21357143808
21,357,143,808 is an even composite number composed of six prime numbers multiplied together.
21357143808 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21357143808:
28 × 3 × 7 × 11 × 132 × 2137
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 11 × 13 × 13 × 2137)See below for interesting mathematical facts about the number 21357143808 from the Numbermatics database.
Names of 21357143808
- Cardinal: 21357143808 can be written as Twenty-one billion, three hundred fifty-seven million, one hundred forty-three thousand, eight hundred eight.
Scientific notation
- Scientific notation: 2.1357143808 × 1010
Factors of 21357143808
Divisors of 21357143808
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 6 7 8 11 12 13 14 16 21 22 24 26 28 32 33 39 42 44 48 52 56 64 66 77 78 84 88 91 96 104 112 128 132 143 154 156 168 169 176 182 192 208 224 231 256 264 273 286 308 312 336 338 352 364 384 416 429 448 462 507 528 546 572 616 624 672 676 704 728 768 832 858 896 924 1001 1014 1056 1092 1144 1183 1232 1248 1344 1352 1408 1456 1664 1716 1792 1848 1859 2002 2028 2112 2137 2184 2288 2366 2464 2496 2688 2704 2816 2912 3003 3328 3432 3549 3696 3718 4004 4056 4224 4274 4368 4576 4732 4928 4992 5376 5408 5577 5824 6006 6411 6864 7098 7392 7436 8008 8112 8448 8548 8736 9152 9464 9856 9984 10816 11154 11648 12012 12822 13013 13728 14196 14784 14872 14959 16016 16224 17096 17472 18304 18928 19712 21632 22308 23296 23507 24024 25644 26026 27456 27781 28392 29568 29744 29918 32032 32448 34192 34944 36608 37856 39039 43264 44616 44877 47014 48048 51288 52052 54912 55562 56784 59136 59488 59836 64064 64896 68384 69888 70521 75712 78078 83343 89232 89754 94028 96096 102576 104104 109824 111124 113568 118976 119672 128128 129792 136768 141042 151424 156156 164549 166686 178464 179508 188056 192192 194467 205152 208208 222248 227136 237952 239344 256256 273536 282084 302848 305591 312312 329098 333372 356928 359016 361153 376112 384384 388934 410304 416416 444496 454272 475904 478688 493647 547072 564168 583401 611182 624624 658196 666744 713856 718032 722306 752224 768768 777868 820608 832832 888992 908544 916773 957376 987294 1083459 1128336 1166802 1222364 1249248 1316392 1333488 1427712 1436064 1444612 1504448 1555736 1641216 1665664 1777984 1833546 1914752 1974588 2139137 2166918 2256672 2333604 2444728 2498496 2528071 2632784 2666976 2872128 2889224 3008896 3111472 3331328 3555968 3667092 3829504 3949176 3972683 4278274 4333836 4513344 4667208 4889456 4996992 5056142 5265568 5333952 5744256 5778448 6017792 6222944 6417411 7111936 7334184 7584213 7898352 7945366 8556548 8667672 9026688 9334416 9778912 9993984 10112284 10531136 10667904 11488512 11556896 11918049 12445888 12834822 14668368 15168426 15796704 15890732 17113096 17335344 18053376 18668832 19557824 20224568 21062272 21335808 23113792 23836098 24891776 25669644 27808781 29336736 30336852 31593408 31781464 34226192 34670688 37337664 39115648 40449136 42124544 46227584 47672196 49783552 51339288 55617562 58673472 60673704 63186816 63562928 68452384 69341376 74675328 78231296 80898272 83426343 92455168 95344392 102678576 111235124 117346944 121347408 126373632 127125856 136904768 138682752 149350656 161796544 166852686 190688784 205357152 222470248 234693888 242694816 254251712 273809536 277365504 323593088 333705372 381377568 410714304 444940496 485389632 508503424 547619072 647186176 667410744 762755136 821428608 889880992 970779264 1017006848 1334821488 1525510272 1642857216 1779761984 1941558528 2669642976 3051020544 3559523968 5339285952 7119047936 10678571904 21357143808
- Sum of all divisors σ(n): 76773424896
- Sum of proper divisors (its aliquot sum) s(n): 55416281088
- 21357143808 is an abundant number, because the sum of its proper divisors (55416281088) is greater than itself. Its abundance is 34059137280
Bases of 21357143808
- Binary: 100111110001111110000100111000000002
- Hexadecimal: 0x4F8FC2700
- Base-36: 9T7HPMO
Squares and roots of 21357143808
- 21357143808 squared (213571438082) is 456127591635592740864
- 21357143808 cubed (213571438083) is 9741582569358052097953326170112
-
The
square root of 21357143808 is 146140.8355251879 -
The
cube root of 21357143808 is 2774.4765425763
Scales and comparisons
How big is 21357143808?- 21,357,143,808 seconds is equal to 679 years, 4 weeks, 5 days, 3 hours, 56 minutes, 48 seconds.
-
To count from 1 to 21,357,143,808 would take you about one thousand, three hundred fifty-eight 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 21357143808 cubic inches would be around 231.2 feet tall.
Recreational maths with 21357143808
- 21357143808 backwards is 80834175312
- 21357143808 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21357143808's digits is 42
- More coming soon!
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The information we have on file for 21357143808 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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