21556721472
21,556,721,472 is an even composite number composed of seven prime numbers multiplied together.
21556721472 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 21556721472:
26 × 3 × 11 × 13 × 19 × 312 × 43
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 13 × 19 × 31 × 31 × 43)See below for interesting mathematical facts about the number 21556721472 from the Numbermatics database.
Names of 21556721472
- Cardinal: 21556721472 can be written as Twenty-one billion, five hundred fifty-six million, seven hundred twenty-one thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1556721472 × 1010
Factors of 21556721472
Divisors of 21556721472
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 3 4 6 8 11 12 13 16 19 22 24 26 31 32 33 38 39 43 44 48 52 57 62 64 66 76 78 86 88 93 96 104 114 124 129 132 143 152 156 172 176 186 192 208 209 228 247 248 258 264 286 304 312 341 344 352 372 403 416 418 429 456 473 494 496 516 528 559 572 589 608 624 627 682 688 704 741 744 806 817 832 836 858 912 946 961 988 992 1023 1032 1056 1118 1144 1178 1209 1216 1248 1254 1333 1364 1376 1419 1482 1488 1612 1634 1672 1677 1716 1767 1824 1892 1922 1976 1984 2046 2064 2112 2236 2288 2356 2418 2451 2496 2508 2666 2717 2728 2752 2838 2883 2964 2976 3224 3268 3344 3354 3432 3534 3648 3784 3844 3952 3999 4092 4128 4433 4472 4576 4712 4836 4902 5016 5332 5434 5456 5676 5766 5928 5952 6149 6448 6479 6536 6688 6708 6864 7068 7568 7657 7688 7904 7998 8151 8184 8256 8866 8944 8987 9152 9424 9672 9804 10032 10571 10621 10664 10868 10912 11352 11532 11856 12298 12493 12896 12958 13072 13299 13376 13416 13728 14136 14663 15136 15314 15376 15808 15996 16302 16368 17329 17732 17888 17974 18259 18447 18848 19344 19437 19608 20064 21142 21242 21328 21736 21824 22704 22971 23064 23712 24596 24986 25327 25792 25916 26144 26598 26832 26961 27456 28272 29326 30272 30628 30752 31713 31863 31992 32604 32736 34658 35464 35776 35948 36518 36894 37479 37696 38688 38874 39216 40128 41323 42284 42484 42656 43472 43989 45408 45942 46128 47424 49192 49972 50654 51832 51987 52288 53196 53664 53922 54777 56544 58652 61256 61504 63426 63726 63984 65208 65472 69316 70928 71896 73036 73788 74958 75981 77376 77748 78432 82646 84227 84568 84968 85312 86944 87978 90816 91884 92256 98384 99944 101308 103664 103974 106392 107328 107844 109554 113088 116831 117304 122512 123969 126852 127452 127968 130416 137423 138632 141856 143792 146072 147576 149916 151962 155496 156864 165292 168454 169136 169936 173888 175956 183768 184512 190619 196768 199888 200849 202616 207328 207948 212784 215688 219108 233662 234608 237367 245024 247938 252681 253704 254904 255936 260832 274846 277264 278597 283712 287584 292144 295152 299832 303924 310992 329251 330584 336908 338272 339872 350493 351912 367536 381238 393536 399776 401698 405232 412269 414656 415896 425568 431376 438216 454553 467324 469216 474734 490048 495876 505362 507408 509808 521664 537199 549692 554528 557194 571857 575168 584288 590304 599664 602547 607848 621984 658502 661168 673816 676544 679744 700986 703824 712101 735072 762476 785137 799552 803396 810464 824538 831792 835791 851136 862752 876432 909106 934648 938432 949468 987753 991752 1010724 1014816 1019616 1074398 1099384 1109056 1114388 1143714 1168576 1180608 1199328 1205094 1215696 1243968 1317004 1322336 1347632 1363659 1401972 1407648 1424202 1470144 1524952 1570274 1606792 1611597 1620928 1649076 1663584 1671582 1725504 1752864 1818212 1869296 1898936 1975506 1983504 2021448 2029632 2039232 2148796 2198768 2228776 2287428 2355411 2398656 2410188 2431392 2611037 2634008 2644672 2695264 2727318 2803944 2815296 2848404 3049904 3140548 3213584 3223194 3298152 3327168 3343164 3505728 3621761 3636424 3738592 3797872 3951012 3967008 4042896 4297592 4397536 4457552 4574856 4710822 4820376 4862784 5222074 5268016 5390528 5454636 5607888 5696808 5909189 6099808 6281096 6427168 6446388 6596304 6686328 7243522 7272848 7477184 7595744 7833111 7902024 7934016 8085792 8595184 8636507 8795072 8915104 9149712 9421644 9640752 10206781 10444148 10536032 10865283 10909272 11215776 11393616 11818378 12199616 12562192 12854336 12892776 13192608 13372656 14487044 14545696 15191488 15666222 15804048 16171584 17190368 17273014 17727567 17830208 18299424 18843288 19281504 20413562 20888296 21072064 21730566 21818544 22431552 22787232 23636756 25124384 25785552 25909521 26385216 26745312 28974088 29091392 30620343 31332444 31608096 34380736 34546028 35455134 36598848 37686576 38563008 40827124 41776592 43461132 43637088 45574464 47273512 50248768 51571104 51819042 53490624 57948176 61240686 62664888 63216192 69092056 70910268 75373152 81654248 83553184 86922264 87274176 94547024 103142208 103638084 112274591 115896352 122481372 125329776 138184112 141820536 150746304 163308496 167106368 173844528 189094048 207276168 224549182 231792704 244962744 250659552 276368224 283641072 326616992 336823773 347689056 378188096 414552336 449098364 489925488 501319104 552736448 567282144 653233984 673647546 695378112 829104672 898196728 979850976 1134564288 1347295092 1658209344 1796393456 1959701952 2694590184 3592786912 5389180368 7185573824 10778360736 21556721472
- Sum of all divisors σ(n): 74577000960
- Sum of proper divisors (its aliquot sum) s(n): 53020279488
- 21556721472 is an abundant number, because the sum of its proper divisors (53020279488) is greater than itself. Its abundance is 31463558016
Bases of 21556721472
- Binary: 101000001001110000101110111010000002
- Hexadecimal: 0x504E17740
- Base-36: 9WIBCQO
Squares and roots of 21556721472
- 21556721472 squared (215567214722) is 464692240621385846784
- 21556721472 cubed (215567214723) is 10017241201274818905765554946048
-
The
square root of 21556721472 is 146822.0741986709 -
The
cube root of 21556721472 is 2783.0920460375
Scales and comparisons
How big is 21556721472?- 21,556,721,472 seconds is equal to 685 years, 22 weeks, 5 days, 2 hours, 11 minutes, 12 seconds.
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To count from 1 to 21,556,721,472 would take you about one thousand, three hundred seventy 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 21556721472 cubic inches would be around 231.9 feet tall.
Recreational maths with 21556721472
- 21556721472 backwards is 27412765512
- The number of decimal digits it has is: 11
- The sum of 21556721472's digits is 42
- More coming soon!
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The information we have on file for 21556721472 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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