139744561663929121

Names of 139744561663929121

• Cardinal: 139744561663929121 can be written as One hundred thirty-nine quadrillion, seven hundred forty-four trillion, five hundred sixty-one billion, six hundred sixty-three million, nine hundred twenty-nine thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.39744561663929121 × 10¹⁷

Factors of 139744561663929121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 12890520

Divisors of 139744561663929121

• Number of divisors d(n): 9
• Complete list of divisors:
  1 29 841 12890491 373824239 10840902931 166164758221081 4818777988411349 139744561663929121
• Sum of all divisors σ(n): 144729515638180083
• Sum of proper divisors (its aliquot sum) s(n): 4984953974250962
• 139744561663929121 is a deficient number, because the sum of its proper divisors (4984953974250962) is less than itself. Its deficiency is 134759607689678159

Bases of 139744561663929121

• Binary: 111110000011110001111000000111101010001010110101100100001₂
• Hexadecimal: 0x1F078F03D456B21
• Base-36: 127ZB9D91KIP

Squares and roots of 139744561663929121

• 139744561663929121 squared (139744561663929121²) is 19528542514643688539323639711832641
• 139744561663929121 cubed (139744561663929121³) is 2729007613644286392507027028563136970413339638238561
• 139744561663929121 is a perfect square number. Its square root is 373824239
• The cube root of 139744561663929121 is 518933.4174356755

Scales and comparisons

• 139,744,561,663,929,121 seconds is equal to 4,443,444,802 years, 31 weeks, 2 days, 7 hours, 52 minutes, 1 second.
• To count from 1 to 139,744,561,663,929,121 would take you about thirteen billion, three hundred thirty million, three hundred thirty-four thousand, four hundred seven 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 139744561663929121 cubic inches would be around 43244.5 feet tall.

Recreational maths with 139744561663929121

• 139744561663929121 backwards is 121929366165447931
• The number of decimal digits it has is: 18
• The sum of 139744561663929121's digits is 79
• More coming soon!