123423016913781

Names of 123423016913781

• Cardinal: 123423016913781 can be written as One hundred twenty-three trillion, four hundred twenty-three billion, sixteen million, nine hundred thirteen thousand, seven hundred eighty-one.

Scientific notation

• Scientific notation: 1.23423016913781 × 10¹⁴

Factors of 123423016913781

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 37217

Divisors of 123423016913781

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 13 39 169 507 823 2469 10699 12269 24109 32097 36807 72327 139087 159497 313417 417261 478491 940251 2073461 4074421 6220383 10097387 12223263 19841707 30292161 59525121 131266031 257942191 295793321 393798093 773826573 887379963 1706458403 3353248483 3845313173 5119375209 10059745449 11535939519 49989071249 149967213747 243437903183 730313709549 3164692741379 9494078224137 41141005637927 123423016913781
• Sum of all divisors σ(n): 178435008489600
• Sum of proper divisors (its aliquot sum) s(n): 55011991575819
• 123423016913781 is a deficient number, because the sum of its proper divisors (55011991575819) is less than itself. Its deficiency is 68411025337962

Bases of 123423016913781

• Binary: 11100000100000010101001000101001000101101110101₂
• Hexadecimal: 0x7040A9148B75
• Base-36: 17QZR1KZ1X

Squares and roots of 123423016913781

• 123423016913781 squared (123423016913781²) is 15233241104099470801987715961
• 123423016913781 cubed (123423016913781³) is 1880132574442972939730381227769095454558541
• The square root of 123423016913781 is 11109591.2127216005
• The cube root of 123423016913781 is 49788.8451160885

Scales and comparisons

• 123,423,016,913,781 seconds is equal to 3,924,470 years, 8 weeks, 4 days, 4 hours, 56 minutes, 21 seconds.
• To count from 1 to 123,423,016,913,781 would take you about nine million, eight hundred eleven thousand, one hundred seventy-five 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 123423016913781 cubic inches would be around 4149.1 feet tall.

Recreational maths with 123423016913781

• 123423016913781 backwards is 187319610324321
• The number of decimal digits it has is: 15
• The sum of 123423016913781's digits is 51
• More coming soon!