21026726721
21,026,726,721 is an odd composite number composed of five prime numbers multiplied together.
21026726721 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21026726721:
32 × 7 × 113 × 13 × 19289
(3 × 3 × 7 × 11 × 11 × 11 × 13 × 19289)See below for interesting mathematical facts about the number 21026726721 from the Numbermatics database.
Names of 21026726721
- Cardinal: 21026726721 can be written as Twenty-one billion, twenty-six million, seven hundred twenty-six thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 2.1026726721 × 1010
Factors of 21026726721
Divisors of 21026726721
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 7 9 11 13 21 33 39 63 77 91 99 117 121 143 231 273 363 429 693 819 847 1001 1089 1287 1331 1573 2541 3003 3993 4719 7623 9009 9317 11011 11979 14157 17303 19289 27951 33033 51909 57867 83853 99099 121121 135023 155727 173601 212179 250757 363363 405069 636537 752271 1090089 1215207 1485253 1755299 1909611 2256813 2333969 2758327 4455759 5265897 7001907 8274981 13367277 15797691 16337783 19308289 21005721 24824943 25673659 30341597 49013349 57924867 77020977 91024791 147040047 173774601 179715613 212391179 231062931 273074373 333757567 539146839 637173537 1001272701 1617440517 1911520611 2336302969 3003818103 7008908907 21026726721
- Sum of all divisors σ(n): 41118255360
- Sum of proper divisors (its aliquot sum) s(n): 20091528639
- 21026726721 is a deficient number, because the sum of its proper divisors (20091528639) is less than itself. Its deficiency is 935198082
Bases of 21026726721
- Binary: 100111001010100101001100011010000012
- Hexadecimal: 0x4E54A6341
- Base-36: 9NQRQ69
Squares and roots of 21026726721
- 21026726721 squared (210267267212) is 442123236599615411841
- 21026726721 cubed (210267267213) is 9296404472984138558480574503361
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The
square root of 21026726721 is 145005.9540880995 -
The
cube root of 21026726721 is 2760.0941087161
Scales and comparisons
How big is 21026726721?- 21,026,726,721 seconds is equal to 668 years, 30 weeks, 2 days, 21 hours, 25 minutes, 21 seconds.
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To count from 1 to 21,026,726,721 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 21026726721 cubic inches would be around 230 feet tall.
Recreational maths with 21026726721
- 21026726721 backwards is 12762762012
- The number of decimal digits it has is: 11
- The sum of 21026726721's digits is 36
- More coming soon!
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The information we have on file for 21026726721 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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