21027012643
21,027,012,643 is an odd composite number composed of six prime numbers multiplied together.
21027012643 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21027012643:
72 × 13 × 23 × 37 × 79 × 491
(7 × 7 × 13 × 23 × 37 × 79 × 491)See below for interesting mathematical facts about the number 21027012643 from the Numbermatics database.
Names of 21027012643
- Cardinal: 21027012643 can be written as Twenty-one billion, twenty-seven million, twelve thousand, six hundred forty-three.
Scientific notation
- Scientific notation: 2.1027012643 × 1010
Factors of 21027012643
Divisors of 21027012643
- Number of divisors d(n): 96
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Complete list of divisors:
1 7 13 23 37 49 79 91 161 259 299 481 491 553 637 851 1027 1127 1813 1817 2093 2923 3367 3437 3871 5957 6383 7189 11063 11293 12719 14651 18167 20461 23569 23621 24059 37999 38789 41699 44681 50323 67229 77441 79051 89033 127169 143227 146809 165347 236171 265993 271523 312767 417841 470603 504257 542087 553357 873977 890183 892147 1027663 1157429 1435193 1653197 1861951 1900661 2924887 3294221 3529799 5431933 6117839 6245029 7193641 10046351 11572379 11597911 18657509 20474209 24708593 33009439 38023531 42824873 43715203 70324457 81185377 130602563 231066073 266164717 429122707 568297639 914217941 1617462511 3003858949 21027012643
- Sum of all divisors σ(n): 28645263360
- Sum of proper divisors (its aliquot sum) s(n): 7618250717
- 21027012643 is a deficient number, because the sum of its proper divisors (7618250717) is less than itself. Its deficiency is 13408761926
Bases of 21027012643
- Binary: 100111001010100111011000000001000112
- Hexadecimal: 0x4E54EC023
- Base-36: 9NQXUSJ
Squares and roots of 21027012643
- 21027012643 squared (210270126432) is 442135260688881845449
- 21027012643 cubed (210270126433) is 9296783716421219453789295011707
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The
square root of 21027012643 is 145006.9399821953 -
The
cube root of 21027012643 is 2760.1066192709
Scales and comparisons
How big is 21027012643?- 21,027,012,643 seconds is equal to 668 years, 30 weeks, 6 days, 4 hours, 50 minutes, 43 seconds.
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To count from 1 to 21,027,012,643 would take you about one thousand, three hundred thirty-seven 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 21027012643 cubic inches would be around 230 feet tall.
Recreational maths with 21027012643
- 21027012643 backwards is 34621072012
- The number of decimal digits it has is: 11
- The sum of 21027012643's digits is 28
- More coming soon!
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The information we have on file for 21027012643 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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