20521477000

Names of 20521477000

• Cardinal: 20521477000 can be written as Twenty billion, five hundred twenty-one million, four hundred seventy-seven thousand.

Scientific notation

• Scientific notation: 2.0521477 × 10¹⁰

Factors of 20521477000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 103329

Divisors of 20521477000

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 25 40 50 100 125 199 200 250 398 500 796 995 1000 1592 1990 3980 4975 7960 9950 19900 24875 39800 49750 99500 103123 199000 206246 412492 515615 824984 1031230 2062460 2578075 4124920 5156150 10312300 12890375 20521477 20624600 25780750 41042954 51561500 82085908 102607385 103123000 164171816 205214770 410429540 513036925 820859080 1026073850 2052147700 2565184625 4104295400 5130369250 10260738500 20521477000
• Sum of all divisors σ(n): 48262032000
• Sum of proper divisors (its aliquot sum) s(n): 27740555000
• 20521477000 is an abundant number, because the sum of its proper divisors (27740555000) is greater than itself. Its abundance is 7219078000

Bases of 20521477000

• Binary: 10011000111001011001110001110001000₂
• Hexadecimal: 0x4C72CE388
• Base-36: 9FDYGZS

Squares and roots of 20521477000

• 20521477000 squared (20521477000²) is 421131018261529000000
• 20521477000 cubed (20521477000³) is 8642230505240547358333000000000
• The square root of 20521477000 is 143253.1919365149
• The cube root of 20521477000 is 2737.8072658861

Scales and comparisons

• 20,521,477,000 seconds is equal to 652 years, 27 weeks, 2 hours, 16 minutes, 40 seconds.
• To count from 1 to 20,521,477,000 would take you about one thousand, three hundred five 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 20521477000 cubic inches would be around 228.2 feet tall.

Recreational maths with 20521477000

• 20521477000 backwards is 00077412502
• The number of decimal digits it has is: 11
• The sum of 20521477000's digits is 28
• More coming soon!