21255659209320

Names of 21255659209320

• Cardinal: 21255659209320 can be written as Twenty-one trillion, two hundred fifty-five billion, six hundred fifty-nine million, two hundred nine thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.125565920932 × 10¹³

Factors of 21255659209320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5619598

Divisors of 21255659209320

• 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 31699 63398 95097 126796 158495 190194 253592 316990 380388 475485 633980 760776 950970 1267960 1901940 3803880 5587889 11175778 16763667 22351556 27939445 33527334 44703112 55878890 67054668 83818335 111757780 134109336 167636670 223515560 335273340 670546680 177130493411 354260986822 531391480233 708521973644 885652467055 1062782960466 1417043947288 1771304934110 2125565920932 2656957401165 3542609868220 4251131841864 5313914802330 7085219736440 10627829604660 21255659209320
• Sum of all divisors σ(n): 63769000680000
• Sum of proper divisors (its aliquot sum) s(n): 42513341470680
• 21255659209320 is an abundant number, because the sum of its proper divisors (42513341470680) is greater than itself. Its abundance is 21257682261360

Bases of 21255659209320

• Binary: 100110101010011111000000001000100001001101000₂
• Hexadecimal: 0x1354F8044268
• Base-36: 7J8PQOS4O

Squares and roots of 21255659209320

• 21255659209320 squared (21255659209320²) is 451803048422750127574862400
• 21255659209320 cubed (21255659209320³) is 9603371627005878649787828850291797568000
• The square root of 21255659209320 is 4610386.0152182487
• The cube root of 21255659209320 is 27700.7498957755

Scales and comparisons

• 21,255,659,209,320 seconds is equal to 675,864 years, 11 weeks, 1 day, 4 hours, 22 minutes.
• To count from 1 to 21,255,659,209,320 would take you about one million, six hundred eighty-nine thousand, six hundred sixty 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 21255659209320 cubic inches would be around 2308.4 feet tall.

Recreational maths with 21255659209320

• 21255659209320 backwards is 02390295655212
• The number of decimal digits it has is: 14
• The sum of 21255659209320's digits is 51
• More coming soon!