138678881072047601592

Names of 138678881072047601592

• Cardinal: 138678881072047601592 can be written as One hundred thirty-eight quintillion, six hundred seventy-eight quadrillion, eight hundred eighty-one trillion, seventy-two billion, forty-seven million, six hundred one thousand, five hundred ninety-two.

Scientific notation

• Scientific notation: 1.38678881072047601592 × 10²⁰

Factors of 138678881072047601592

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 16668984567971

Divisors of 138678881072047601592

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 4 6 8 12 24 346649 693298 1039947 1386596 2079894 2773192 4159788 8319576 16668984221317 33337968442634 50006952663951 66675936885268 100013905327902 133351873770536 200027810655804 400055621311608 5778286711335316733 11556573422670633466 17334860134005950199 23113146845341266932 34669720268011900398 46226293690682533864 69339440536023800796 138678881072047601592
• Sum of all divisors σ(n): 346698202819193082000
• Sum of proper divisors (its aliquot sum) s(n): 208019321747145480408
• 138678881072047601592 is an abundant number, because the sum of its proper divisors (208019321747145480408) is greater than itself. Its abundance is 69340440675097878816

Bases of 138678881072047601592

• Binary: 1111000010010001110010110111001010100110100000010100011011110111000₂
• Hexadecimal: 0x7848E5B95340A37B8
• Base-36: T9M7SJIQ6US3C

Squares and roots of 138678881072047601592

• 138678881072047601592 squared (138678881072047601592²) is 19231832055395122540215613999159560934464
• 138678881072047601592 cubed (138678881072047601592³) is 2667048950407732980546341111048856406031887723827909494066688
• The square root of 138678881072047601592 is 11776199772.0846941139
• The cube root of 138678881072047601592 is 5176109.3541143289

Scales and comparisons

• 138,678,881,072,047,601,592 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,678,881,072,047,601,592 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 138678881072047601592 cubic inches would be around 431342.4 feet tall.

Recreational maths with 138678881072047601592

• 138678881072047601592 backwards is 295106740270188876831
• The number of decimal digits it has is: 21
• The sum of 138678881072047601592's digits is 93
• More coming soon!