138978156900011

Names of 138978156900011

• Cardinal: 138978156900011 can be written as One hundred thirty-eight trillion, nine hundred seventy-eight billion, one hundred fifty-six million, nine hundred thousand and eleven.

Scientific notation

• Scientific notation: 1.38978156900011 × 10¹⁴

Factors of 138978156900011

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 662

Divisors of 138978156900011

• Number of divisors d(n): 64
• Complete list of divisors:
  1 11 13 37 121 143 407 481 601 1331 1573 4477 5291 6611 7813 17303 22237 49247 58201 72721 85943 244607 289081 361201 640211 799931 945373 2690677 3179891 3973211 4695613 10399103 13364437 29597447 34978801 43705321 51651743 147008807 173737681 217081801 384766811 480758531 568169173 1617096877 1911114491 2387899811 2822063413 6249860903 8032026637 17788065647 21022259401 26266897921 31042697543 88352293007 104416346281 231244853411 288935877131 341469672973 971875223077 1148579809091 3756166402703 10690627453847 12634377900001 138978156900011
• Sum of all divisors σ(n): 169355516088192
• Sum of proper divisors (its aliquot sum) s(n): 30377359188181
• 138978156900011 is a deficient number, because the sum of its proper divisors (30377359188181) is less than itself. Its deficiency is 108600797711830

Bases of 138978156900011

• Binary: 11111100110011001011111101011000110111010101011₂
• Hexadecimal: 0x7E665FAC6EAB
• Base-36: 1D9HOMB3XN

Squares and roots of 138978156900011

• 138978156900011 squared (138978156900011²) is 19314928095324075129451800121
• 138978156900011 cubed (138978156900011³) is 2684353107344379933897388653030200954701331
• The square root of 138978156900011 is 11788899.7323758335
• The cube root of 138978156900011 is 51798.3011150075

Scales and comparisons

• 138,978,156,900,011 seconds is equal to 4,419,075 years, 26 weeks, 15 hours, 20 minutes, 11 seconds.
• To count from 1 to 138,978,156,900,011 would take you about eleven million, forty-seven thousand, six hundred eighty-eight 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 138978156900011 cubic inches would be around 4316.5 feet tall.

Recreational maths with 138978156900011

• 138978156900011 backwards is 110009651879831
• The number of decimal digits it has is: 15
• The sum of 138978156900011's digits is 59
• More coming soon!