123947723940

Names of 123947723940

• Cardinal: 123947723940 can be written as One hundred twenty-three billion, nine hundred forty-seven million, seven hundred twenty-three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.2394772394 × 10¹¹

Factors of 123947723940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 91290

Divisors of 123947723940

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 41491 49789 82982 99578 124473 149367 165964 199156 207455 248945 248946 298734 414910 497890 497892 597468 622365 746835 829820 995780 1244730 1493670 2489460 2987340 2065795399 4131590798 6197386197 8263181596 10328976995 12394772394 20657953990 24789544788 30986930985 41315907980 61973861970 123947723940
• Sum of all divisors σ(n): 347068962240
• Sum of proper divisors (its aliquot sum) s(n): 223121238300
• 123947723940 is an abundant number, because the sum of its proper divisors (223121238300) is greater than itself. Its abundance is 99173514360

Bases of 123947723940

• Binary: 1110011011011110111000010110010100100₂
• Hexadecimal: 0x1CDBDC2CA4
• Base-36: 1KXV9VVO

Squares and roots of 123947723940

• 123947723940 squared (123947723940²) is 15363038269906449123600
• 123947723940 cubed (123947723940³) is 1904213626358019765597627738984000
• The square root of 123947723940 is 352062.1023910413
• The cube root of 123947723940 is 4985.9300972381

Scales and comparisons

• 123,947,723,940 seconds is equal to 3,941 years, 8 weeks, 3 hours, 19 minutes.
• To count from 1 to 123,947,723,940 would take you about seven thousand, eight hundred eighty-two 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 123947723940 cubic inches would be around 415.5 feet tall.

Recreational maths with 123947723940

• 123947723940 backwards is 049327749321
• The number of decimal digits it has is: 12
• The sum of 123947723940's digits is 51
• More coming soon!