21240436672
21,240,436,672 is an even composite number composed of six prime numbers multiplied together.
21240436672 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 21240436672:
26 × 7 × 13 × 37 × 241 × 409
(2 × 2 × 2 × 2 × 2 × 2 × 7 × 13 × 37 × 241 × 409)See below for interesting mathematical facts about the number 21240436672 from the Numbermatics database.
Names of 21240436672
- Cardinal: 21240436672 can be written as Twenty-one billion, two hundred forty million, four hundred thirty-six thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1240436672 × 1010
Factors of 21240436672
Divisors of 21240436672
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 37 52 56 64 74 91 104 112 148 182 208 224 241 259 296 364 409 416 448 481 482 518 592 728 818 832 962 964 1036 1184 1456 1636 1687 1924 1928 2072 2368 2863 2912 3133 3272 3367 3374 3848 3856 4144 5317 5726 5824 6266 6544 6734 6748 7696 7712 8288 8917 10634 11452 12532 13088 13468 13496 15133 15392 15424 16576 17834 21268 21931 22904 25064 26176 26936 26992 30266 30784 35668 37219 42536 43862 45808 50128 53872 53984 60532 62419 71336 74438 85072 87724 91616 98569 100256 105931 107744 107968 115921 121064 124838 142672 148876 170144 175448 183232 196729 197138 200512 211862 215488 231842 242128 249676 285344 297752 340288 350896 393458 394276 423724 463684 484256 499352 570688 595504 689983 701792 786916 788552 811447 847448 927368 968512 998704 1191008 1281397 1377103 1379966 1403584 1573832 1577104 1622894 1694896 1854736 1997408 2382016 2562794 2754206 2759932 3147664 3154208 3245788 3389792 3647053 3709472 3994816 5125588 5508412 5519864 6295328 6308416 6491576 6779584 7294106 7418944 8969779 10251176 11016824 11039728 12590656 12983152 14588212 17939558 20502352 22033648 22079456 25529371 25966304 29176424 35879116 41004704 44067296 44158912 47411689 51058742 51932608 58352848 71758232 82009408 88134592 94823378 102117484 116705696 143516464 189646756 204234968 233411392 287032928 331881823 379293512 408469936 574065856 663763646 758587024 816939872 1327527292 1517174048 1633879744 2655054584 3034348096 5310109168 10620218336 21240436672
- Sum of all divisors σ(n): 53629600640
- Sum of proper divisors (its aliquot sum) s(n): 32389163968
- 21240436672 is an abundant number, because the sum of its proper divisors (32389163968) is greater than itself. Its abundance is 11148727296
Bases of 21240436672
- Binary: 100111100100000011101010111110000002
- Hexadecimal: 0x4F20757C0
- Base-36: 9RA09TS
Squares and roots of 21240436672
- 21240436672 squared (212404366722) is 451156150017242435584
- 21240436672 cubed (212404366723) is 9582753633624569661092991336448
-
The
square root of 21240436672 is 145740.9917353385 -
The
cube root of 21240436672 is 2769.4135556851
Scales and comparisons
How big is 21240436672?- 21,240,436,672 seconds is equal to 675 years, 19 weeks, 5 days, 9 hours, 17 minutes, 52 seconds.
-
To count from 1 to 21,240,436,672 would take you about one thousand, three hundred fifty 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 21240436672 cubic inches would be around 230.8 feet tall.
Recreational maths with 21240436672
- 21240436672 backwards is 27663404212
- 21240436672 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21240436672's digits is 37
- More coming soon!
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The information we have on file for 21240436672 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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