138105433947908461832

Names of 138105433947908461832

• Cardinal: 138105433947908461832 can be written as One hundred thirty-eight quintillion, one hundred five quadrillion, four hundred thirty-three trillion, nine hundred forty-seven billion, nine hundred eight million, four hundred sixty-one thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.38105433947908461832 × 10²⁰

Factors of 138105433947908461832

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 593556898

Divisors of 138105433947908461832

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 7 8 14 28 49 56 98 196 392 593556889 1187113778 2374227556 4154898223 4748455112 8309796446 16619592892 29084287561 33239185784 58168575122 116337150244 232674300488 352309780479358321 704619560958716642 1409239121917433284 2466168463355508247 2818478243834866568 4932336926711016494 9864673853422032988 17263179243488557729 19729347706844065976 34526358486977115458 69052716973954230916 138105433947908461832
• Sum of all divisors σ(n): 301224862817342505405
• Sum of proper divisors (its aliquot sum) s(n): 163119428869434043573
• 138105433947908461832 is an abundant number, because the sum of its proper divisors (163119428869434043573) is greater than itself. Its abundance is 25013994921525581741

Bases of 138105433947908461832

• Binary: 1110111110010011001000100000111011000110000010000011101010100001000₂
• Hexadecimal: 0x77C9910763041D508
• Base-36: T59DEI2P8E9S8

Squares and roots of 138105433947908461832

• 138105433947908461832 squared (138105433947908461832²) is 19073110885940107029875118524708200796224
• 138105433947908461832 cubed (138105433947908461832³) is 2634100255639335295669908829747520941418299988376889513722368
• The square root of 138105433947908461832 is 11751826834.4929445625
• The cube root of 138105433947908461832 is 5168964.9696688319

Scales and comparisons

• 138,105,433,947,908,461,832 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,105,433,947,908,461,832 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 138105433947908461832 cubic inches would be around 430747.1 feet tall.

Recreational maths with 138105433947908461832

• 138105433947908461832 backwards is 238164809749334501831
• The number of decimal digits it has is: 21
• The sum of 138105433947908461832's digits is 89
• More coming soon!