21351738240
21,351,738,240 is an even composite number composed of six prime numbers multiplied together.
21351738240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 21351738240:
27 × 33 × 5 × 72 × 151 × 167
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 × 151 × 167)See below for interesting mathematical facts about the number 21351738240 from the Numbermatics database.
Names of 21351738240
- Cardinal: 21351738240 can be written as Twenty-one billion, three hundred fifty-one million, seven hundred thirty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.135173824 × 1010
Factors of 21351738240
Divisors of 21351738240
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 60 63 64 70 72 80 84 90 96 98 105 108 112 120 126 128 135 140 144 147 151 160 167 168 180 189 192 196 210 216 224 240 245 252 270 280 288 294 302 315 320 334 336 360 378 384 392 420 432 441 448 453 480 490 501 504 540 560 576 588 604 630 640 668 672 720 735 755 756 784 835 840 864 882 896 906 945 960 980 1002 1008 1057 1080 1120 1152 1169 1176 1208 1260 1323 1336 1344 1359 1440 1470 1503 1510 1512 1568 1670 1680 1728 1764 1812 1890 1920 1960 2004 2016 2114 2160 2205 2240 2265 2338 2352 2416 2505 2520 2646 2672 2688 2718 2880 2940 3006 3020 3024 3136 3171 3340 3360 3456 3507 3528 3624 3780 3920 4008 4032 4077 4228 4320 4410 4480 4509 4530 4676 4704 4832 5010 5040 5285 5292 5344 5436 5760 5845 5880 6012 6040 6048 6272 6342 6615 6680 6720 6795 7014 7056 7248 7399 7515 7560 7840 8016 8064 8154 8183 8456 8640 8820 9018 9060 9352 9408 9513 9664 10020 10080 10521 10570 10584 10688 10872 11690 11760 12024 12080 12096 12684 13230 13360 13440 13590 14028 14112 14496 14798 15030 15120 15680 15855 16032 16308 16366 16912 17280 17535 17640 18036 18120 18704 18816 19026 19328 20040 20160 20385 21042 21140 21168 21376 21744 22197 22545 23380 23520 24048 24160 24192 24549 25217 25368 26460 26720 27180 28056 28224 28539 28992 29596 30060 30240 31360 31563 31710 32064 32616 32732 33824 35070 35280 36072 36240 36995 37408 38052 40080 40320 40770 40915 42084 42280 42336 43488 44394 45090 46760 47040 47565 48096 48320 49098 50434 50736 52605 52920 53440 54360 56112 56448 57078 57984 59192 60120 60480 63126 63420 64128 65232 65464 66591 67648 70140 70560 72144 72480 73647 73990 74816 75651 76104 80160 81540 81830 84168 84560 84672 86976 88788 90180 93520 94080 95130 96192 96640 98196 100868 101472 105210 105840 106880 108720 110985 112224 114156 118384 120240 120960 122745 126085 126252 126840 130464 130928 133182 135296 140280 141120 142695 144288 144960 147294 147980 149632 151302 152208 157815 160320 163080 163660 168336 169120 169344 173952 176519 177576 180360 187040 190260 192384 196392 199773 201736 202944 210420 211680 217440 220941 221970 224448 226953 228312 236768 240480 245490 252170 252504 253680 260928 261856 266364 280560 282240 285390 288576 289920 294588 295960 302604 304416 315630 320640 326160 327320 332955 336672 338240 353038 355152 360720 368235 374080 378255 380520 392784 399546 403472 405888 420840 423360 434880 441882 443940 448896 453906 456624 473536 480960 490980 504340 505008 507360 521856 523712 529557 532728 561120 570780 577152 589176 591920 605208 608832 631260 652320 654640 665910 673344 676480 680859 706076 710304 721440 736470 748160 756510 761040 785568 799092 806944 841680 846720 869760 882595 883764 887880 907812 913248 947072 961920 981960 998865 1008680 1010016 1014720 1047424 1059114 1065456 1104705 1122240 1134765 1141560 1178352 1183840 1210416 1217664 1235633 1262520 1304640 1309280 1331820 1346688 1361718 1412152 1420608 1442880 1472940 1513020 1522080 1571136 1588671 1598184 1613888 1683360 1765190 1767528 1775760 1815624 1826496 1963920 1997730 2017360 2020032 2029440 2118228 2130912 2209410 2244480 2269530 2283120 2356704 2367680 2420832 2471266 2525040 2609280 2618560 2647785 2663640 2723436 2824304 2841216 2885760 2945880 3026040 3044160 3142272 3177342 3196368 3227776 3366720 3404295 3530380 3535056 3551520 3631248 3652992 3706899 3927840 3995460 4034720 4040064 4236456 4261824 4418820 4539060 4566240 4713408 4735360 4766013 4841664 4942532 5050080 5237120 5295570 5327280 5446872 5648608 5891760 6052080 6088320 6178165 6354684 6392736 6733440 6808590 7060760 7070112 7103040 7262496 7413798 7855680 7943355 7990920 8069440 8472912 8523648 8837640 9078120 9132480 9426816 9532026 9683328 9885064 10100160 10591140 10654560 10893744 11120697 11297216 11783520 12104160 12356330 12709368 12785472 13617180 14121520 14140224 14206080 14524992 14827596 15711360 15886710 15981840 16138880 16945824 17675280 18156240 18264960 18534495 19064052 19770128 20200320 21182280 21309120 21787488 22241394 22594432 23567040 23830065 24208320 24712660 25418736 25570944 27234360 28243040 28280448 29049984 29655192 31773420 31963680 33362091 33891648 35350560 36312480 37068990 38128104 39540256 42364560 42618240 43574976 44482788 47134080 47660130 48416640 49425320 50837472 54468720 55603485 56486080 59310384 63546840 63927360 66724182 67783296 70701120 72624960 74137980 76256208 79080512 84729120 87149952 88965576 95320260 98850640 101674944 108937440 111206970 112972160 118620768 127093680 127854720 133448364 141402240 145249920 148275960 152512416 158161024 166810455 169458240 177931152 190640520 197701280 203349888 217874880 222413940 237241536 254187360 266896728 296551920 305024832 333620910 338916480 355862304 381281040 395402560 435749760 444827880 474483072 508374720 533793456 593103840 610049664 667241820 711724608 762562080 790805120 889655760 1016749440 1067586912 1186207680 1334483640 1423449216 1525124160 1779311520 2135173824 2372415360 2668967280 3050248320 3558623040 4270347648 5337934560 7117246080 10675869120 21351738240
- Sum of all divisors σ(n): 89079782400
- Sum of proper divisors (its aliquot sum) s(n): 67728044160
- 21351738240 is an abundant number, because the sum of its proper divisors (67728044160) is greater than itself. Its abundance is 46376305920
Bases of 21351738240
- Binary: 100111110001010100110101011100000002
- Hexadecimal: 0x4F8A9AB80
- Base-36: 9T49UO0
Squares and roots of 21351738240
- 21351738240 squared (213517382402) is 455896725869478297600
- 21351738240 cubed (213517382403) is 9734187555238137015716020224000
-
The
square root of 21351738240 is 146122.3399757887 -
The
cube root of 21351738240 is 2774.2424462435
Scales and comparisons
How big is 21351738240?- 21,351,738,240 seconds is equal to 678 years, 47 weeks, 5 days, 14 hours, 24 minutes.
-
To count from 1 to 21,351,738,240 would take you about one thousand, three hundred fifty-seven 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 21351738240 cubic inches would be around 231.2 feet tall.
Recreational maths with 21351738240
- 21351738240 backwards is 04283715312
- 21351738240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21351738240's digits is 36
- More coming soon!
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The information we have on file for 21351738240 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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