21309015728
21,309,015,728 is an even composite number composed of six prime numbers multiplied together.
21309015728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21309015728:
24 × 72 × 112 × 13 × 37 × 467
(2 × 2 × 2 × 2 × 7 × 7 × 11 × 11 × 13 × 37 × 467)See below for interesting mathematical facts about the number 21309015728 from the Numbermatics database.
Names of 21309015728
- Cardinal: 21309015728 can be written as Twenty-one billion, three hundred nine million, fifteen thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1309015728 × 1010
Factors of 21309015728
Divisors of 21309015728
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 4 7 8 11 13 14 16 22 26 28 37 44 49 52 56 74 77 88 91 98 104 112 121 143 148 154 176 182 196 208 242 259 286 296 308 364 392 407 467 481 484 518 539 572 592 616 637 728 784 814 847 934 962 968 1001 1036 1078 1144 1232 1274 1456 1573 1628 1694 1813 1868 1924 1936 2002 2072 2156 2288 2548 2849 3146 3256 3269 3367 3388 3626 3736 3848 4004 4144 4312 4477 5096 5137 5291 5698 5929 6071 6292 6512 6538 6734 6776 7007 7252 7472 7696 8008 8624 8954 10192 10274 10582 11011 11396 11858 12142 12584 13076 13468 13552 14014 14504 16016 17279 17908 19943 20548 21164 22022 22792 22883 23569 23716 24284 25168 26152 26936 28028 29008 31339 34558 35816 35959 37037 39886 41096 42328 42497 44044 45584 45766 47138 47432 48568 52304 53872 56056 56507 58201 62678 66781 69116 71632 71918 74074 77077 79772 82192 84656 84994 88088 91532 94276 94864 97136 112112 113014 116402 120953 125356 133562 138232 143836 148148 154154 159544 169988 176176 183064 188552 190069 219373 224627 226028 232804 241906 250712 251713 259259 267124 276464 287672 296296 297479 308308 319088 339976 366128 377104 380138 395549 407407 438746 449254 452056 465608 467467 483812 501424 503426 518518 534248 575344 592592 594958 616616 679952 734591 760276 791098 814814 846671 877492 898508 904112 931216 934934 967624 1006852 1037036 1068496 1189916 1233232 1330483 1469182 1520552 1572389 1582196 1629628 1693342 1754984 1797016 1869868 1935248 2013704 2074072 2090759 2379832 2470897 2660966 2768843 2851849 2938364 3041104 3144778 3164392 3259256 3272269 3386684 3509968 3594032 3739736 4027408 4148144 4181518 4759664 4941794 5142137 5321932 5537686 5703698 5876728 6289556 6328784 6518512 6544538 6773368 7479472 8363036 9313381 9883588 10284274 10643864 11006723 11075372 11407396 11753456 12579112 13089076 13546736 14635313 16726072 17296279 18626762 19767176 20568548 21287728 22013446 22150744 22814792 25158224 26178152 27179867 29270626 33452144 34592558 35994959 37253524 39534352 41137096 44026892 44301488 45629584 52356304 54359734 58541252 69185116 71989918 74507048 82274192 88053784 102447191 108719468 117082504 121073953 138370232 143979836 149014096 176107568 190259069 204894382 217438936 234165008 242147906 276740464 287959672 380518138 409788764 434877872 484295812 575919344 761036276 819577528 968591624 1331813483 1522072552 1639155056 1937183248 2663626966 3044145104 5327253932 10654507864 21309015728
- Sum of all divisors σ(n): 58512098736
- Sum of proper divisors (its aliquot sum) s(n): 37203083008
- 21309015728 is an abundant number, because the sum of its proper divisors (37203083008) is greater than itself. Its abundance is 15894067280
Bases of 21309015728
- Binary: 100111101100001110111000110101100002
- Hexadecimal: 0x4F61DC6B0
- Base-36: 9SEU5RK
Squares and roots of 21309015728
- 21309015728 squared (213090157282) is 454074151296151369984
- 21309015728 cubed (213090157283) is 9675873231647941128857803108352
-
The
square root of 21309015728 is 145976.0793006855 -
The
cube root of 21309015728 is 2772.3908913783
Scales and comparisons
How big is 21309015728?- 21,309,015,728 seconds is equal to 677 years, 29 weeks, 1 day, 3 hours, 2 minutes, 8 seconds.
-
To count from 1 to 21,309,015,728 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 21309015728 cubic inches would be around 231 feet tall.
Recreational maths with 21309015728
- 21309015728 backwards is 82751090312
- The number of decimal digits it has is: 11
- The sum of 21309015728's digits is 38
- More coming soon!
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The information we have on file for 21309015728 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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