21387381120
21,387,381,120 is an even composite number composed of seven prime numbers multiplied together.
What does the number 21387381120 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 768 divisors.
21387381120 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 21387381120:
27 × 32 × 5 × 7 × 31 × 71 × 241
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 31 × 71 × 241)See below for interesting mathematical facts about the number 21387381120 from the Numbermatics database.
Names of 21387381120
- Cardinal: 21387381120 can be written as Twenty-one billion, three hundred eighty-seven million, three hundred eighty-one thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.138738112 × 1010
Factors of 21387381120
Divisors of 21387381120
- 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 28 30 31 32 35 36 40 42 45 48 56 60 62 63 64 70 71 72 80 84 90 93 96 105 112 120 124 126 128 140 142 144 155 160 168 180 186 192 210 213 217 224 240 241 248 252 279 280 284 288 310 315 320 336 355 360 372 384 420 426 434 448 465 480 482 496 497 504 558 560 568 576 620 630 639 640 651 672 710 720 723 744 840 852 868 896 930 960 964 992 994 1008 1065 1085 1116 1120 1136 1152 1205 1240 1260 1278 1302 1344 1395 1420 1440 1446 1488 1491 1680 1687 1704 1736 1860 1920 1928 1953 1984 1988 2016 2130 2169 2170 2201 2232 2240 2272 2410 2480 2485 2520 2556 2604 2688 2790 2840 2880 2892 2976 2982 3195 3255 3360 3374 3408 3472 3615 3720 3856 3906 3968 3976 4032 4260 4338 4340 4402 4464 4473 4480 4544 4820 4960 4970 5040 5061 5112 5208 5580 5680 5760 5784 5952 5964 6390 6510 6603 6720 6748 6816 6944 7230 7440 7455 7471 7712 7812 7952 8064 8435 8520 8676 8680 8804 8928 8946 9088 9640 9765 9920 9940 10080 10122 10224 10416 10845 11005 11160 11360 11568 11904 11928 12780 13020 13206 13440 13496 13632 13888 14460 14880 14910 14942 15183 15407 15424 15624 15904 16870 17040 17111 17352 17360 17608 17856 17892 19280 19530 19809 19840 19880 20160 20244 20448 20832 21690 22010 22320 22365 22413 22720 23136 23856 25305 25560 26040 26412 26992 27264 27776 28920 29760 29820 29884 30366 30814 30848 31248 31808 33015 33740 34080 34222 34704 34720 35216 35712 35784 37355 38560 39060 39618 39760 40320 40488 40896 41664 43380 44020 44640 44730 44826 45440 46221 46272 47712 50610 51120 51333 52080 52297 52824 53984 57840 59520 59640 59768 60732 61628 62496 63616 66030 67239 67480 68160 68444 69408 69440 70432 71568 74710 75915 77035 77120 78120 79236 79520 80976 81792 83328 85555 86760 88040 89280 89460 89652 92442 92544 95424 99045 101220 102240 102666 104160 104594 105648 107968 112065 115680 119280 119536 119777 121464 123256 124992 132060 134478 134960 136320 136888 138663 138816 138880 140864 143136 149420 151830 153999 154070 154240 156240 156891 158472 159040 161952 171110 173520 176080 178560 178920 179304 184884 190848 198090 202440 204480 205332 208320 209188 211296 215936 224130 231105 231360 238560 239072 239554 242928 246512 249984 256665 261485 264120 268956 269920 273776 277326 277632 281728 286272 298840 303660 307998 308140 312480 313782 316944 318080 323904 336195 342220 347040 352160 357840 358608 359331 369768 396180 404880 408960 410664 416640 418376 422592 448260 462210 462720 470673 477120 478144 479108 485856 493024 513330 522970 528240 530441 537912 539840 547552 554652 572544 597680 598885 607320 615996 616280 624960 627564 633888 647808 672390 684440 693315 694080 704320 715680 717216 718662 739536 769995 784455 792360 809760 821328 836752 845184 896520 924420 941346 954240 956288 958216 971712 986048 1026660 1045940 1056480 1060882 1075824 1077993 1079680 1095104 1109304 1195360 1197770 1214640 1231992 1232560 1249920 1255128 1267776 1344780 1368880 1386630 1388160 1408640 1431360 1434432 1437324 1479072 1539990 1568910 1584720 1591323 1619520 1642656 1673504 1793040 1796655 1848840 1882692 1916432 1943424 1972096 2053320 2091880 2112960 2121764 2151648 2155986 2190208 2218608 2353365 2390720 2395540 2429280 2463984 2465120 2510256 2535552 2652205 2689560 2737760 2773260 2862720 2868864 2874648 2958144 3079980 3137820 3169440 3182646 3239040 3285312 3347008 3586080 3593310 3697680 3713087 3765384 3832864 4106640 4183760 4225920 4243528 4303296 4311972 4437216 4706730 4773969 4781440 4791080 4858560 4927968 4930240 5020512 5304410 5379120 5389965 5475520 5546520 5749296 5916288 6159960 6275640 6338880 6365292 6570624 6694016 7172160 7186620 7395360 7426174 7530768 7665728 7956615 8213280 8367520 8487056 8606592 8623944 8874432 9413460 9547938 9582160 9717120 9855936 9860480 10041024 10608820 10758240 10779930 10951040 11093040 11139261 11498592 12319920 12551280 12677760 12730584 14344320 14373240 14790720 14852348 15061536 15331456 15913230 16426560 16735040 16974112 17247888 17748864 18565435 18826920 19095876 19164320 19711872 20082048 21217640 21516480 21559860 22186080 22278522 22997184 23869845 24639840 25102560 25461168 28746480 29581440 29704696 30123072 31826460 32853120 33417783 33470080 33948224 34495776 37130870 37653840 38191752 38328640 42435280 43032960 43119720 44372160 44557044 45994368 47739690 49279680 50205120 50922336 55696305 57492960 59409392 60246144 63652920 66835566 67896448 68991552 74261740 75307680 76383504 76657280 84870560 86239440 88744320 89114088 95479380 98559360 100410240 101844672 111392610 114985920 118818784 127305840 133671132 137983104 148523480 150615360 152767008 167088915 169741120 172478880 178228176 190958760 203689344 222785220 229971840 237637568 254611680 267342264 297046960 301230720 305534016 334177830 339482240 344957760 356456352 381917520 445570440 475275136 509223360 534684528 594093920 611068032 668355660 689915520 712912704 763835040 891140880 1018446720 1069369056 1188187840 1336711320 1425825408 1527670080 1782281760 2138738112 2376375680 2673422640 3055340160 3564563520 4277476224 5346845280 7129127040 10693690560 21387381120
- Sum of all divisors σ(n): 88720220160
- Sum of proper divisors (its aliquot sum) s(n): 67332839040
- 21387381120 is an abundant number, because the sum of its proper divisors (67332839040) is greater than itself. Its abundance is 45945457920
Bases of 21387381120
- Binary: 100111110101100100110001001100000002
- Hexadecimal: 0x4FAC98980
- Base-36: 9TPHSW0
Squares and roots of 21387381120
- 21387381120 squared (213873811202) is 457420071172132454400
- 21387381120 cubed (213873811203) is 9783017394095921925373820928000
-
The
square root of 21387381120 is 146244.2515793355 -
The
cube root of 21387381120 is 2775.7852873709
Scales and comparisons
How big is 21387381120?- 21,387,381,120 seconds is equal to 680 years, 2 weeks, 5 days, 3 hours, 12 minutes.
-
To count from 1 to 21,387,381,120 would take you about one thousand, three hundred sixty 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 21387381120 cubic inches would be around 231.3 feet tall.
Recreational maths with 21387381120
- 21387381120 backwards is 02118378312
- 21387381120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21387381120's digits is 36
- More coming soon!
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The information we have on file for 21387381120 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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