21616745472
21,616,745,472 is an even composite number composed of four prime numbers multiplied together.
21616745472 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred thirty-two divisors.
Prime factorization of 21616745472:
210 × 32 × 7 × 335081
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 335081)See below for interesting mathematical facts about the number 21616745472 from the Numbermatics database.
Names of 21616745472
- Cardinal: 21616745472 can be written as Twenty-one billion, six hundred sixteen million, seven hundred forty-five thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1616745472 × 1010
Factors of 21616745472
Divisors of 21616745472
- Number of divisors d(n): 132
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 672 768 896 1008 1024 1152 1344 1536 1792 2016 2304 2688 3072 3584 4032 4608 5376 7168 8064 9216 10752 16128 21504 32256 64512 335081 670162 1005243 1340324 2010486 2345567 2680648 3015729 4020972 4691134 5361296 6031458 7036701 8041944 9382268 10722592 12062916 14073402 16083888 18764536 21110103 21445184 24125832 28146804 32167776 37529072 42220206 42890368 48251664 56293608 64335552 75058144 84440412 85780736 96503328 112587216 128671104 150116288 168880824 171561472 193006656 225174432 257342208 300232576 337761648 343122944 386013312 450348864 514684416 600465152 675523296 772026624 900697728 1029368832 1200930304 1351046592 1544053248 1801395456 2401860608 2702093184 3088106496 3602790912 5404186368 7205581824 10808372736 21616745472
- Sum of all divisors σ(n): 71334936816
- Sum of proper divisors (its aliquot sum) s(n): 49718191344
- 21616745472 is an abundant number, because the sum of its proper divisors (49718191344) is greater than itself. Its abundance is 28101445872
Bases of 21616745472
- Binary: 101000010000111010101011100000000002
- Hexadecimal: 0x508755C00
- Base-36: 9XI1VK0
Squares and roots of 21616745472
- 21616745472 squared (216167454722) is 467283684801232502784
- 21616745472 cubed (216167454723) is 10101152477566517924575259394048
-
The
square root of 21616745472 is 147026.3427825095 -
The
cube root of 21616745472 is 2785.6727957123
Scales and comparisons
How big is 21616745472?- 21,616,745,472 seconds is equal to 687 years, 17 weeks, 6 days, 19 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,616,745,472 would take you about one thousand, three hundred seventy-four 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 21616745472 cubic inches would be around 232.1 feet tall.
Recreational maths with 21616745472
- 21616745472 backwards is 27454761612
- The number of decimal digits it has is: 11
- The sum of 21616745472's digits is 45
- More coming soon!
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The information we have on file for 21616745472 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 21616745472, math, Factors of 21616745472, curriculum, school, college, exams, university, Prime factorization of 21616745472, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, six hundred sixteen million, seven hundred forty-five thousand, four hundred seventy-two.