21382838344
21,382,838,344 is an even composite number composed of four prime numbers multiplied together.
21382838344 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21382838344:
23 × 72 × 137 × 6312
(2 × 2 × 2 × 7 × 7 × 137 × 631 × 631)See below for interesting mathematical facts about the number 21382838344 from the Numbermatics database.
Names of 21382838344
- Cardinal: 21382838344 can be written as Twenty-one billion, three hundred eighty-two million, eight hundred thirty-eight thousand, three hundred forty-four.
Scientific notation
- Scientific notation: 2.1382838344 × 1010
Factors of 21382838344
Divisors of 21382838344
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 7 8 14 28 49 56 98 137 196 274 392 548 631 959 1096 1262 1918 2524 3836 4417 5048 6713 7672 8834 13426 17668 26852 30919 35336 53704 61838 86447 123676 172894 247352 345788 398161 605129 691576 796322 1210258 1592644 2420516 2787127 3185288 4235903 4841032 5574254 8471806 11148508 16943612 19509889 22297016 33887224 39019778 54548057 78039556 109096114 156079112 218192228 381836399 436384456 763672798 1527345596 2672854793 3054691192 5345709586 10691419172 21382838344
- Sum of all divisors σ(n): 47053586070
- Sum of proper divisors (its aliquot sum) s(n): 25670747726
- 21382838344 is an abundant number, because the sum of its proper divisors (25670747726) is greater than itself. Its abundance is 4287909382
Bases of 21382838344
- Binary: 100111110101000010000111000010010002
- Hexadecimal: 0x4FA843848
- Base-36: 9TMSFNS
Squares and roots of 21382838344
- 21382838344 squared (213828383442) is 457225775645636662336
- 21382838344 cubed (213828383443) is 9776784847340660979690401411584
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The
square root of 21382838344 is 146228.7192859187 -
The
cube root of 21382838344 is 2775.5887436925
Scales and comparisons
How big is 21382838344?- 21,382,838,344 seconds is equal to 679 years, 47 weeks, 1 day, 13 hours, 19 minutes, 4 seconds.
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To count from 1 to 21,382,838,344 would take you about one thousand, three hundred fifty-nine 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 21382838344 cubic inches would be around 231.3 feet tall.
Recreational maths with 21382838344
- 21382838344 backwards is 44383828312
- The number of decimal digits it has is: 11
- The sum of 21382838344's digits is 46
- More coming soon!
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