12180100000

Names of 12180100000

• Cardinal: 12180100000 can be written as Twelve billion, one hundred eighty million, one hundred thousand.

Scientific notation

• Scientific notation: 1.21801 × 10¹⁰

Factors of 12180100000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 356

Divisors of 12180100000

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 349 400 500 625 698 800 1000 1250 1396 1745 2000 2500 2792 3125 3490 4000 5000 5584 6250 6980 8725 10000 11168 12500 13960 17450 20000 25000 27920 34900 43625 50000 55840 69800 87250 100000 121801 139600 174500 218125 243602 279200 349000 436250 487204 609005 698000 872500 974408 1090625 1218010 1396000 1745000 1948816 2181250 2436020 3045025 3490000 3897632 4362500 4872040 6090050 6980000 8725000 9744080 12180100 15225125 17450000 19488160 24360200 30450250 34900000 48720400 60900500 76125625 97440800 121801000 152251250 243602000 304502500 380628125 487204000 609005000 761256250 1218010000 1522512500 2436020000 3045025000 6090050000 12180100000
• Sum of all divisors σ(n): 30058673778
• Sum of proper divisors (its aliquot sum) s(n): 17878573778
• 12180100000 is an abundant number, because the sum of its proper divisors (17878573778) is greater than itself. Its abundance is 5698473778

Bases of 12180100000

• Binary: 1011010101111111011001001110100000₂
• Hexadecimal: 0x2D5FD93A0
• Base-36: 5LFPTB4

Squares and roots of 12180100000

• 12180100000 squared (12180100000²) is 148354836010000000000
• 12180100000 cubed (12180100000³) is 1806976738085401000000000000000
• The square root of 12180100000 is 110363.4903398765
• The cube root of 12180100000 is 2300.8251607621

Scales and comparisons

• 12,180,100,000 seconds is equal to 387 years, 15 weeks, 9 hours, 6 minutes, 40 seconds.
• To count from 1 to 12,180,100,000 would take you about seven hundred seventy-four 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 12180100000 cubic inches would be around 191.7 feet tall.

Recreational maths with 12180100000

• 12180100000 backwards is 00000108121
• The number of decimal digits it has is: 11
• The sum of 12180100000's digits is 13
• More coming soon!