123420256811888

Names of 123420256811888

• Cardinal: 123420256811888 can be written as One hundred twenty-three trillion, four hundred twenty billion, two hundred fifty-six million, eight hundred eleven thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.23420256811888 × 10¹⁴

Factors of 123420256811888

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 786

Divisors of 123420256811888

• Number of divisors d(n): 50
• Complete list of divisors:
  1 2 4 8 16 23 46 92 184 368 761 1522 3044 6088 12176 17503 35006 70012 140024 280048 579121 1158242 2316484 4632968 9265936 13319783 26639566 53279132 106558264 213116528 440711081 881422162 1762844324 3525688648 7051377296 10136354863 20272709726 40545419452 81090838904 162181677808 335381132641 670762265282 1341524530564 2683049061128 5366098122256 7713766050743 15427532101486 30855064202972 61710128405944 123420256811888
• Sum of all divisors σ(n): 249851883162120
• Sum of proper divisors (its aliquot sum) s(n): 126431626350232
• 123420256811888 is an abundant number, because the sum of its proper divisors (126431626350232) is greater than itself. Its abundance is 3011369538344

Bases of 123420256811888

• Binary: 11100000100000000000100100100001011101101110000₂
• Hexadecimal: 0x70400490BB70
• Base-36: 17QYHEAESW

Squares and roots of 123420256811888

• 123420256811888 squared (123420256811888²) is 15232559791512386265818124544
• 123420256811888 cubed (123420256811888³) is 1880006441370897844109565241242908763779072
• The square root of 123420256811888 is 11109466.9904495419
• The cube root of 123420256811888 is 49788.4739716199

Scales and comparisons

• 123,420,256,811,888 seconds is equal to 3,924,382 years, 20 weeks, 6 days, 13 hours, 58 minutes, 8 seconds.
• To count from 1 to 123,420,256,811,888 would take you about nine million, eight hundred ten thousand, nine hundred fifty-six 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 123420256811888 cubic inches would be around 4149 feet tall.

Recreational maths with 123420256811888

• 123420256811888 backwards is 888118652024321
• The number of decimal digits it has is: 15
• The sum of 123420256811888's digits is 59
• More coming soon!