21006318528
21,006,318,528 is an even composite number composed of five prime numbers multiplied together.
21006318528 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21006318528:
26 × 32 × 13 × 193 × 409
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 19 × 19 × 19 × 409)See below for interesting mathematical facts about the number 21006318528 from the Numbermatics database.
Names of 21006318528
- Cardinal: 21006318528 can be written as Twenty-one billion, six million, three hundred eighteen thousand, five hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1006318528 × 1010
Factors of 21006318528
Divisors of 21006318528
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 19 24 26 32 36 38 39 48 52 57 64 72 76 78 96 104 114 117 144 152 156 171 192 208 228 234 247 288 304 312 342 361 409 416 456 468 494 576 608 624 684 722 741 818 832 912 936 988 1083 1216 1227 1248 1368 1444 1482 1636 1824 1872 1976 2166 2223 2454 2496 2736 2888 2964 3249 3272 3648 3681 3744 3952 4332 4446 4693 4908 5317 5472 5776 5928 6498 6544 6859 7362 7488 7771 7904 8664 8892 9386 9816 10634 10944 11552 11856 12996 13088 13718 14079 14724 15542 15808 15951 17328 17784 18772 19632 20577 21268 23104 23313 23712 25992 26176 27436 28158 29448 31084 31902 34656 35568 37544 39264 41154 42237 42536 46626 47424 47853 51984 54872 56316 58896 61731 62168 63804 69312 69939 71136 75088 78528 82308 84474 85072 89167 93252 95706 101023 103968 109744 112632 117792 123462 124336 127608 139878 142272 147649 150176 164616 168948 170144 178334 186504 191412 202046 207936 219488 225264 235584 246924 248672 255216 267501 279756 295298 300352 303069 329232 337896 340288 356668 373008 382824 404092 438976 442947 450528 493848 497344 510432 535002 559512 590596 606138 658464 675792 713336 746016 765648 802503 808184 885894 901056 909207 987696 1020864 1070004 1119024 1181192 1212276 1316928 1328841 1351584 1426672 1492032 1531296 1605006 1616368 1771788 1818414 1919437 1975392 2140008 2238048 2362384 2424552 2657682 2703168 2805331 2853344 3062592 3210012 3232736 3543576 3636828 3838874 3950784 4280016 4476096 4724768 4849104 5315364 5610662 5706688 5758311 6420024 6465472 7087152 7273656 7677748 8415993 8560032 9449536 9698208 10630728 11221324 11516622 12840048 14174304 14547312 15355496 16831986 17120064 17274933 19396416 21261456 22442648 23033244 25247979 25680096 28348608 29094624 30710992 33663972 34549866 36469303 42522912 44885296 46066488 50495958 51360192 58189248 61421984 67327944 69099732 72938606 85045824 89770592 92132976 100991916 109407909 122843968 134655888 138199464 145877212 179541184 184265952 201983832 218815818 269311776 276398928 291754424 328223727 368531904 403967664 437631636 538623552 552797856 583508848 656447454 807935328 875263272 1105595712 1167017696 1312894908 1615870656 1750526544 2334035392 2625789816 3501053088 5251579632 7002106176 10503159264 21006318528
- Sum of all divisors σ(n): 68611597600
- Sum of proper divisors (its aliquot sum) s(n): 47605279072
- 21006318528 is an abundant number, because the sum of its proper divisors (47605279072) is greater than itself. Its abundance is 26598960544
Bases of 21006318528
- Binary: 100111001000001001011111011110000002
- Hexadecimal: 0x4E412FBC0
- Base-36: 9NEMB40
Squares and roots of 21006318528
- 21006318528 squared (210063185282) is 441265418099796086784
- 21006318528 cubed (210063185283) is 9269361927995413090832635133952
-
The
square root of 21006318528 is 144935.5668150507 -
The
cube root of 21006318528 is 2759.2008524381
Scales and comparisons
How big is 21006318528?- 21,006,318,528 seconds is equal to 667 years, 48 weeks, 4 days, 16 hours, 28 minutes, 48 seconds.
-
To count from 1 to 21,006,318,528 would take you about one thousand, three hundred thirty-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 21006318528 cubic inches would be around 229.9 feet tall.
Recreational maths with 21006318528
- 21006318528 backwards is 82581360012
- 21006318528 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21006318528's digits is 36
- More coming soon!
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