21355631514
21,355,631,514 is an even composite number composed of seven prime numbers multiplied together.
21355631514 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21355631514:
2 × 32 × 7 × 192 × 23 × 137 × 149
(2 × 3 × 3 × 7 × 19 × 19 × 23 × 137 × 149)See below for interesting mathematical facts about the number 21355631514 from the Numbermatics database.
Names of 21355631514
- Cardinal: 21355631514 can be written as Twenty-one billion, three hundred fifty-five million, six hundred thirty-one thousand, five hundred fourteen.
Scientific notation
- Scientific notation: 2.1355631514 × 1010
Factors of 21355631514
Divisors of 21355631514
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 6 7 9 14 18 19 21 23 38 42 46 57 63 69 114 126 133 137 138 149 161 171 207 266 274 298 322 342 361 399 411 414 437 447 483 722 798 822 874 894 959 966 1043 1083 1197 1233 1311 1341 1449 1918 2086 2166 2394 2466 2527 2603 2622 2682 2831 2877 2898 3059 3129 3151 3249 3427 3933 5054 5206 5662 5754 6118 6258 6302 6498 6854 7581 7809 7866 8303 8493 8631 9177 9387 9453 10281 15162 15618 16606 16986 17262 18221 18354 18774 18906 19817 20413 20562 22057 22743 23427 23989 24909 25479 27531 28359 30843 36442 39634 40826 44114 45486 46854 47978 49457 49818 50958 53789 54663 55062 56718 58121 59451 59869 61239 61686 65113 66171 71967 74727 98914 107578 109326 116242 118902 119738 122478 130226 132342 142891 143934 148371 149454 161367 163989 174363 178353 179607 183717 195339 198513 215901 285782 296742 322734 327978 346199 348726 356706 359214 367434 376523 387847 390678 397026 419083 428673 431802 445113 455791 469499 484101 523089 538821 586017 692398 753046 775694 838166 857346 890226 911582 938998 968202 1038597 1046178 1077642 1129569 1137511 1163541 1172034 1237147 1257249 1286019 1367373 1408497 2077194 2259138 2275022 2327082 2474294 2514498 2572038 2714929 2734746 2816994 3115791 3286493 3388707 3412533 3490623 3711441 3771747 4102119 4225491 5429858 6231582 6572986 6777414 6825066 6981246 7369093 7422882 7543494 7962577 8144787 8204238 8450982 8660029 8920481 9859479 10237599 11134323 14738186 15925154 16289574 17320058 17840962 19718958 20475198 22107279 22268646 23887731 24434361 25980087 26761443 29578437 44214558 47775462 48868722 51583651 51960174 53522886 59156874 62443367 66321837 71663193 77940261 80284329 103167302 124886734 132643674 143326386 154750953 155880522 160568658 169489139 187330101 309501906 338978278 374660202 464252859 508467417 561990303 928505718 1016934834 1123980606 1186423973 1525402251 2372847946 3050804502 3559271919 7118543838 10677815757 21355631514
- Sum of all divisors σ(n): 59055609600
- Sum of proper divisors (its aliquot sum) s(n): 37699978086
- 21355631514 is an abundant number, because the sum of its proper divisors (37699978086) is greater than itself. Its abundance is 16344346572
Bases of 21355631514
- Binary: 100111110001110010100010011100110102
- Hexadecimal: 0x4F8E5139A
- Base-36: 9T6LAQI
Squares and roots of 21355631514
- 21355631514 squared (213556315142) is 456062997361749932196
- 21355631514 cubed (213556315143) is 9739513318827885710192260824744
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The
square root of 21355631514 is 146135.6613356233 -
The
cube root of 21355631514 is 2774.4110543677
Scales and comparisons
How big is 21355631514?- 21,355,631,514 seconds is equal to 679 years, 2 weeks, 1 day, 15 hours, 51 minutes, 54 seconds.
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To count from 1 to 21,355,631,514 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 21355631514 cubic inches would be around 231.2 feet tall.
Recreational maths with 21355631514
- 21355631514 backwards is 41513655312
- The number of decimal digits it has is: 11
- The sum of 21355631514's digits is 36
- More coming soon!
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