21129696
21,129,696 is an even composite number composed of five prime numbers multiplied together.
21129696 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21129696:
25 × 32 × 7 × 47 × 223
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 47 × 223)See below for interesting mathematical facts about the number 21129696 from the Numbermatics database.
Names of 21129696
- Cardinal: 21129696 can be written as Twenty-one million, one hundred twenty-nine thousand, six hundred ninety-six.
Scientific notation
- Scientific notation: 2.1129696 × 107
Factors of 21129696
Divisors of 21129696
- Number of divisors d(n): 144
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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 47 48 56 63 72 84 94 96 112 126 141 144 168 188 223 224 252 282 288 329 336 376 423 446 504 564 658 669 672 752 846 892 987 1008 1128 1316 1338 1504 1561 1692 1784 1974 2007 2016 2256 2632 2676 2961 3122 3384 3568 3948 4014 4512 4683 5264 5352 5922 6244 6768 7136 7896 8028 9366 10481 10528 10704 11844 12488 13536 14049 15792 16056 18732 20962 21408 23688 24976 28098 31443 31584 32112 37464 41924 47376 49952 56196 62886 64224 73367 74928 83848 94329 94752 112392 125772 146734 149856 167696 188658 220101 224784 251544 293468 335392 377316 440202 449568 503088 586936 660303 754632 880404 1006176 1173872 1320606 1509264 1760808 2347744 2641212 3018528 3521616 5282424 7043232 10564848 21129696
- Sum of all divisors σ(n): 70447104
- Sum of proper divisors (its aliquot sum) s(n): 49317408
- 21129696 is an abundant number, because the sum of its proper divisors (49317408) is greater than itself. Its abundance is 28187712
Bases of 21129696
- Binary: 10100001001101001111000002
- Hexadecimal: 0x14269E0
- Base-36: CKVS0
Squares and roots of 21129696
- 21129696 squared (211296962) is 446464053052416
- 21129696 cubed (211296963) is 9433649715925422145536
-
The
square root of 21129696 is 4596.7049067783 -
The
cube root of 21129696 is 276.4592228953
Scales and comparisons
How big is 21129696?- 21,129,696 seconds is equal to 34 weeks, 6 days, 13 hours, 21 minutes, 36 seconds.
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To count from 1 to 21,129,696 would take you about two days!
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 21129696 cubic inches would be around 23 feet tall.
Recreational maths with 21129696
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The information we have on file for 21129696 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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