21029838720
21,029,838,720 is an even composite number composed of six prime numbers multiplied together.
21029838720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21029838720:
27 × 3 × 5 × 112 × 131 × 691
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 11 × 11 × 131 × 691)See below for interesting mathematical facts about the number 21029838720 from the Numbermatics database.
Names of 21029838720
- Cardinal: 21029838720 can be written as Twenty-one billion, twenty-nine million, eight hundred thirty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.102983872 × 1010
Factors of 21029838720
Divisors of 21029838720
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 121 128 131 132 160 165 176 192 220 240 242 262 264 320 330 352 363 384 393 440 480 484 524 528 605 640 655 660 691 704 726 786 880 960 968 1048 1056 1210 1310 1320 1382 1408 1441 1452 1572 1760 1815 1920 1936 1965 2073 2096 2112 2420 2620 2640 2764 2882 2904 3144 3455 3520 3630 3872 3930 4146 4192 4224 4323 4840 5240 5280 5528 5764 5808 6288 6910 7040 7205 7260 7601 7744 7860 8292 8384 8646 9680 10365 10480 10560 11056 11528 11616 12576 13820 14410 14520 15202 15488 15720 15851 16584 16768 17292 19360 20730 20960 21120 21615 22112 22803 23056 23232 25152 27640 28820 29040 30404 31440 31702 33168 34584 38005 38720 41460 41920 43230 44224 45606 46112 46464 47553 50304 55280 57640 58080 60808 62880 63404 66336 69168 76010 77440 79255 82920 83611 83840 86460 88448 90521 91212 92224 95106 110560 114015 115280 116160 121616 125760 126808 132672 138336 152020 158510 165840 167222 172920 181042 182424 184448 190212 221120 228030 230560 232320 237765 243232 250833 251520 253616 265344 271563 276672 304040 317020 331680 334444 345840 362084 364848 380424 418055 442240 452605 456060 461120 475530 486464 501666 507232 543126 553344 608080 634040 663360 668888 691680 724168 729696 760848 836110 905210 912120 922240 951060 972928 995731 1003332 1014464 1086252 1216160 1254165 1268080 1326720 1337776 1357815 1383360 1448336 1459392 1521696 1672220 1810420 1824240 1902120 1991462 2006664 2028928 2172504 2432320 2508330 2536160 2675552 2715630 2766720 2896672 2918784 2987193 3043392 3344440 3620840 3648480 3804240 3982924 4013328 4345008 4864640 4978655 5016660 5072320 5351104 5431260 5793344 5974386 6086784 6688880 7241680 7296960 7608480 7965848 8026656 8690016 9957310 10033320 10144640 10702208 10862520 10953041 11586688 11948772 13377760 14483360 14593920 14935965 15216960 15931696 16053312 17380032 19914620 20066640 21725040 21906082 23897544 26755520 28966720 29871930 30433920 31863392 32106624 32859123 34760064 39829240 40133280 43450080 43812164 47795088 53511040 54765205 57933440 59743860 63726784 65718246 79658480 80266560 86900160 87624328 95590176 109530410 119487720 127453568 131436492 159316960 160533120 164295615 173800320 175248656 191180352 219060820 238975440 262872984 318633920 328591230 350497312 382360704 438121640 477950880 525745968 637267840 657182460 700994624 876243280 955901760 1051491936 1314364920 1401989248 1752486560 1911803520 2102983872 2628729840 3504973120 4205967744 5257459680 7009946240 10514919360 21029838720
- Sum of all divisors σ(n): 74350362240
- Sum of proper divisors (its aliquot sum) s(n): 53320523520
- 21029838720 is an abundant number, because the sum of its proper divisors (53320523520) is greater than itself. Its abundance is 32290684800
Bases of 21029838720
- Binary: 100111001010111100111011111100000002
- Hexadecimal: 0x4E579DF80
- Base-36: 9NSMFEO
Squares and roots of 21029838720
- 21029838720 squared (210298387202) is 442254116589211238400
- 21029838720 cubed (210298387203) is 9300532745127188835563470848000
-
The
square root of 21029838720 is 145016.6842814991 -
The
cube root of 21029838720 is 2760.2302685427
Scales and comparisons
How big is 21029838720?- 21,029,838,720 seconds is equal to 668 years, 35 weeks, 3 days, 21 hours, 52 minutes.
-
To count from 1 to 21,029,838,720 would take you about one thousand, three hundred thirty-seven 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 21029838720 cubic inches would be around 230 feet tall.
Recreational maths with 21029838720
- 21029838720 backwards is 02783892012
- The number of decimal digits it has is: 11
- The sum of 21029838720's digits is 42
- More coming soon!
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The information we have on file for 21029838720 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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