20640041200

Names of 20640041200

• Cardinal: 20640041200 can be written as Twenty billion, six hundred forty million, forty-one thousand, two hundred.

Scientific notation

• Scientific notation: 2.06400412 × 10¹⁰

Factors of 20640041200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1509

Divisors of 20640041200

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 199 200 398 400 796 995 1303 1592 1990 2606 3184 3980 4975 5212 6515 7960 9950 10424 13030 15920 19900 20848 26060 32575 39601 39800 52120 65150 79202 79600 104240 130300 158404 198005 259297 260600 316808 396010 518594 521200 633616 792020 990025 1037188 1296485 1584040 1980050 2074376 2592970 3168080 3960100 4148752 5185940 6482425 7920200 10371880 12964850 15840400 20743760 25929700 51600103 51859400 103200206 103718800 206400412 258000515 412800824 516001030 825601648 1032002060 1290002575 2064004120 2580005150 4128008240 5160010300 10320020600 20640041200
• Sum of all divisors σ(n): 49876384344
• Sum of proper divisors (its aliquot sum) s(n): 29236343144
• 20640041200 is an abundant number, because the sum of its proper divisors (29236343144) is greater than itself. Its abundance is 8596301944

Bases of 20640041200

• Binary: 10011001110001111100000100011110000₂
• Hexadecimal: 0x4CE3E08F0
• Base-36: 9HCJPPS

Squares and roots of 20640041200

• 20640041200 squared (20640041200²) is 426011300737697440000
• 20640041200 cubed (20640041200³) is 8792890798891665554734528000000
• The square root of 20640041200 is 143666.4233563291
• The cube root of 20640041200 is 2743.0697653151

Scales and comparisons

• 20,640,041,200 seconds is equal to 656 years, 15 weeks, 8 hours, 46 minutes, 40 seconds.
• To count from 1 to 20,640,041,200 would take you about one thousand, three hundred twelve 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 20640041200 cubic inches would be around 228.6 feet tall.

Recreational maths with 20640041200

• 20640041200 backwards is 00214004602
• The number of decimal digits it has is: 11
• The sum of 20640041200's digits is 19
• More coming soon!