138835974146

Names of 138835974146

• Cardinal: 138835974146 can be written as One hundred thirty-eight billion, eight hundred thirty-five million, nine hundred seventy-four thousand, one hundred forty-six.

Scientific notation

• Scientific notation: 1.38835974146 × 10¹¹

Factors of 138835974146

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 157844

Divisors of 138835974146

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 19 23 38 46 53 106 361 437 722 874 1007 1219 2014 2438 8303 16606 19133 23161 38266 46322 157747 315494 440059 880118 2997193 3628181 5994386 7256362 8360591 16721182 56946667 68935439 113893334 137870878 158851229 192293593 317702458 384587186 1309773341 2619546682 3018173351 3653578267 6036346702 7307156534 69417987073 138835974146
• Sum of all divisors σ(n): 233676529344
• Sum of proper divisors (its aliquot sum) s(n): 94840555198
• 138835974146 is a deficient number, because the sum of its proper divisors (94840555198) is less than itself. Its deficiency is 43995418948

Bases of 138835974146

• Binary: 10000001010011010001001101100000000010₂
• Hexadecimal: 0x205344D802
• Base-36: 1RS3CR9E

Squares and roots of 138835974146

• 138835974146 squared (138835974146²) is 19275427717068780429316
• 138835974146 cubed (138835974146³) is 2676122784180053002588266956464136
• The square root of 138835974146 is 372606.9969096125
• The cube root of 138835974146 is 5178.0630860807

Scales and comparisons

• 138,835,974,146 seconds is equal to 4,414 years, 28 weeks, 5 days, 20 hours, 22 minutes, 26 seconds.
• To count from 1 to 138,835,974,146 would take you about eight thousand, eight hundred twenty-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 138835974146 cubic inches would be around 431.5 feet tall.

Recreational maths with 138835974146

• 138835974146 backwards is 641479538831
• The number of decimal digits it has is: 12
• The sum of 138835974146's digits is 59
• More coming soon!