21513727872
21,513,727,872 is an even composite number composed of six prime numbers multiplied together.
21513727872 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21513727872:
27 × 33 × 7 × 13 × 67 × 1021
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 13 × 67 × 1021)See below for interesting mathematical facts about the number 21513727872 from the Numbermatics database.
Names of 21513727872
- Cardinal: 21513727872 can be written as Twenty-one billion, five hundred thirteen million, seven hundred twenty-seven thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1513727872 × 1010
Factors of 21513727872
Divisors of 21513727872
- Number of divisors d(n): 512
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 64 67 72 78 84 91 96 104 108 112 117 126 128 134 144 156 168 182 189 192 201 208 216 224 234 252 268 273 288 312 336 351 364 378 384 402 416 432 448 468 469 504 536 546 576 603 624 672 702 728 756 804 819 832 864 871 896 936 938 1008 1021 1072 1092 1152 1206 1248 1344 1404 1407 1456 1512 1608 1638 1664 1728 1742 1809 1872 1876 2016 2042 2144 2184 2412 2457 2496 2613 2688 2808 2814 2912 3024 3063 3216 3276 3456 3484 3618 3744 3752 4032 4084 4221 4288 4368 4824 4914 4992 5226 5616 5628 5824 6048 6097 6126 6432 6552 6968 7147 7236 7488 7504 7839 8064 8168 8442 8576 8736 9189 9648 9828 10452 11232 11256 11648 12096 12194 12252 12663 12864 13104 13273 13936 14294 14472 14976 15008 15678 16336 16884 17472 18291 18378 19296 19656 20904 21441 22464 22512 23517 24192 24388 24504 25326 25728 26208 26546 27567 27872 28588 28944 30016 31356 32672 33768 34944 36582 36756 38592 39312 39819 41808 42882 44928 45024 47034 48776 49008 50652 52416 53092 54873 55134 55744 57176 57888 60032 62712 64323 65344 67536 68407 73164 73512 77184 78624 79638 83616 85764 90048 92911 94068 97552 98016 101304 104832 106184 109746 110268 111488 114352 115776 119457 125424 128646 130688 135072 136814 146328 147024 157248 159276 164619 167232 171528 180096 185822 188136 192969 195104 196032 202608 205221 212368 219492 220536 228704 231552 238914 250848 257292 270144 273628 278733 292656 294048 314496 318552 329238 334464 343056 358371 371644 376272 385938 390208 392064 405216 410442 424736 438984 441072 457408 477828 478849 501696 514584 540288 547256 557466 585312 588096 615663 637104 658476 686112 716742 743288 752544 771876 780416 810432 820884 836199 849472 877968 882144 889291 914816 955656 957698 1003392 1029168 1094512 1114932 1170624 1176192 1231326 1274208 1316952 1372224 1433484 1436547 1486576 1505088 1543752 1620864 1641768 1672398 1698944 1755936 1764288 1778582 1846989 1911312 1915396 2058336 2189024 2229864 2341248 2462652 2508597 2548416 2633904 2667873 2744448 2866968 2873094 2973152 3010176 3087504 3283536 3344796 3511872 3528576 3557164 3693978 3822624 3830792 4116672 4309641 4378048 4459728 4925304 5017194 5096832 5267808 5335746 5733936 5746188 5946304 6175008 6225037 6567072 6689592 7023744 7114328 7387956 7645248 7661584 8003619 8233344 8619282 8756096 8919456 9850608 10034388 10535616 10671492 11467872 11492376 11892608 12350016 12450074 12928923 13134144 13379184 14228656 14775912 15290496 15323168 16007238 17238564 17838912 18675111 19701216 20068776 21071232 21342984 22935744 22984752 24010857 24700032 24900148 25857846 26268288 26758368 28457312 29551824 30646336 32014476 34477128 35677824 37350222 39402432 40137552 42685968 45871488 45969504 48021714 49800296 51715692 53516736 56025333 56914624 59103648 61292672 64028952 68954256 74700444 78804864 80275104 85371936 91939008 96043428 99600592 103431384 107033472 112050666 113829248 118207296 128057904 137908512 149400888 160550208 168075999 170743872 183878016 192086856 199201184 206862768 224101332 236414592 256115808 275817024 298801776 321100416 336151998 341487744 384173712 398402368 413725536 448202664 512231616 551634048 597603552 672303996 768347424 796804736 827451072 896405328 1024463232 1195207104 1344607992 1536694848 1654902144 1792810656 2390414208 2689215984 3073389696 3585621312 5378431968 7171242624 10756863936 21513727872
- Sum of all divisors σ(n): 79392230400
- Sum of proper divisors (its aliquot sum) s(n): 57878502528
- 21513727872 is an abundant number, because the sum of its proper divisors (57878502528) is greater than itself. Its abundance is 36364774656
Bases of 21513727872
- Binary: 101000000100101000101101111100000002
- Hexadecimal: 0x502516F80
- Base-36: 9VSPUO0
Squares and roots of 21513727872
- 21513727872 squared (215137278722) is 462840486950469648384
- 21513727872 cubed (215137278723) is 9957424284396371157928900558848
-
The
square root of 21513727872 is 146675.5871711445 -
The
cube root of 21513727872 is 2781.2405773753
Scales and comparisons
How big is 21513727872?- 21,513,727,872 seconds is equal to 684 years, 3 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,513,727,872 would take you about one thousand, three hundred sixty-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 21513727872 cubic inches would be around 231.8 feet tall.
Recreational maths with 21513727872
- 21513727872 backwards is 27872731512
- The number of decimal digits it has is: 11
- The sum of 21513727872's digits is 45
- More coming soon!
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