21378147840
21,378,147,840 is an even composite number composed of seven prime numbers multiplied together.
21378147840 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of nine hundred sixty divisors.
Prime factorization of 21378147840:
29 × 32 × 5 × 7 × 41 × 53 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 41 × 53 × 61)See below for interesting mathematical facts about the number 21378147840 from the Numbermatics database.
Names of 21378147840
- Cardinal: 21378147840 can be written as Twenty-one billion, three hundred seventy-eight million, one hundred forty-seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.137814784 × 1010
Factors of 21378147840
Divisors of 21378147840
- Number of divisors d(n): 960
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 41 42 45 48 53 56 60 61 63 64 70 72 80 82 84 90 96 105 106 112 120 122 123 126 128 140 144 159 160 164 168 180 183 192 205 210 212 224 240 244 246 252 256 265 280 287 288 305 315 318 320 328 336 360 366 369 371 384 410 420 424 427 448 477 480 488 492 504 512 530 549 560 574 576 610 615 630 636 640 656 672 720 732 738 742 768 795 820 840 848 854 861 896 915 954 960 976 984 1008 1060 1098 1113 1120 1148 1152 1220 1230 1260 1272 1280 1281 1312 1344 1435 1440 1464 1476 1484 1536 1590 1640 1680 1696 1708 1722 1792 1830 1845 1855 1908 1920 1952 1968 2016 2120 2135 2173 2196 2226 2240 2296 2304 2385 2440 2460 2501 2520 2544 2560 2562 2583 2624 2688 2745 2870 2880 2928 2952 2968 3180 3233 3280 3339 3360 3392 3416 3444 3584 3660 3690 3710 3816 3840 3843 3904 3936 4032 4240 4270 4305 4346 4392 4452 4480 4592 4608 4770 4880 4920 5002 5040 5088 5124 5166 5248 5376 5490 5565 5740 5760 5856 5904 5936 6360 6405 6466 6519 6560 6678 6720 6784 6832 6888 7320 7380 7420 7503 7632 7680 7686 7808 7872 8064 8480 8540 8610 8692 8784 8904 8960 9184 9540 9699 9760 9840 10004 10080 10176 10248 10332 10496 10752 10865 10980 11130 11480 11520 11712 11808 11872 12505 12720 12810 12915 12932 13038 13120 13356 13440 13568 13664 13776 14640 14760 14840 15006 15211 15264 15372 15616 15744 16128 16165 16695 16960 17080 17220 17384 17507 17568 17808 17920 18368 19080 19215 19398 19520 19557 19680 20008 20160 20352 20496 20664 20992 21730 21960 22260 22509 22631 22960 23040 23424 23616 23744 25010 25440 25620 25830 25864 26076 26240 26712 26880 27136 27328 27552 29097 29280 29520 29680 30012 30422 30528 30744 31232 31488 32256 32330 32595 33390 33920 34160 34440 34768 35014 35136 35616 36736 37515 38160 38430 38796 39040 39114 39360 40016 40320 40704 40992 41328 43460 43920 44520 45018 45262 45633 45920 46848 47232 47488 48495 50020 50880 51240 51660 51728 52152 52480 52521 53424 53760 54656 55104 58194 58560 59040 59360 60024 60844 61056 61488 62976 64660 65190 66780 67840 67893 68320 68880 69536 70028 70272 71232 73472 75030 76055 76320 76860 77592 78080 78228 78720 80032 80640 81408 81984 82656 86920 87535 87840 89040 90036 90524 91266 91840 93696 94464 94976 96990 97785 100040 101760 102480 103320 103456 104304 104960 105042 106848 109312 110208 112545 113155 116388 117120 118080 118720 120048 121688 122112 122976 129320 130380 132553 133560 135680 135786 136640 136899 137760 139072 140056 140544 142464 145485 146944 150060 152110 152640 153720 155184 156160 156456 157440 157563 160064 161280 163968 165312 173840 175070 175680 178080 180072 181048 182532 183680 188928 189952 193980 195570 200080 203520 203679 204960 206640 206912 208608 210084 213696 218624 220416 225090 226310 228165 232776 234240 236160 237440 240096 243376 244224 245952 258640 260760 262605 265106 267120 271572 273280 273798 275520 278144 280112 281088 284928 290970 300120 304220 305280 307440 310368 312912 314880 315126 320128 327936 330624 339465 347680 350140 351360 356160 360144 362096 365064 367360 387960 391140 397659 400160 407040 407358 409920 413280 413824 417216 420168 427392 440832 450180 452620 456330 465552 468480 472320 474880 480192 486752 491904 517280 521520 525210 530212 534240 543144 546560 547596 551040 556288 560224 569856 581940 600240 608440 610560 614880 620736 625824 630252 640256 655872 661248 662765 678930 684495 695360 700280 702720 712320 720288 724192 730128 734720 775920 782280 787815 795318 800320 814716 819840 826560 827648 834432 840336 854784 900360 905240 912660 927871 931104 944640 949760 960384 973504 983808 1018395 1034560 1043040 1050420 1060424 1068480 1086288 1093120 1095192 1102080 1112576 1120448 1163880 1192977 1200480 1216880 1221120 1229760 1241472 1251648 1260504 1280512 1322496 1325530 1357860 1368990 1390720 1400560 1405440 1424640 1440576 1448384 1460256 1551840 1564560 1575630 1590636 1600640 1629432 1639680 1653120 1655296 1668864 1680672 1709568 1800720 1810480 1825320 1855742 1862208 1920768 1947008 1967616 1988295 2036790 2069120 2086080 2100840 2120848 2136960 2172576 2190384 2204160 2240896 2327760 2385954 2400960 2433760 2459520 2482944 2503296 2521008 2651060 2715720 2737980 2781440 2783613 2801120 2849280 2881152 2896768 2920512 3103680 3129120 3151260 3181272 3201280 3258864 3279360 3306240 3337728 3361344 3601440 3620960 3650640 3711484 3724416 3841536 3894016 3976590 4073580 4138240 4172160 4201680 4241696 4273920 4345152 4380768 4481792 4639355 4655520 4771908 4801920 4867520 4919040 4965888 5006592 5042016 5302120 5431440 5475960 5562880 5567226 5602240 5762304 5793536 5841024 5964885 6207360 6258240 6302520 6362544 6402560 6517728 6612480 6722688 7202880 7241920 7301280 7422968 7448832 7788032 7953180 8147160 8276480 8344320 8350839 8403360 8483392 8547840 8690304 8761536 8963584 9278710 9311040 9543816 9603840 9735040 9838080 10013184 10084032 10604240 10862880 10951920 11134452 11204480 11524608 11587072 11682048 11929770 12414720 12516480 12605040 12725088 13035456 13445376 13918065 14405760 14483840 14602560 14845936 14897664 15906360 16294320 16688640 16701678 16806720 16966784 17380608 17523072 18557420 18622080 19087632 19207680 19470080 20168064 21208480 21725760 21903840 22268904 22408960 23364096 23859540 24829440 25032960 25210080 25450176 26070912 26890752 27836130 28811520 28967680 29205120 29691872 31812720 32588640 33403356 33613440 33933568 34761216 35046144 37114840 37244160 38175264 38940160 40336128 41754195 42416960 43451520 43807680 44537808 44817920 47719080 50065920 50420160 50900352 52141824 55672260 57623040 57935360 58410240 59383744 63625440 65177280 66806712 67226880 67867136 70092288 74229680 74488320 76350528 80672256 83508390 84833920 86903040 87615360 89075616 95438160 100840320 101800704 104283648 111344520 116820480 118767488 127250880 130354560 133613424 134453760 148459360 152701056 167016780 169667840 173806080 175230720 178151232 190876320 201680640 203601408 222689040 237534976 254501760 260709120 267226848 296918720 305402112 334033560 339335680 350461440 356302464 381752640 403361280 445378080 475069952 509003520 521418240 534453696 593837440 610804224 668067120 712604928 763505280 890756160 1018007040 1068907392 1187674880 1336134240 1425209856 1527010560 1781512320 2137814784 2375349760 2672268480 3054021120 3563024640 4275629568 5344536960 7126049280 10689073920 21378147840
- Sum of all divisors σ(n): 89762504832
- Sum of proper divisors (its aliquot sum) s(n): 68384356992
- 21378147840 is an abundant number, because the sum of its proper divisors (68384356992) is greater than itself. Its abundance is 47006209152
Bases of 21378147840
- Binary: 100111110100011110010100110000000002
- Hexadecimal: 0x4FA3CA600
- Base-36: 9TJZWG0
Squares and roots of 21378147840
- 21378147840 squared (213781478402) is 457025205068896665600
- 21378147840 cubed (213781478403) is 9770352400569190302879842304000
-
The
square root of 21378147840 is 146212.6801614689 -
The
cube root of 21378147840 is 2775.3857793347
Scales and comparisons
How big is 21378147840?- 21,378,147,840 seconds is equal to 679 years, 39 weeks, 3 days, 6 hours, 24 minutes.
-
To count from 1 to 21,378,147,840 would take you about one thousand, three hundred fifty-nine 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 21378147840 cubic inches would be around 231.3 feet tall.
Recreational maths with 21378147840
- 21378147840 backwards is 04874187312
- 21378147840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21378147840's digits is 45
- More coming soon!
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The information we have on file for 21378147840 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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