21238189440
21,238,189,440 is an even composite number composed of seven prime numbers multiplied together.
21238189440 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 21238189440:
27 × 3 × 5 × 132 × 29 × 37 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 13 × 29 × 37 × 61)See below for interesting mathematical facts about the number 21238189440 from the Numbermatics database.
Names of 21238189440
- Cardinal: 21238189440 can be written as Twenty-one billion, two hundred thirty-eight million, one hundred eighty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.123818944 × 1010
Factors of 21238189440
Divisors of 21238189440
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 32 37 39 40 48 52 58 60 61 64 65 74 78 80 87 96 104 111 116 120 122 128 130 145 148 156 160 169 174 183 185 192 195 208 222 232 240 244 260 290 296 305 312 320 338 348 366 370 377 384 390 416 435 444 464 480 481 488 507 520 555 580 592 610 624 640 676 696 732 740 754 780 793 832 845 870 888 915 928 960 962 976 1014 1040 1073 1110 1131 1160 1184 1220 1248 1352 1392 1443 1464 1480 1508 1560 1586 1664 1690 1740 1769 1776 1830 1856 1885 1920 1924 1952 2028 2080 2146 2220 2257 2262 2320 2368 2379 2405 2440 2496 2535 2704 2784 2886 2928 2960 3016 3120 3172 3219 3380 3480 3538 3552 3660 3712 3770 3848 3904 3965 4056 4160 4292 4440 4514 4524 4640 4736 4758 4810 4880 4901 4992 5070 5307 5365 5408 5568 5655 5772 5856 5920 6032 6240 6253 6344 6438 6760 6771 6960 7076 7104 7215 7320 7540 7696 7808 7930 8112 8320 8584 8845 8880 9028 9048 9280 9516 9620 9760 9802 10140 10309 10614 10730 10816 11136 11285 11310 11544 11712 11840 11895 12064 12480 12506 12688 12876 13520 13542 13920 13949 14152 14208 14430 14640 14703 15080 15392 15860 16095 16224 17168 17690 17760 18056 18096 18560 18759 19032 19240 19520 19604 20280 20618 21228 21460 21632 22570 22620 22997 23088 23424 23680 23790 24128 24505 24960 25012 25376 25752 26535 27040 27084 27840 27898 28304 28860 29280 29341 29406 30160 30784 30927 31265 31720 32190 32448 33855 34336 35380 35520 36112 36192 37518 38064 38480 39040 39208 40560 41236 41847 42456 42920 45140 45240 45994 46176 47580 48256 49010 50024 50752 51504 51545 53070 54080 54168 55680 55796 56608 57720 58560 58682 58812 60320 61568 61854 62530 63440 64380 64896 65453 67710 68672 68991 69745 70760 71040 72224 72384 73515 75036 76128 76960 78416 81120 82472 83694 84912 85840 88023 90280 90480 91988 92352 93795 95160 98020 100048 101504 103008 103090 106140 108160 108336 111592 113216 114985 115440 117120 117364 117624 120640 123708 125060 126880 128760 130906 135420 137344 137982 139490 141520 144448 144768 146705 147030 150072 152256 153920 154635 156832 162240 164944 167388 169824 171680 176046 180560 180960 181337 183976 184704 187590 190320 196040 196359 200096 206016 206180 209235 212280 216672 223184 226432 229970 230880 234728 235248 241280 247416 250120 253760 257520 261812 270840 275964 278980 283040 288896 293410 294060 298961 300144 304512 307840 309270 313664 324480 327265 329888 334776 339648 343360 344955 352092 361120 361920 362674 367952 375180 380640 381433 392080 392718 400192 412032 412360 418470 424560 433344 440115 446368 459940 461760 469456 470496 494832 500240 507520 515040 523624 541680 544011 551928 557960 566080 586820 588120 597922 600288 618540 627328 654530 659776 669552 679296 686720 689910 704184 722240 723840 725348 735904 750360 761280 762866 784160 785436 800384 824720 836940 849120 850889 866688 880230 892736 896883 906685 919880 923520 938912 940992 981795 989664 1000480 1030080 1047248 1083360 1088022 1103856 1115920 1132160 1144299 1173640 1176240 1195844 1200576 1237080 1309060 1319552 1339104 1379820 1408368 1444480 1450696 1471808 1494805 1500720 1522560 1525732 1568320 1570872 1649440 1673880 1698240 1701778 1760460 1785472 1793766 1813370 1839760 1877824 1881984 1907165 1963590 1979328 2000960 2060160 2094496 2166720 2176044 2207712 2231840 2288598 2347280 2352480 2391688 2401152 2474160 2552667 2618120 2678208 2720055 2759640 2816736 2901392 2943616 2989610 3001440 3051464 3136640 3141744 3298880 3347760 3396480 3403556 3520920 3587532 3626740 3679520 3755648 3814330 3927180 3958656 4001920 4188992 4254445 4333440 4352088 4415424 4463680 4484415 4577196 4694560 4704960 4783376 4948320 5105334 5236240 5356416 5440110 5519280 5633472 5721495 5802784 5979220 6002880 6102928 6283488 6597760 6695520 6807112 7041840 7175064 7253480 7359040 7628660 7854360 8377984 8508890 8704176 8830848 8927360 8968830 9154392 9389120 9409920 9566752 9896640 10210668 10472480 10880220 11038560 11061557 11266944 11442990 11605568 11958440 12005760 12205856 12566976 12763335 13391040 13614224 14083680 14350128 14506960 14718080 15257320 15708720 17017780 17408352 17937660 18308784 18778240 19133504 19793280 20421336 20944960 21760440 22077120 22123114 22885980 23211136 23916880 24411712 25133952 25526670 26782080 27228448 28167360 28700256 29013920 30514640 31417440 33184671 34035560 34816704 35875320 36617568 38267008 40842672 41889920 43520880 44154240 44246228 45771960 47833760 48823424 51053340 54456896 55307785 56334720 57400512 58027840 61029280 62834880 66369342 68071120 69633408 71750640 73235136 81685344 87041760 88492456 91543920 95667520 102106680 108913792 110615570 114801024 116055680 122058560 125669760 132738684 136142240 143501280 146470272 163370688 165923355 174083520 176984912 183087840 191335040 204213360 221231140 244117120 265477368 272284480 287002560 326741376 331846710 348167040 353969824 366175680 408426720 442462280 530954736 544568960 574005120 663693420 707939648 732351360 816853440 884924560 1061909472 1327386840 1415879296 1633706880 1769849120 2123818944 2654773680 3539698240 4247637888 5309547360 7079396480 10619094720 21238189440
- Sum of all divisors σ(n): 79158772800
- Sum of proper divisors (its aliquot sum) s(n): 57920583360
- 21238189440 is an abundant number, because the sum of its proper divisors (57920583360) is greater than itself. Its abundance is 36682393920
Bases of 21238189440
- Binary: 100111100011110010100001101100000002
- Hexadecimal: 0x4F1E50D80
- Base-36: 9R8O3UO
Squares and roots of 21238189440
- 21238189440 squared (212381894402) is 451060690689327513600
- 21238189440 cubed (212381894403) is 9579712397797181920040976384000
-
The
square root of 21238189440 is 145733.2818542147 -
The
cube root of 21238189440 is 2769.3158845253
Scales and comparisons
How big is 21238189440?- 21,238,189,440 seconds is equal to 675 years, 16 weeks, 9 hours, 4 minutes.
-
To count from 1 to 21,238,189,440 would take you about one thousand, three hundred fifty 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 21238189440 cubic inches would be around 230.8 feet tall.
Recreational maths with 21238189440
- 21238189440 backwards is 04498183212
- The number of decimal digits it has is: 11
- The sum of 21238189440's digits is 42
- More coming soon!
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The information we have on file for 21238189440 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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