12123887640

Names of 12123887640

• Cardinal: 12123887640 can be written as Twelve billion, one hundred twenty-three million, eight hundred eighty-seven thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.212388764 × 10¹⁰

Factors of 12123887640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 136732

Divisors of 12123887640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 743 1486 2229 2972 3715 4458 5944 7430 8916 11145 14860 17832 22290 29720 44580 89160 135979 271958 407937 543916 679895 815874 1087832 1359790 1631748 2039685 2719580 3263496 4079370 5439160 8158740 16317480 101032397 202064794 303097191 404129588 505161985 606194382 808259176 1010323970 1212388764 1515485955 2020647940 2424777528 3030971910 4041295880 6061943820 12123887640
• Sum of all divisors σ(n): 36420883200
• Sum of proper divisors (its aliquot sum) s(n): 24296995560
• 12123887640 is an abundant number, because the sum of its proper divisors (24296995560) is greater than itself. Its abundance is 12173107920

Bases of 12123887640

• Binary: 1011010010101000111101100000011000₂
• Hexadecimal: 0x2D2A3D818
• Base-36: 5KI8ZKO

Squares and roots of 12123887640

• 12123887640 squared (12123887640²) is 146988651507344769600
• 12123887640 cubed (12123887640³) is 1782073895230164621372087744000
• The square root of 12123887640 is 110108.5266453057
• The cube root of 12123887640 is 2297.2801901889

Scales and comparisons

• 12,123,887,640 seconds is equal to 385 years, 26 weeks, 18 hours, 34 minutes.
• To count from 1 to 12,123,887,640 would take you about seven hundred seventy-one 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 12123887640 cubic inches would be around 191.4 feet tall.

Recreational maths with 12123887640

• 12123887640 backwards is 04678832121
• The number of decimal digits it has is: 11
• The sum of 12123887640's digits is 42
• More coming soon!