131438619081

Names of 131438619081

• Cardinal: 131438619081 can be written as One hundred thirty-one billion, four hundred thirty-eight million, six hundred nineteen thousand and eighty-one.

Scientific notation

• Scientific notation: 1.31438619081 × 10¹¹

Factors of 131438619081

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1895

Divisors of 131438619081

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 11 21 27 33 63 77 81 99 151 189 231 243 297 453 567 693 729 891 1057 1359 1661 1701 1723 2079 2187 2673 3171 4077 4983 5103 5169 6237 6561 8019 9513 11627 12061 12231 14949 15309 15507 18711 18953 24057 28539 34881 36183 36693 44847 45927 46521 56133 56859 72171 85617 104643 108549 110079 132671 134541 139563 168399 170577 256851 260173 313929 325647 330237 398013 403623 418689 505197 511731 770553 780519 941787 976941 990711 1194039 1210869 1256067 1535193 1821211 2311659 2341557 2825361 2861903 2930823 3582117 3632607 3768201 4605579 5463633 6934977 7024671 8476083 8585709 8792469 10746351 10897821 11304603 13816737 16390899 20033321 21074013 25428249 25757127 26377407 32239053 41450211 49172697 60099963 63222039 76284747 77271381 79132221 96717159 124350633 147518091 180299889 189666117 231814143 290151477 442554273 540899667 568998351 695442429 870454431 1327662819 1622699001 1706995053 2086327287 3982988457 4868097003 6258981861 11948965371 14604291009 18776945583 43812873027 131438619081
• Sum of all divisors σ(n): 247566179328
• Sum of proper divisors (its aliquot sum) s(n): 116127560247
• 131438619081 is a deficient number, because the sum of its proper divisors (116127560247) is less than itself. Its deficiency is 15311058834

Bases of 131438619081

• Binary: 1111010011010010110100010100111001001₂
• Hexadecimal: 0x1E9A5A29C9
• Base-36: 1ODR5RK9

Squares and roots of 131438619081

• 131438619081 squared (131438619081²) is 17276110585920217284561
• 131438619081 cubed (131438619081³) is 2270748118503999161522165461308441
• The square root of 131438619081 is 362544.6442591587
• The cube root of 131438619081 is 5084.4150537101

Scales and comparisons

• 131,438,619,081 seconds is equal to 4,179 years, 17 weeks, 5 days, 7 hours, 31 minutes, 21 seconds.
• To count from 1 to 131,438,619,081 would take you about eight thousand, three hundred fifty-eight 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 131438619081 cubic inches would be around 423.7 feet tall.

Recreational maths with 131438619081

• 131438619081 backwards is 180916834131
• The number of decimal digits it has is: 12
• The sum of 131438619081's digits is 45
• More coming soon!