21422478224

Names of 21422478224

• Cardinal: 21422478224 can be written as Twenty-one billion, four hundred twenty-two million, four hundred seventy-eight thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 2.1422478224 × 10¹⁰

Factors of 21422478224

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10162

Divisors of 21422478224

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 43 56 86 112 172 301 344 461 602 688 922 1204 1844 2408 3227 3688 4816 6454 7376 9649 12908 19298 19823 25816 38596 39646 51632 67543 77192 79292 135086 138761 154384 158584 270172 277522 317168 414907 540344 555044 829814 1080688 1110088 1659628 2220176 2904349 3319256 4448189 5808698 6638512 8896378 11617396 17792756 23234792 31137323 35585512 46469584 62274646 71171024 124549292 191272127 249098584 382544254 498197168 765088508 1338904889 1530177016 2677809778 3060354032 5355619556 10711239112 21422478224
• Sum of all divisors σ(n): 48648969600
• Sum of proper divisors (its aliquot sum) s(n): 27226491376
• 21422478224 is an abundant number, because the sum of its proper divisors (27226491376) is greater than itself. Its abundance is 5804013152

Bases of 21422478224

• Binary: 10011111100111000010001001110010000₂
• Hexadecimal: 0x4FCE11390
• Base-36: 9UAE1ZK

Squares and roots of 21422478224

• 21422478224 squared (21422478224²) is 458922573257754194176
• 21422478224 cubed (21422478224³) is 9831258832116283963880027623424
• The square root of 21422478224 is 146364.1972068305
• The cube root of 21422478224 is 2777.3028299261

Scales and comparisons

• 21,422,478,224 seconds is equal to 681 years, 8 weeks, 5 days, 8 hours, 23 minutes, 44 seconds.
• To count from 1 to 21,422,478,224 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 21422478224 cubic inches would be around 231.4 feet tall.

Recreational maths with 21422478224

• 21422478224 backwards is 42287422412
• The number of decimal digits it has is: 11
• The sum of 21422478224's digits is 38
• More coming soon!