21420522312

Names of 21420522312

• Cardinal: 21420522312 can be written as Twenty-one billion, four hundred twenty million, five hundred twenty-two thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1420522312 × 10¹⁰

Factors of 21420522312

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 80006

Divisors of 21420522312

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1627 3254 4881 6508 9762 11389 13016 19524 22778 34167 39048 45556 68334 78367 91112 136668 156734 235101 273336 313468 470202 548569 626936 940404 1097138 1645707 1880808 2194276 3291414 4388552 6582828 13165656 127503109 255006218 382509327 510012436 765018654 892521763 1020024872 1530037308 1785043526 2677565289 3060074616 3570087052 5355130578 7140174104 10710261156 21420522312
• Sum of all divisors σ(n): 61239889920
• Sum of proper divisors (its aliquot sum) s(n): 39819367608
• 21420522312 is an abundant number, because the sum of its proper divisors (39819367608) is greater than itself. Its abundance is 18398845296

Bases of 21420522312

• Binary: 10011111100110000110011101101001000₂
• Hexadecimal: 0x4FCC33B48
• Base-36: 9U984SO

Squares and roots of 21420522312

• 21420522312 squared (21420522312²) is 458838776118889825344
• 21420522312 cubed (21420522312³) is 9828566241465452268450935075328
• The square root of 21420522312 is 146357.5153929583
• The cube root of 21420522312 is 2777.2183030535

Scales and comparisons

• 21,420,522,312 seconds is equal to 681 years, 5 weeks, 3 days, 17 hours, 5 minutes, 12 seconds.
• To count from 1 to 21,420,522,312 would take you about one thousand, three hundred sixty-two 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 21420522312 cubic inches would be around 231.4 feet tall.

Recreational maths with 21420522312

• 21420522312 backwards is 21322502412
• 21420522312 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21420522312's digits is 24
• More coming soon!