21320645472
21,320,645,472 is an even composite number composed of five prime numbers multiplied together.
21320645472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21320645472:
25 × 33 × 7 × 17 × 207367
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 17 × 207367)See below for interesting mathematical facts about the number 21320645472 from the Numbermatics database.
Names of 21320645472
- Cardinal: 21320645472 can be written as Twenty-one billion, three hundred twenty million, six hundred forty-five thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1320645472 × 1010
Factors of 21320645472
Divisors of 21320645472
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 32 34 36 42 48 51 54 56 63 68 72 84 96 102 108 112 119 126 136 144 153 168 189 204 216 224 238 252 272 288 306 336 357 378 408 432 459 476 504 544 612 672 714 756 816 864 918 952 1008 1071 1224 1428 1512 1632 1836 1904 2016 2142 2448 2856 3024 3213 3672 3808 4284 4896 5712 6048 6426 7344 8568 11424 12852 14688 17136 25704 34272 51408 102816 207367 414734 622101 829468 1244202 1451569 1658936 1866303 2488404 2903138 3317872 3525239 3732606 4354707 4976808 5598909 5806276 6635744 7050478 7465212 8709414 9953616 10575717 11197818 11612552 13064121 14100956 14930424 17418828 19907232 21151434 22395636 23225104 24676673 26128242 28201912 29860848 31727151 34837656 39192363 42302868 44791272 46450208 49353346 52256484 56403824 59721696 63454302 69675312 74030019 78384726 84605736 89582544 95181453 98706692 104512968 112807648 126908604 139350624 148060038 156769452 169211472 179165088 190362906 197413384 209025936 222090057 253817208 296120076 313538904 338422944 380725812 394826768 418051872 444180114 507634416 592240152 627077808 666270171 761451624 789653536 888360228 1015268832 1184480304 1254155616 1332540342 1522903248 1776720456 2368960608 2665080684 3045806496 3553440912 5330161368 7106881824 10660322736 21320645472
- Sum of all divisors σ(n): 75249699840
- Sum of proper divisors (its aliquot sum) s(n): 53929054368
- 21320645472 is an abundant number, because the sum of its proper divisors (53929054368) is greater than itself. Its abundance is 32608408896
Bases of 21320645472
- Binary: 100111101101100111100111011011000002
- Hexadecimal: 0x4F6CF3B60
- Base-36: 9SLRFC0
Squares and roots of 21320645472
- 21320645472 squared (213206454722) is 454569923342714102784
- 21320645472 cubed (213206454723) is 9691724177824224539712232194048
-
The
square root of 21320645472 is 146015.9082839949 -
The
cube root of 21320645472 is 2772.8951588825
Scales and comparisons
How big is 21320645472?- 21,320,645,472 seconds is equal to 677 years, 48 weeks, 2 days, 17 hours, 31 minutes, 12 seconds.
-
To count from 1 to 21,320,645,472 would take you about one thousand, three hundred fifty-five 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 21320645472 cubic inches would be around 231.1 feet tall.
Recreational maths with 21320645472
- 21320645472 backwards is 27454602312
- 21320645472 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21320645472's digits is 36
- More coming soon!
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The information we have on file for 21320645472 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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