138661207371198

Names of 138661207371198

• Cardinal: 138661207371198 can be written as One hundred thirty-eight trillion, six hundred sixty-one billion, two hundred seven million, three hundred seventy-one thousand, one hundred ninety-eight.

Scientific notation

• Scientific notation: 1.38661207371198 × 10¹⁴

Factors of 138661207371198

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 28935

Divisors of 138661207371198

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 73 146 219 438 657 1314 1787 2393 3574 4786 5361 7179 10722 14358 16083 21537 24677 32166 43074 49354 74031 130451 148062 174689 222093 260902 349378 391353 444186 524067 782706 1048134 1174059 1572201 1801421 2348118 3144402 3602842 4276291 5404263 8552582 10808526 12828873 16212789 25657746 32425578 38486619 44097799 59052061 76973238 88195598 118104122 132293397 177156183 264586794 312169243 354312366 396880191 531468549 624338486 793760382 936507729 1062937098 1873015458 2809523187 3219139327 4310800453 5619046374 6438278654 8621600906 9657417981 12932401359 19314835962 25864802718 28972253943 38797204077 57944507886 77594408154 105526033007 211052066014 316578099021 633156198042 949734297063 1899468594126 7703400409511 15406800819022 23110201228533 46220402457066 69330603685599 138661207371198
• Sum of all divisors σ(n): 304858246414176
• Sum of proper divisors (its aliquot sum) s(n): 166197039042978
• 138661207371198 is an abundant number, because the sum of its proper divisors (166197039042978) is greater than itself. Its abundance is 27535831671780

Bases of 138661207371198

• Binary: 11111100001110010010100000000100110110110111110₂
• Hexadecimal: 0x7E1C94026DBE
• Base-36: 1D5G2UQQBI

Squares and roots of 138661207371198

• 138661207371198 squared (138661207371198²) is 19226930429638374569759955204
• 138661207371198 cubed (138661207371198³) is 2666029387415683712981926452398327079814392
• The square root of 138661207371198 is 11775449.3490141599
• The cube root of 138661207371198 is 51758.8945787137

Scales and comparisons

• 138,661,207,371,198 seconds is equal to 4,408,997 years, 25 weeks, 2 days, 7 hours, 33 minutes, 18 seconds.
• To count from 1 to 138,661,207,371,198 would take you about eleven million, twenty-two thousand, four hundred ninety-three 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 138661207371198 cubic inches would be around 4313.2 feet tall.

Recreational maths with 138661207371198

• 138661207371198 backwards is 891173702166831
• The number of decimal digits it has is: 15
• The sum of 138661207371198's digits is 63
• More coming soon!