138193479003871878

Names of 138193479003871878

• Cardinal: 138193479003871878 can be written as One hundred thirty-eight quadrillion, one hundred ninety-three trillion, four hundred seventy-nine billion, three million, eight hundred seventy-one thousand, eight hundred seventy-eight.

Scientific notation

• Scientific notation: 1.38193479003871878 × 10¹⁷

Factors of 138193479003871878

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 60516737309

Divisors of 138193479003871878

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 43 53 86 106 129 159 167 258 318 334 501 1002 2279 4558 6837 7181 8851 13674 14362 17702 21543 26553 43086 53106 380593 761186 1141779 2283558 60516737041 121033474082 181550211123 363100422246 2602219692763 3207387063173 5204439385526 6414774126346 7806659078289 9622161189519 10106295085847 15613318156578 19244322379038 20212590171694 30318885257541 60637770515082 137917643716439 275835287432878 413752931149317 434570688691421 535633639549891 827505862298634 869141377382842 1071267279099782 1303712066074263 1606900918649673 2607424132148526 3213801837299346 23032246500645313 46064493001290626 69096739501935939 138193479003871878
• Sum of all divisors σ(n): 289876138698972672
• Sum of proper divisors (its aliquot sum) s(n): 151682659695100794
• 138193479003871878 is an abundant number, because the sum of its proper divisors (151682659695100794) is greater than itself. Its abundance is 13489180691228916

Bases of 138193479003871878

• Binary: 111101010111101100011110010101010010011010001101010000110₂
• Hexadecimal: 0x1EAF63CAA4D1A86
• Base-36: 11SPHZTX0GW6

Squares and roots of 138193479003871878

• 138193479003871878 squared (138193479003871878²) is 19097437639193577582182115439246884
• 138193479003871878 cubed (138193479003871878³) is 2639141347419650189189720494910884164632116346728152
• The square root of 138193479003871878 is 371743835.1928272101
• The cube root of 138193479003871878 is 517006.3176835639

Scales and comparisons

• 138,193,479,003,871,878 seconds is equal to 4,394,125,171 years, 42 weeks, 6 days, 19 hours, 31 minutes, 18 seconds.
• To count from 1 to 138,193,479,003,871,878 would take you about thirteen billion, one hundred eighty-two million, three hundred seventy-five thousand, five hundred fifteen 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 138193479003871878 cubic inches would be around 43083.9 feet tall.

Recreational maths with 138193479003871878

• 138193479003871878 backwards is 878178300974391831
• The number of decimal digits it has is: 18
• The sum of 138193479003871878's digits is 87
• More coming soon!