131138283913

Names of 131138283913

• Cardinal: 131138283913 can be written as One hundred thirty-one billion, one hundred thirty-eight million, two hundred eighty-three thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.31138283913 × 10¹¹

Factors of 131138283913

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 112

Divisors of 131138283913

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 13 31 61 91 169 217 403 427 793 961 1183 1891 2821 3721 5239 5551 6727 10309 12493 13237 24583 26047 29791 36673 48373 58621 72163 87451 115351 162409 172081 208537 319579 338611 387283 410347 628849 762073 807457 1136863 1499563 1817251 2237053 2710981 3575881 4401943 5034679 5334511 9906949 10496941 12720757 19494319 23624263 25031167 35242753 46486453 69348643 110852311 136460233 165369841 307115419 325405171 604323889 775966177 1441080043 2149807933 4230267223 10087560301 18734040559 131138283913
• Sum of all divisors σ(n): 170491396608
• Sum of proper divisors (its aliquot sum) s(n): 39353112695
• 131138283913 is a deficient number, because the sum of its proper divisors (39353112695) is less than itself. Its deficiency is 91785171218

Bases of 131138283913

• Binary: 1111010001000011100110110100110001001₂
• Hexadecimal: 0x1E88736989
• Base-36: 1O8SCJGP

Squares and roots of 131138283913

• 131138283913 squared (131138283913²) is 17197249507646594591569
• 131138283913 cubed (131138283913³) is 2255217788456458586016785798129497
• The square root of 131138283913 is 362130.2029836783
• The cube root of 131138283913 is 5080.5394976585

Scales and comparisons

• 131,138,283,913 seconds is equal to 4,169 years, 41 weeks, 1 day, 5 hours, 5 minutes, 13 seconds.
• To count from 1 to 131,138,283,913 would take you about eight thousand, three hundred thirty-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 131138283913 cubic inches would be around 423.4 feet tall.

Recreational maths with 131138283913

• 131138283913 backwards is 319382831131
• The number of decimal digits it has is: 12
• The sum of 131138283913's digits is 43
• More coming soon!