21423642072
21,423,642,072 is an even composite number composed of five prime numbers multiplied together.
21423642072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21423642072:
23 × 3 × 7 × 1129 × 112951
(2 × 2 × 2 × 3 × 7 × 1129 × 112951)See below for interesting mathematical facts about the number 21423642072 from the Numbermatics database.
Names of 21423642072
- Cardinal: 21423642072 can be written as Twenty-one billion, four hundred twenty-three million, six hundred forty-two thousand and seventy-two.
Scientific notation
- Scientific notation: 2.1423642072 × 1010
Factors of 21423642072
Divisors of 21423642072
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1129 2258 3387 4516 6774 7903 9032 13548 15806 23709 27096 31612 47418 63224 94836 112951 189672 225902 338853 451804 677706 790657 903608 1355412 1581314 2371971 2710824 3162628 4743942 6325256 9487884 18975768 127521679 255043358 382565037 510086716 765130074 892651753 1020173432 1530260148 1785303506 2677955259 3060520296 3570607012 5355910518 7141214024 10711821036 21423642072
- Sum of all divisors σ(n): 61265164800
- Sum of proper divisors (its aliquot sum) s(n): 39841522728
- 21423642072 is an abundant number, because the sum of its proper divisors (39841522728) is greater than itself. Its abundance is 18417880656
Bases of 21423642072
- Binary: 100111111001111001011010101110110002
- Hexadecimal: 0x4FCF2D5D8
- Base-36: 9UB300O
Squares and roots of 21423642072
- 21423642072 squared (214236420722) is 458972439629168453184
- 21423642072 cubed (214236420723) is 9832861267527933352007904757248
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The
square root of 21423642072 is 146368.1730158575 -
The
cube root of 21423642072 is 2777.3531244465
Scales and comparisons
How big is 21423642072?- 21,423,642,072 seconds is equal to 681 years, 10 weeks, 4 days, 19 hours, 41 minutes, 12 seconds.
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To count from 1 to 21,423,642,072 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 21423642072 cubic inches would be around 231.4 feet tall.
Recreational maths with 21423642072
- 21423642072 backwards is 27024632412
- The number of decimal digits it has is: 11
- The sum of 21423642072's digits is 33
- More coming soon!
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