21000867732
21,000,867,732 is an even composite number composed of five prime numbers multiplied together.
21000867732 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21000867732:
22 × 35 × 13 × 19 × 87473
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 13 × 19 × 87473)See below for interesting mathematical facts about the number 21000867732 from the Numbermatics database.
Names of 21000867732
- Cardinal: 21000867732 can be written as Twenty-one billion, eight hundred sixty-seven thousand, seven hundred thirty-two.
Scientific notation
- Scientific notation: 2.1000867732 × 1010
Factors of 21000867732
Divisors of 21000867732
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 9 12 13 18 19 26 27 36 38 39 52 54 57 76 78 81 108 114 117 156 162 171 228 234 243 247 324 342 351 468 486 494 513 684 702 741 972 988 1026 1053 1404 1482 1539 2052 2106 2223 2964 3078 3159 4212 4446 4617 6156 6318 6669 8892 9234 12636 13338 18468 20007 26676 40014 60021 80028 87473 120042 174946 240084 262419 349892 524838 787257 1049676 1137149 1574514 1661987 2274298 2361771 3149028 3323974 3411447 4548596 4723542 4985961 6647948 6822894 7085313 9447084 9971922 10234341 13645788 14170626 14957883 19943844 20468682 21255939 21605831 28341252 29915766 30703023 40937364 42511878 43211662 44873649 59831532 61406046 64817493 85023756 86423324 89747298 92109069 122812092 129634986 134620947 179494596 184218138 194452479 259269972 269241894 276327207 368436276 388904958 403862841 538483788 552654414 583357437 777809916 807725682 1105308828 1166714874 1615451364 1750072311 2333429748 3500144622 5250216933 7000289244 10500433866 21000867732
- Sum of all divisors σ(n): 62407450560
- Sum of proper divisors (its aliquot sum) s(n): 41406582828
- 21000867732 is an abundant number, because the sum of its proper divisors (41406582828) is greater than itself. Its abundance is 20405715096
Bases of 21000867732
- Binary: 100111000111011111111001111100101002
- Hexadecimal: 0x4E3BFCF94
- Base-36: 9NBDH90
Squares and roots of 21000867732
- 21000867732 squared (210008677322) is 441036445496958823824
- 21000867732 cubed (210008677323) is 9262148056873059267378114447168
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The
square root of 21000867732 is 144916.7613908067 -
The
cube root of 21000867732 is 2758.9621759659
Scales and comparisons
How big is 21000867732?- 21,000,867,732 seconds is equal to 667 years, 39 weeks, 4 days, 14 hours, 22 minutes, 12 seconds.
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To count from 1 to 21,000,867,732 would take you about one thousand, three hundred thirty-five 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 21000867732 cubic inches would be around 229.9 feet tall.
Recreational maths with 21000867732
- 21000867732 backwards is 23776800012
- 21000867732 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21000867732's digits is 36
- More coming soon!
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The information we have on file for 21000867732 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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