21712137720
21,712,137,720 is an even composite number composed of six prime numbers multiplied together.
21712137720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21712137720:
23 × 3 × 5 × 7 × 13 × 1988291
(2 × 2 × 2 × 3 × 5 × 7 × 13 × 1988291)See below for interesting mathematical facts about the number 21712137720 from the Numbermatics database.
Names of 21712137720
- Cardinal: 21712137720 can be written as Twenty-one billion, seven hundred twelve million, one hundred thirty-seven thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.171213772 × 1010
Factors of 21712137720
Divisors of 21712137720
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 130 140 156 168 182 195 210 260 273 280 312 364 390 420 455 520 546 728 780 840 910 1092 1365 1560 1820 2184 2730 3640 5460 10920 1988291 3976582 5964873 7953164 9941455 11929746 13918037 15906328 19882910 23859492 25847783 27836074 29824365 39765820 41754111 47718984 51695566 55672148 59648730 69590185 77543349 79531640 83508222 103391132 111344296 119297460 129238915 139180370 155086698 167016444 180934481 206782264 208770555 238594920 258477830 278360740 310173396 334032888 361868962 387716745 417541110 516955660 542803443 556721480 620346792 723737924 775433490 835082220 904672405 1033911320 1085606886 1447475848 1550866980 1670164440 1809344810 2171213772 2714017215 3101733960 3618689620 4342427544 5428034430 7237379240 10856068860 21712137720
- Sum of all divisors σ(n): 80167933440
- Sum of proper divisors (its aliquot sum) s(n): 58455795720
- 21712137720 is an abundant number, because the sum of its proper divisors (58455795720) is greater than itself. Its abundance is 36743658000
Bases of 21712137720
- Binary: 101000011100010010011101101111110002
- Hexadecimal: 0x50E24EDF8
- Base-36: 9Z2UGOO
Squares and roots of 21712137720
- 21712137720 squared (217121377202) is 471416924372246798400
- 21712137720 cubed (217121377203) is 10235469185509047032689875648000
-
The
square root of 21712137720 is 147350.3909733531 -
The
cube root of 21712137720 is 2789.7644024539
Scales and comparisons
How big is 21712137720?- 21,712,137,720 seconds is equal to 690 years, 19 weeks, 4 days, 21 hours, 22 minutes.
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To count from 1 to 21,712,137,720 would take you about one thousand, three hundred eighty 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 21712137720 cubic inches would be around 232.5 feet tall.
Recreational maths with 21712137720
- 21712137720 backwards is 02773121712
- The number of decimal digits it has is: 11
- The sum of 21712137720's digits is 33
- More coming soon!
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The information we have on file for 21712137720 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!
Keywords: Divisors of 21712137720, math, Factors of 21712137720, curriculum, school, college, exams, university, Prime factorization of 21712137720, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, seven hundred twelve million, one hundred thirty-seven thousand, seven hundred twenty.