21990849720
21,990,849,720 is an even composite number composed of six prime numbers multiplied together.
21990849720 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 21990849720:
23 × 3 × 5 × 7 × 107 × 244669
(2 × 2 × 2 × 3 × 5 × 7 × 107 × 244669)See below for interesting mathematical facts about the number 21990849720 from the Numbermatics database.
Names of 21990849720
- Cardinal: 21990849720 can be written as Twenty-one billion, nine hundred ninety million, eight hundred forty-nine thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.199084972 × 1010
Factors of 21990849720
Divisors of 21990849720
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 107 120 140 168 210 214 280 321 420 428 535 642 749 840 856 1070 1284 1498 1605 2140 2247 2568 2996 3210 3745 4280 4494 5992 6420 7490 8988 11235 12840 14980 17976 22470 29960 44940 89880 244669 489338 734007 978676 1223345 1468014 1712683 1957352 2446690 2936028 3425366 3670035 4893380 5138049 5872056 6850732 7340070 8563415 9786760 10276098 13701464 14680140 17126830 20552196 25690245 26179583 29360280 34253660 41104392 51380490 52359166 68507320 78538749 102760980 104718332 130897915 157077498 183257081 205521960 209436664 261795830 314154996 366514162 392693745 523591660 549771243 628309992 733028324 785387490 916285405 1047183320 1099542486 1466056648 1570774980 1832570810 2199084972 2748856215 3141549960 3665141620 4398169944 5497712430 7330283240 10995424860 21990849720
- Sum of all divisors σ(n): 76102156800
- Sum of proper divisors (its aliquot sum) s(n): 54111307080
- 21990849720 is an abundant number, because the sum of its proper divisors (54111307080) is greater than itself. Its abundance is 32120457360
Bases of 21990849720
- Binary: 101000111101100000110111100101110002
- Hexadecimal: 0x51EC1BCB8
- Base-36: A3OS88O
Squares and roots of 21990849720
- 21990849720 squared (219908497202) is 483597471407624078400
- 21990849720 cubed (219908497203) is 10634719318697057970347898048000
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The
square root of 21990849720 is 148293.1209463203 -
The
cube root of 21990849720 is 2801.6508003533
Scales and comparisons
How big is 21990849720?- 21,990,849,720 seconds is equal to 699 years, 12 weeks, 3 days, 17 hours, 22 minutes.
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To count from 1 to 21,990,849,720 would take you about one thousand, three hundred ninety-eight 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 21990849720 cubic inches would be around 233.5 feet tall.
Recreational maths with 21990849720
- 21990849720 backwards is 02794809912
- The number of decimal digits it has is: 11
- The sum of 21990849720's digits is 51
- More coming soon!
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The information we have on file for 21990849720 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 21990849720, math, Factors of 21990849720, curriculum, school, college, exams, university, Prime factorization of 21990849720, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, nine hundred ninety million, eight hundred forty-nine thousand, seven hundred twenty.