21215321064
21,215,321,064 is an even composite number composed of four prime numbers multiplied together.
21215321064 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21215321064:
23 × 35 × 73 × 31817
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 7 × 31817)See below for interesting mathematical facts about the number 21215321064 from the Numbermatics database.
Names of 21215321064
- Cardinal: 21215321064 can be written as Twenty-one billion, two hundred fifteen million, three hundred twenty-one thousand and sixty-four.
Scientific notation
- Scientific notation: 2.1215321064 × 1010
Factors of 21215321064
Divisors of 21215321064
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 81 84 98 108 126 147 162 168 189 196 216 243 252 294 324 343 378 392 441 486 504 567 588 648 686 756 882 972 1029 1134 1176 1323 1372 1512 1701 1764 1944 2058 2268 2646 2744 3087 3402 3528 3969 4116 4536 5292 6174 6804 7938 8232 9261 10584 11907 12348 13608 15876 18522 23814 24696 27783 31752 31817 37044 47628 55566 63634 74088 83349 95256 95451 111132 127268 166698 190902 222264 222719 254536 286353 333396 381804 445438 572706 666792 668157 763608 859059 890876 1145412 1336314 1559033 1718118 1781752 2004471 2290824 2577177 2672628 3118066 3436236 4008942 4677099 5154354 5345256 6013413 6236132 6872472 7731531 8017884 9354198 10308708 10913231 12026826 12472264 14031297 15463062 16035768 18040239 18708396 20617416 21826462 24053652 28062594 30926124 32739693 36080478 37416792 42093891 43652924 48107304 54120717 56125188 61852248 65479386 72160956 84187782 87305848 98219079 108241434 112250376 126281673 130958772 144321912 168375564 196438158 216482868 252563346 261917544 294657237 336751128 378845019 392876316 432965736 505126692 589314474 757690038 785752632 883971711 1010253384 1178628948 1515380076 1767943422 2357257896 2651915133 3030760152 3535886844 5303830266 7071773688 10607660532 21215321064
- Sum of all divisors σ(n): 69490512000
- Sum of proper divisors (its aliquot sum) s(n): 48275190936
- 21215321064 is an abundant number, because the sum of its proper divisors (48275190936) is greater than itself. Its abundance is 27059869872
Bases of 21215321064
- Binary: 100111100001000100000011011111010002
- Hexadecimal: 0x4F0881BE8
- Base-36: 9QV1YI0
Squares and roots of 21215321064
- 21215321064 squared (212153210642) is 450089847848602092096
- 21215321064 cubed (212153210643) is 9548800629755003047398736710144
-
The
square root of 21215321064 is 145654.8010331277 -
The
cube root of 21215321064 is 2768.3215671747
Scales and comparisons
How big is 21215321064?- 21,215,321,064 seconds is equal to 674 years, 30 weeks, 1 day, 16 hours, 44 minutes, 24 seconds.
-
To count from 1 to 21,215,321,064 would take you about one thousand, three hundred forty-nine 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 21215321064 cubic inches would be around 230.7 feet tall.
Recreational maths with 21215321064
- 21215321064 backwards is 46012351212
- 21215321064 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21215321064's digits is 27
- More coming soon!
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The information we have on file for 21215321064 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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