21267642872
21,267,642,872 is an even composite number composed of four prime numbers multiplied together.
21267642872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 21267642872:
23 × 72 × 17 × 3191423
(2 × 2 × 2 × 7 × 7 × 17 × 3191423)See below for interesting mathematical facts about the number 21267642872 from the Numbermatics database.
Names of 21267642872
- Cardinal: 21267642872 can be written as Twenty-one billion, two hundred sixty-seven million, six hundred forty-two thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1267642872 × 1010
Factors of 21267642872
Divisors of 21267642872
- Number of divisors d(n): 48
-
Complete list of divisors:
1 2 4 7 8 14 17 28 34 49 56 68 98 119 136 196 238 392 476 833 952 1666 3332 6664 3191423 6382846 12765692 22339961 25531384 44679922 54254191 89359844 108508382 156379727 178719688 217016764 312759454 379779337 434033528 625518908 759558674 1251037816 1519117348 2658455359 3038234696 5316910718 10633821436 21267642872
- Sum of all divisors σ(n): 49116015360
- Sum of proper divisors (its aliquot sum) s(n): 27848372488
- 21267642872 is an abundant number, because the sum of its proper divisors (27848372488) is greater than itself. Its abundance is 6580729616
Bases of 21267642872
- Binary: 100111100111010011001111001111110002
- Hexadecimal: 0x4F3A679F8
- Base-36: 9RQ7E9K
Squares and roots of 21267642872
- 21267642872 squared (212676428722) is 452312633330932408384
- 21267642872 cubed (212676428723) is 9619623552176154252281770638848
-
The
square root of 21267642872 is 145834.2993674669 -
The
cube root of 21267642872 is 2770.5954691273
Scales and comparisons
How big is 21267642872?- 21,267,642,872 seconds is equal to 676 years, 12 weeks, 5 days, 6 hours, 34 minutes, 32 seconds.
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To count from 1 to 21,267,642,872 would take you about one thousand, three hundred fifty-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 21267642872 cubic inches would be around 230.9 feet tall.
Recreational maths with 21267642872
- 21267642872 backwards is 27824676212
- The number of decimal digits it has is: 11
- The sum of 21267642872's digits is 47
- More coming soon!
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The information we have on file for 21267642872 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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