21138733440
21,138,733,440 is an even composite number composed of seven prime numbers multiplied together.
21138733440 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 21138733440:
27 × 32 × 5 × 11 × 37 × 71 × 127
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 37 × 71 × 127)See below for interesting mathematical facts about the number 21138733440 from the Numbermatics database.
Names of 21138733440
- Cardinal: 21138733440 can be written as Twenty-one billion, one hundred thirty-eight million, seven hundred thirty-three thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.113873344 × 1010
Factors of 21138733440
Divisors of 21138733440
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 37 40 44 45 48 55 60 64 66 71 72 74 80 88 90 96 99 110 111 120 127 128 132 142 144 148 160 165 176 180 185 192 198 213 220 222 240 254 264 284 288 296 320 330 333 352 355 360 370 381 384 396 407 426 440 444 480 495 508 528 555 568 576 592 635 639 640 660 666 704 710 720 740 762 781 792 814 852 880 888 960 990 1016 1056 1065 1110 1136 1143 1152 1184 1221 1270 1278 1320 1332 1397 1408 1420 1440 1480 1524 1562 1584 1628 1665 1704 1760 1776 1905 1920 1980 2032 2035 2112 2130 2220 2272 2286 2343 2368 2442 2540 2556 2627 2640 2664 2794 2840 2880 2960 3048 3124 3168 3195 3256 3330 3408 3520 3552 3663 3810 3905 3960 4064 4070 4191 4224 4260 4440 4544 4572 4686 4699 4736 4884 5080 5112 5254 5280 5328 5588 5680 5715 5760 5920 6096 6105 6248 6336 6390 6512 6660 6816 6985 7029 7040 7104 7326 7620 7810 7881 7920 8128 8140 8382 8520 8880 9017 9088 9144 9372 9398 9768 10160 10224 10508 10560 10656 11176 11360 11430 11715 11840 12192 12210 12496 12573 12672 12780 13024 13135 13320 13632 13970 14058 14097 14208 14652 15240 15620 15762 15840 16256 16280 16764 17040 17760 18034 18288 18315 18744 18796 19536 20320 20448 20955 21016 21120 21312 22352 22720 22860 23430 23495 23643 23680 24384 24420 24992 25146 25560 26048 26270 26640 27051 27264 27940 28116 28194 28897 29304 30480 31240 31524 31680 32560 33528 34080 35145 35520 36068 36576 36630 37488 37592 39072 39405 40640 40896 41910 42032 42291 42624 44704 45085 45440 45720 46860 46990 47286 48768 48840 49984 50292 51120 51689 52096 52540 53280 54102 55880 56232 56388 57794 58608 60960 62480 62865 63048 63360 65120 67056 68160 70290 70485 71040 72136 73152 73260 74976 75184 78144 78810 81153 81280 81792 83820 84064 84582 86691 89408 90170 91440 93720 93980 94572 97680 99187 99968 100584 102240 103378 105080 106560 108204 111760 112464 112776 115588 117216 118215 121920 124960 125730 126096 130240 134112 135255 136320 140580 140970 144272 144485 146304 146520 149952 150368 155067 156288 157620 162306 167640 168128 169164 173382 178816 180340 182880 187440 187960 189144 195360 198374 201168 204480 206756 210160 211455 213120 216408 223520 224928 225552 231176 234432 236430 243840 249920 251460 252192 258445 260073 260480 268224 270510 281160 281940 288544 288970 293040 297561 299904 300736 310134 315240 324612 333629 335280 336256 338328 346764 360680 365760 374880 375920 378288 390720 396748 402336 405765 408960 413512 420320 422910 432816 433455 447040 449856 451104 462352 465201 468864 472860 495935 499840 502920 504384 516890 520146 536448 541020 562320 563880 577088 577940 586080 595122 601472 620268 630480 649224 667258 670560 676656 693528 721360 731520 749760 751840 756576 775335 781440 793496 804672 811530 827024 840640 845820 865632 866910 892683 894080 899712 902208 924704 930402 945720 991870 1000887 1005840 1008768 1033780 1040292 1082040 1124640 1127760 1154176 1155880 1172160 1190244 1240536 1260960 1298448 1300365 1334516 1341120 1353312 1387056 1442720 1487805 1499520 1503680 1513152 1550670 1586992 1609344 1623060 1654048 1668145 1681280 1691640 1731264 1733820 1785366 1804416 1849408 1860804 1891440 1983740 2001774 2011680 2067560 2080584 2164080 2249280 2255520 2311760 2326005 2344320 2380488 2481072 2521920 2596896 2600730 2669032 2682240 2706624 2774112 2885440 2975610 3002661 3007360 3026304 3101340 3173984 3246120 3308096 3336290 3383280 3462528 3467640 3570732 3669919 3698816 3721608 3782880 3967480 4003548 4023360 4135120 4161168 4328160 4463415 4498560 4511040 4623520 4652010 4760976 4962144 5004435 5043840 5193792 5201460 5338064 5413248 5548224 5770880 5951220 6005322 6202680 6347968 6492240 6616192 6672580 6766560 6935280 7141464 7339838 7443216 7565760 7934960 8007096 8046720 8270240 8322336 8656320 8926830 9022080 9247040 9304020 9521952 9924288 10008870 10387584 10402920 10676128 11009757 11096448 11902440 12010644 12405360 12695936 12984480 13345160 13533120 13870560 14282928 14679676 14886432 15013305 15131520 15869920 16014192 16540480 16644672 17312640 17853660 18349595 18494080 18608040 19043904 19848576 20017740 20805840 21352256 22019514 23804880 24021288 24810720 25968960 26690320 27066240 27741120 28565856 29359352 29772864 30026610 31739840 32028384 33029271 33080960 33289344 35707320 36699190 37216080 38087808 40035480 41611680 42704512 44039028 47609760 48042576 49621440 51937920 53380640 55048785 55482240 57131712 58718704 59545728 60053220 63479680 64056768 66058542 71414640 73398380 74432160 80070960 83223360 88078056 95219520 96085152 99242880 106761280 110097570 114263424 117437408 120106440 128113536 132117084 142829280 146796760 148864320 160141920 165146355 166446720 176156112 190439040 192170304 213522560 220195140 234874816 240212880 264234168 285658560 293593520 297728640 320283840 330292710 352312224 384340608 440390280 469749632 480425760 528468336 571317120 587187040 640567680 660585420 704624448 880780560 960851520 1056936672 1174374080 1321170840 1409248896 1761561120 1921703040 2113873344 2348748160 2642341680 3523122240 4227746688 5284683360 7046244480 10569366720 21138733440
- Sum of all divisors σ(n): 83587645440
- Sum of proper divisors (its aliquot sum) s(n): 62448912000
- 21138733440 is an abundant number, because the sum of its proper divisors (62448912000) is greater than itself. Its abundance is 41310178560
Bases of 21138733440
- Binary: 100111010111111011101111001100000002
- Hexadecimal: 0x4EBF77980
- Base-36: 9PLGF40
Squares and roots of 21138733440
- 21138733440 squared (211387334402) is 446846051447374233600
- 21138733440 cubed (211387334403) is 9445759570262570111994691584000
-
The
square root of 21138733440 is 145391.6553313841 -
The
cube root of 21138733440 is 2764.9863232039
Scales and comparisons
How big is 21138733440?- 21,138,733,440 seconds is equal to 672 years, 7 weeks, 4 days, 6 hours, 24 minutes.
-
To count from 1 to 21,138,733,440 would take you about one thousand, three hundred forty-four 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 21138733440 cubic inches would be around 230.4 feet tall.
Recreational maths with 21138733440
- 21138733440 backwards is 04433783112
- 21138733440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21138733440's digits is 36
- More coming soon!
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The information we have on file for 21138733440 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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