199138513761

Names of 199138513761

• Cardinal: 199138513761 can be written as One hundred ninety-nine billion, one hundred thirty-eight million, five hundred thirteen thousand, seven hundred sixty-one.

Scientific notation

• Scientific notation: 1.99138513761 × 10¹¹

Factors of 199138513761

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 103821

Divisors of 199138513761

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 33 41 43 99 121 123 129 363 369 387 451 473 1089 1353 1419 1763 4059 4257 4961 5203 5289 14883 15609 15867 19393 44649 46827 58179 103723 174537 213323 311169 639969 933507 1140953 1919907 3422859 4252643 4460089 10268577 12550483 12757929 13380267 37651449 38273787 40140801 46779073 49060979 112954347 140337219 147182937 182863649 421011657 441548811 514569803 539670769 548590947 1543709409 1619012307 1645772841 2011500139 4631128227 4857036921 6034500417 18103501251 22126501529 66379504587 199138513761
• Sum of all divisors σ(n): 331418095008
• Sum of proper divisors (its aliquot sum) s(n): 132279581247
• 199138513761 is a deficient number, because the sum of its proper divisors (132279581247) is less than itself. Its deficiency is 66858932514

Bases of 199138513761

• Binary: 10111001011101100101001001001101100001₂
• Hexadecimal: 0x2E5D949361
• Base-36: 2JHDXGM9

Squares and roots of 199138513761

• 199138513761 squared (199138513761²) is 39656147662939986365121
• 199138513761 cubed (199138513761³) is 7897066307084622464487800628930081
• The square root of 199138513761 is 446249.3851659631
• The cube root of 199138513761 is 5839.6267213191

Scales and comparisons

• 199,138,513,761 seconds is equal to 6,331 years, 51 weeks, 2 days, 21 hours, 49 minutes, 21 seconds.
• To count from 1 to 199,138,513,761 would take you about twelve thousand, six hundred sixty-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 199138513761 cubic inches would be around 486.6 feet tall.

Recreational maths with 199138513761

• 199138513761 backwards is 167315831991
• The number of decimal digits it has is: 12
• The sum of 199138513761's digits is 54
• More coming soon!