138672472134

Names of 138672472134

• Cardinal: 138672472134 can be written as One hundred thirty-eight billion, six hundred seventy-two million, four hundred seventy-two thousand, one hundred thirty-four.

Scientific notation

• Scientific notation: 1.38672472134 × 10¹¹

Factors of 138672472134

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 298164

Divisors of 138672472134

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 21 42 11519 23038 34557 69114 80633 161266 241899 286633 483798 573266 859899 1719798 2006431 4012862 6019293 12038586 3301725527 6603451054 9905176581 19810353162 23112078689 46224157378 69336236067 138672472134
• Sum of all divisors σ(n): 316994273280
• Sum of proper divisors (its aliquot sum) s(n): 178321801146
• 138672472134 is an abundant number, because the sum of its proper divisors (178321801146) is greater than itself. Its abundance is 39649329012

Bases of 138672472134

• Binary: 10000001001001100001100000000001000110₂
• Hexadecimal: 0x2049860046
• Base-36: 1RPE0CAU

Squares and roots of 138672472134

• 138672472134 squared (138672472134²) is 19230054527755006513956
• 138672472134 cubed (138672472134³) is 2666679200635406670385551892102104
• The square root of 138672472134 is 372387.5295092465
• The cube root of 138672472134 is 5176.0296162457

Scales and comparisons

• 138,672,472,134 seconds is equal to 4,409 years, 18 weeks, 3 days, 11 hours, 8 minutes, 54 seconds.
• To count from 1 to 138,672,472,134 would take you about eight thousand, eight hundred eighteen 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 138672472134 cubic inches would be around 431.3 feet tall.

Recreational maths with 138672472134

• 138672472134 backwards is 431274276831
• The number of decimal digits it has is: 12
• The sum of 138672472134's digits is 48
• More coming soon!