20521309368168

Names of 20521309368168

• Cardinal: 20521309368168 can be written as Twenty trillion, five hundred twenty-one billion, three hundred nine million, three hundred sixty-eight thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0521309368168 × 10¹³

Factors of 20521309368168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 43829664

Divisors of 20521309368168

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 929 1858 2787 3716 5574 6503 7432 8361 11148 13006 16722 19509 22296 26012 33444 39018 52024 58527 66888 78036 117054 156072 234108 468216 43828723 87657446 131486169 175314892 262972338 306801061 350629784 394458507 525944676 613602122 788917014 920403183 1051889352 1227204244 1577834028 1840806366 2454408488 2761209549 3155668056 3681612732 5522419098 7363225464 11044838196 22089676392 40716883667 81433767334 122150651001 162867534668 244301302002 285018185669 325735069336 366451953003 488602604004 570036371338 732903906006 855054557007 977205208008 1140072742676 1465807812012 1710109114014 2280145485352 2565163671021 2931615624024 3420218228028 5130327342042 6840436456056 10260654684084 20521309368168
• Sum of all divisors σ(n): 63586712779200
• Sum of proper divisors (its aliquot sum) s(n): 43065403411032
• 20521309368168 is an abundant number, because the sum of its proper divisors (43065403411032) is greater than itself. Its abundance is 22544094042864

Bases of 20521309368168

• Binary: 100101010100111111101010110101110111101101000₂
• Hexadecimal: 0x12A9FD5AEF68
• Base-36: 79VCXR4A0

Squares and roots of 20521309368168

• 20521309368168 squared (20521309368168²) is 421124138184059719371676224
• 20521309368168 cubed (20521309368168³) is 8642018722078220082628352402288508037632
• The square root of 20521309368168 is 4530045.1838991629
• The cube root of 20521309368168 is 27377.9981117753

Scales and comparisons

• 20,521,309,368,168 seconds is equal to 652,514 years, 8 weeks, 2 days, 17 hours, 22 minutes, 48 seconds.
• To count from 1 to 20,521,309,368,168 would take you about one million, six hundred thirty-one thousand, two hundred eighty-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 20521309368168 cubic inches would be around 2281.5 feet tall.

Recreational maths with 20521309368168

• 20521309368168 backwards is 86186390312502
• The number of decimal digits it has is: 14
• The sum of 20521309368168's digits is 54
• More coming soon!