21398506584
21,398,506,584 is an even composite number composed of six prime numbers multiplied together.
21398506584 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21398506584:
23 × 3 × 72 × 13 × 432 × 757
(2 × 2 × 2 × 3 × 7 × 7 × 13 × 43 × 43 × 757)See below for interesting mathematical facts about the number 21398506584 from the Numbermatics database.
Names of 21398506584
- Cardinal: 21398506584 can be written as Twenty-one billion, three hundred ninety-eight million, five hundred six thousand, five hundred eighty-four.
Scientific notation
- Scientific notation: 2.1398506584 × 1010
Factors of 21398506584
Divisors of 21398506584
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 43 49 52 56 78 84 86 91 98 104 129 147 156 168 172 182 196 258 273 294 301 312 344 364 392 516 546 559 588 602 637 728 757 903 1032 1092 1118 1176 1204 1274 1514 1677 1806 1849 1911 2107 2184 2236 2271 2408 2548 3028 3354 3612 3698 3822 3913 4214 4472 4542 5096 5299 5547 6056 6321 6708 7224 7396 7644 7826 8428 9084 9841 10598 11094 11739 12642 12943 13416 14792 15288 15652 15897 16856 18168 19682 21196 22188 23478 24037 25284 25886 27391 29523 31304 31794 32551 37093 38829 39364 42392 44376 46956 48074 50568 51772 54782 59046 63588 65102 68887 72111 74186 77658 78728 82173 90601 93912 96148 97653 103544 109564 111279 118092 127176 130204 137774 144222 148372 155316 164346 168259 181202 192296 195306 206661 219128 222558 227857 236184 260408 271803 275548 288444 296744 310632 328692 336518 362404 390612 413322 423163 445116 455714 482209 504777 543606 551096 576888 657384 673036 683571 724808 781224 826644 846326 890232 911428 964418 1009554 1087212 1177813 1269489 1346072 1367142 1399693 1446627 1594999 1653288 1692652 1822856 1928836 2019108 2174424 2355626 2538978 2734284 2799386 2893254 2962141 3189998 3385304 3533439 3857672 4038216 4199079 4711252 4784997 5077956 5468568 5598772 5786508 5924282 6379996 7066878 8398158 8886423 9422504 9569994 9797851 10155912 11197544 11573016 11848564 12759992 14133756 16796316 17772846 18196009 19139988 19595702 20734987 23697128 28267512 29393553 33592632 35545692 36392018 38279976 39191404 41469974 54588027 58787106 62204961 68584957 71091384 72784036 78382808 82939948 109176054 117574212 124409922 127372063 137169914 145568072 165879896 205754871 218352108 235148424 248819844 254744126 274339828 382116189 411509742 436704216 497639688 509488252 548679656 764232378 823019484 891604441 1018976504 1528464756 1646038968 1783208882 2674813323 3056929512 3566417764 5349626646 7132835528 10699253292 21398506584
- Sum of all divisors σ(n): 68702724720
- Sum of proper divisors (its aliquot sum) s(n): 47304218136
- 21398506584 is an abundant number, because the sum of its proper divisors (47304218136) is greater than itself. Its abundance is 25905711552
Bases of 21398506584
- Binary: 100111110110111001101001100010110002
- Hexadecimal: 0x4FB734C58
- Base-36: 9TW49CO
Squares and roots of 21398506584
- 21398506584 squared (213985065842) is 457896084025491349056
- 21398506584 cubed (213985065843) is 9798292368807293856609858184704
-
The
square root of 21398506584 is 146282.2839034173 -
The
cube root of 21398506584 is 2776.2665142193
Scales and comparisons
How big is 21398506584?- 21,398,506,584 seconds is equal to 680 years, 21 weeks, 21 hours, 36 minutes, 24 seconds.
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To count from 1 to 21,398,506,584 would take you about one thousand, three hundred sixty 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 21398506584 cubic inches would be around 231.4 feet tall.
Recreational maths with 21398506584
- 21398506584 backwards is 48560589312
- The number of decimal digits it has is: 11
- The sum of 21398506584's digits is 51
- More coming soon!
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