21131613888
21,131,613,888 is an even composite number composed of seven prime numbers multiplied together.
21131613888 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21131613888:
26 × 3 × 7 × 11 × 53 × 149 × 181
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 11 × 53 × 149 × 181)See below for interesting mathematical facts about the number 21131613888 from the Numbermatics database.
Names of 21131613888
- Cardinal: 21131613888 can be written as Twenty-one billion, one hundred thirty-one million, six hundred thirteen thousand, eight hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1131613888 × 1010
Factors of 21131613888
Divisors of 21131613888
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 53 56 64 66 77 84 88 96 106 112 132 149 154 159 168 176 181 192 212 224 231 264 298 308 318 336 352 362 371 424 447 448 462 528 543 583 596 616 636 672 704 724 742 848 894 924 1043 1056 1086 1113 1166 1192 1232 1267 1272 1344 1448 1484 1639 1696 1749 1788 1848 1991 2086 2112 2172 2226 2332 2384 2464 2534 2544 2896 2968 3129 3278 3392 3498 3576 3696 3801 3982 4081 4172 4344 4452 4664 4768 4917 4928 5068 5088 5792 5936 5973 6258 6556 6996 7152 7392 7602 7897 7964 8162 8344 8688 8904 9328 9536 9593 9834 10136 10176 11473 11584 11872 11946 12243 12516 13112 13937 13992 14304 14784 15204 15794 15928 16324 16688 17376 17808 18656 19186 19668 20272 22946 23691 23744 23892 24486 25032 26224 26969 27874 27984 28608 28779 30408 31588 31856 32648 33376 34419 34752 35616 37312 38372 39336 40544 41811 45892 47382 47784 48972 50064 52448 53938 55279 55748 55968 57558 60816 63176 63712 65296 66752 67151 68838 71232 76744 78672 80907 81088 83622 86867 91784 94764 95568 97944 100128 104896 105523 107876 110558 111496 111936 115116 121632 126352 127424 130592 134302 137676 153488 157344 161814 165837 167244 173734 183568 188783 189528 191136 195888 200256 201453 211046 215752 221116 222992 230232 243264 252704 260601 261184 268604 275352 296659 306976 314688 316569 323628 331674 334488 347468 367136 377566 379056 382272 391776 402906 422092 431504 442232 445984 460464 505408 521202 537208 550704 566349 593318 608069 613952 633138 647256 663348 668976 694936 734272 738661 755132 758112 783552 805812 844184 863008 884464 889977 891968 920928 1042404 1074416 1101408 1132698 1186636 1216138 1266276 1294512 1326696 1337952 1389872 1429357 1477322 1510264 1516224 1611624 1688368 1726016 1768928 1779954 1824207 1841856 2076613 2084808 2148832 2202816 2215983 2265396 2373272 2432276 2532552 2589024 2653392 2675904 2779744 2858714 2954644 3020528 3223248 3376736 3537856 3559908 3648414 4153226 4169616 4288071 4297664 4431966 4530792 4746544 4864552 5065104 5178048 5306784 5559488 5717428 5909288 6041056 6229839 6446496 6753472 7119816 7296828 8306452 8339232 8576142 8863932 9061584 9493088 9729104 10005499 10130208 10613568 11434856 11818576 12082112 12459678 12892992 14239632 14593656 15722927 16612904 16678464 17152284 17727864 18123168 18986176 19458208 20010998 20260416 22869712 23637152 24919356 28479264 29187312 30016497 31445854 33225808 34304568 35455728 36246336 38916416 40021996 45739424 47168781 47274304 49838712 56958528 58374624 60032994 62891708 66451616 68609136 70911456 80043992 91478848 94337562 99677424 110060489 116749248 120065988 125783416 132903232 137218272 141822912 160087984 188675124 199354848 220120978 240131976 251566832 274436544 320175968 330181467 377350248 398709696 440241956 480263952 503133664 640351936 660362934 754700496 880483912 960527904 1006267328 1320725868 1509400992 1760967824 1921055808 2641451736 3018801984 3521935648 5282903472 7043871296 10565806944 21131613888
- Sum of all divisors σ(n): 71893785600
- Sum of proper divisors (its aliquot sum) s(n): 50762171712
- 21131613888 is an abundant number, because the sum of its proper divisors (50762171712) is greater than itself. Its abundance is 29630557824
Bases of 21131613888
- Binary: 100111010111000101011010110110000002
- Hexadecimal: 0x4EB8AD6C0
- Base-36: 9PH7TMO
Squares and roots of 21131613888
- 21131613888 squared (211316138882) is 446545105511514476544
- 21131613888 cubed (211316138883) is 9436218753245544656450240643072
-
The
square root of 21131613888 is 145367.1692233153 -
The
cube root of 21131613888 is 2764.6758713911
Scales and comparisons
How big is 21131613888?- 21,131,613,888 seconds is equal to 671 years, 47 weeks, 5 days, 20 hours, 44 minutes, 48 seconds.
-
To count from 1 to 21,131,613,888 would take you about one thousand, three hundred forty-three 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 21131613888 cubic inches would be around 230.4 feet tall.
Recreational maths with 21131613888
- 21131613888 backwards is 88831613112
- 21131613888 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21131613888's digits is 42
- More coming soon!
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The information we have on file for 21131613888 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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