444368301619 2302124385880754421 2677981428473530653 6248623333104904857 6906373157642263263 14580121110578111333 18745869999314714571 43740363331734333999 131221089995203001997
• Sum of all divisors σ(n): 232133444405795705760
• Sum of proper divisors (its aliquot sum) s(n): 100912354410592703763
• 131221089995203001997 is a deficient number, because the sum of its proper divisors (100912354410592703763) is less than itself. Its deficiency is 30308735584610298234

Bases of 131221089995203001997

• Binary: 1110001110100001110111101100001110010001011101000111011111010001101₂
• Hexadecimal: 0x71D0EF61C8BA3BE8D
• Base-36: ROYFE8RCP0WP9

Squares and roots of 131221089995203001997

• 131221089995203001997 squared (131221089995203001997²) is 17218974459529165386660044649840785988009
• 131221089995203001997 cubed (131221089995203001997³) is 2259492597178978582731733107720711306778090825157570445053973
• The square root of 131221089995203001997 is 11455177431.8516342219
• The cube root of 131221089995203001997 is 5081608.6262170497

Scales and comparisons

• 131,221,089,995,203,001,997 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 131,221,089,995,203,001,997 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 131221089995203001997 cubic inches would be around 423467.4 feet tall.

Recreational maths with 131221089995203001997

• 131221089995203001997 backwards is 799100302599980122131
• The number of decimal digits it has is: 21
• The sum of 131221089995203001997's digits is 81
• More coming soon!