21389411120
21,389,411,120 is an even composite number composed of seven prime numbers multiplied together.
21389411120 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21389411120:
24 × 5 × 7 × 11 × 19 × 127 × 1439
(2 × 2 × 2 × 2 × 5 × 7 × 11 × 19 × 127 × 1439)See below for interesting mathematical facts about the number 21389411120 from the Numbermatics database.
Names of 21389411120
- Cardinal: 21389411120 can be written as Twenty-one billion, three hundred eighty-nine million, four hundred eleven thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.138941112 × 1010
Factors of 21389411120
Divisors of 21389411120
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 19 20 22 28 35 38 40 44 55 56 70 76 77 80 88 95 110 112 127 133 140 152 154 176 190 209 220 254 266 280 304 308 380 385 418 440 508 532 560 616 635 665 760 770 836 880 889 1016 1045 1064 1232 1270 1330 1397 1439 1463 1520 1540 1672 1778 2032 2090 2128 2413 2540 2660 2794 2878 2926 3080 3344 3556 4180 4445 4826 5080 5320 5588 5756 5852 6160 6985 7112 7195 7315 8360 8890 9652 9779 10073 10160 10640 11176 11512 11704 12065 13970 14224 14390 14630 15829 16720 16891 17780 19304 19558 20146 22352 23024 23408 24130 26543 27341 27940 28780 29260 31658 33782 35560 38608 39116 40292 48260 48895 50365 53086 54682 55880 57560 58520 63316 67564 71120 78232 79145 80584 84455 96520 97790 100730 106172 109364 110803 111760 115120 117040 126632 132715 135128 136705 156464 158290 161168 168910 182753 185801 191387 193040 195580 201460 212344 218728 221606 253264 265430 270256 273410 300751 316580 337820 365506 371602 382774 391160 402920 424688 437456 443212 530860 546820 554015 601502 633160 675640 731012 743204 765548 782320 805840 886424 913765 929005 956935 1061720 1093640 1108030 1203004 1266320 1279271 1351280 1462024 1486408 1503755 1531096 1772848 1827530 1858010 1913870 2010283 2105257 2123440 2187280 2216060 2406008 2558542 2924048 2972816 3007510 3062192 3472307 3655060 3716020 3827740 4020566 4210514 4432120 4812016 5117084 6015020 6396355 6944614 7310120 7432040 7655480 8041132 8421028 8864240 10051415 10234168 10526285 12030040 12792710 13889228 14071981 14620240 14864080 15310960 16082264 16842056 17361535 20102830 20468336 21052570 24060080 24306149 25585420 27778456 28143962 32164528 33684112 34723070 38195377 40205660 42105140 48612298 51170840 55556912 56287924 69446140 70359905 76390754 80411320 84210280 97224596 102341680 112575848 121530745 138892280 140719810 152781508 160822640 168420560 190976885 194449192 225151696 243061490 267367639 277784560 281439620 305563016 381953770 388898384 486122980 534735278 562879240 611126032 763907540 972245960 1069470556 1125758480 1336838195 1527815080 1944491920 2138941112 2673676390 3055630160 4277882224 5347352780 10694705560 21389411120
- Sum of all divisors σ(n): 65824358400
- Sum of proper divisors (its aliquot sum) s(n): 44434947280
- 21389411120 is an abundant number, because the sum of its proper divisors (44434947280) is greater than itself. Its abundance is 23045536160
Bases of 21389411120
- Binary: 100111110101110100010000011001100002
- Hexadecimal: 0x4FAE88330
- Base-36: 9TQPB8W
Squares and roots of 21389411120
- 21389411120 squared (213894111202) is 457506908060379654400
- 21389411120 cubed (213894111203) is 9785803346743502211245116928000
-
The
square root of 21389411120 is 146251.1918583913 -
The
cube root of 21389411120 is 2775.8731065363
Scales and comparisons
How big is 21389411120?- 21,389,411,120 seconds is equal to 680 years, 6 weeks, 15 hours, 5 minutes, 20 seconds.
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To count from 1 to 21,389,411,120 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 21389411120 cubic inches would be around 231.3 feet tall.
Recreational maths with 21389411120
- 21389411120 backwards is 02111498312
- The number of decimal digits it has is: 11
- The sum of 21389411120's digits is 32
- More coming soon!
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