21450388960
21,450,388,960 is an even composite number composed of seven prime numbers multiplied together.
21450388960 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of eight hundred sixty-four divisors.
Prime factorization of 21450388960:
25 × 5 × 72 × 11 × 13 × 192 × 53
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 11 × 13 × 19 × 19 × 53)See below for interesting mathematical facts about the number 21450388960 from the Numbermatics database.
Names of 21450388960
- Cardinal: 21450388960 can be written as Twenty-one billion, four hundred fifty million, three hundred eighty-eight thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.145038896 × 1010
Factors of 21450388960
Divisors of 21450388960
- Number of divisors d(n): 864
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Complete list of divisors:
1 2 4 5 7 8 10 11 13 14 16 19 20 22 26 28 32 35 38 40 44 49 52 53 55 56 65 70 76 77 80 88 91 95 98 104 106 110 112 130 133 140 143 152 154 160 176 182 190 196 208 209 212 220 224 245 247 260 265 266 280 286 304 308 352 361 364 371 380 385 392 416 418 424 440 455 490 494 520 530 532 539 560 572 583 608 616 637 665 689 715 722 728 742 760 770 784 836 848 880 910 931 980 988 1001 1007 1040 1045 1060 1064 1078 1120 1144 1166 1232 1235 1274 1330 1378 1430 1444 1456 1463 1484 1520 1540 1568 1672 1696 1729 1760 1805 1820 1855 1862 1960 1976 2002 2014 2080 2090 2120 2128 2156 2288 2332 2464 2470 2527 2548 2597 2660 2695 2717 2756 2860 2888 2912 2915 2926 2968 3040 3080 3185 3344 3445 3458 3610 3640 3710 3724 3920 3952 3971 4004 4028 4081 4180 4240 4256 4312 4576 4655 4664 4693 4823 4940 5005 5035 5054 5096 5194 5320 5390 5434 5512 5720 5776 5830 5852 5936 6160 6370 6688 6890 6916 7007 7049 7220 7280 7315 7420 7448 7579 7840 7904 7942 8008 8056 8162 8360 8480 8624 8645 9310 9328 9386 9646 9880 10010 10070 10108 10192 10241 10388 10640 10780 10868 11024 11077 11440 11552 11660 11704 11872 12103 12320 12635 12740 12985 13091 13585 13780 13832 14014 14098 14440 14560 14630 14840 14896 15158 15884 16016 16112 16324 16720 17248 17290 17689 18620 18656 18772 19019 19133 19292 19760 19855 20020 20140 20216 20384 20405 20482 20776 21280 21560 21736 22048 22154 22880 23320 23408 23465 24115 24206 25270 25480 25970 26182 27170 27560 27664 27797 28028 28196 28567 28880 29260 29680 29792 30316 31768 32032 32224 32648 32851 33440 33761 34580 35035 35245 35378 37240 37544 37895 38038 38266 38584 39520 39710 40040 40280 40432 40810 40964 41552 43120 43472 44308 46640 46816 46930 48230 48412 49343 50540 50960 51205 51623 51940 52364 53053 54340 55120 55328 55385 55594 56056 56392 57134 57760 58520 59360 60515 60632 63536 65296 65455 65702 67522 69160 70070 70490 70756 74480 75088 75790 76076 76532 77168 77539 79420 80080 80560 80864 81620 81928 83104 86240 86944 88445 88616 91637 93280 93860 95095 95665 96460 96824 98686 101080 101920 102410 103246 103880 104728 106106 108680 110240 110770 111188 112112 112784 114268 117040 121030 121264 127072 130592 130910 131404 133133 133931 135044 138320 138985 140140 140980 141512 142835 144001 148960 150176 151580 152152 153064 154336 155078 158840 160160 161120 163240 163856 164255 168805 176890 177232 183274 187720 190190 191330 192920 193648 194579 197372 202160 204820 206492 207760 209456 210463 212212 217360 221540 222376 224224 225568 228536 229957 234080 242060 242528 246715 248729 258115 261820 262808 265265 266266 267862 270088 276640 277970 280280 281960 283024 285670 288002 303160 304304 306128 310156 317680 326480 327712 328510 337610 353780 354464 361361 366548 371371 375440 380380 382660 385840 387296 387695 389158 394744 404320 409640 412984 415520 418912 420926 424424 434720 443080 444752 457072 458185 459914 484120 493430 497458 516230 523640 525616 530530 532532 535724 540176 542773 555940 560560 563920 566048 571340 576004 606320 608608 612256 620312 635360 641459 652960 657020 665665 669655 675220 707560 720005 722722 733096 742742 750880 760760 765320 771680 775390 778316 789488 819280 825968 841852 848848 886160 889504 914144 916370 919828 937517 968240 972895 986860 994916 1008007 1032460 1047280 1051232 1052315 1061060 1065064 1071448 1080352 1085546 1111880 1121120 1127840 1142680 1149785 1152008 1212640 1240624 1243645 1282918 1314040 1331330 1339310 1350440 1415120 1440010 1445444 1466192 1473241 1485484 1521520 1530640 1550780 1556632 1578976 1638560 1651936 1683704 1697696 1741103 1772320 1806805 1832740 1839656 1856855 1875034 1936480 1945790 1973720 1989832 2016014 2064920 2094560 2104630 2122120 2130128 2142896 2171092 2223760 2285360 2299570 2304016 2481248 2487290 2529527 2565836 2628080 2662660 2678620 2700880 2713865 2736019 2830240 2880020 2890888 2932384 2946482 2970968 3043040 3061280 3101560 3113264 3207295 3367408 3482206 3613610 3665480 3679312 3713710 3750068 3891580 3947440 3979664 4032028 4129840 4209260 4244240 4260256 4285792 4342184 4447520 4570720 4599140 4608032 4687585 4974580 5040035 5059054 5131672 5256160 5325320 5357240 5401760 5427730 5472038 5760040 5781776 5892964 5941936 6203120 6226528 6414590 6734816 6964412 7056049 7227220 7330960 7358624 7366205 7427420 7500136 7783160 7894880 7959328 8064056 8259680 8418520 8488480 8684368 8705515 9198280 9375170 9949160 10080070 10118108 10263344 10312687 10650640 10714480 10855460 10944076 11520080 11563552 11785928 11883872 12187721 12406240 12647635 12829180 13680095 13928824 14112098 14454440 14661920 14732410 14854840 15000272 15566320 16128112 16837040 17368736 17411030 18396560 18750340 19152133 19898320 20160140 20236216 20526688 20625374 21301280 21428960 21710920 21888152 23040160 23571856 24375442 25295270 25658360 27360190 27857648 28224196 28908880 29464820 29709680 30000544 31132640 32256224 33674080 34822060 35280245 36793120 37500680 38304266 39796640 40320280 40472432 41250748 43421840 43776304 47143712 48750884 50590540 51316720 51563435 54720380 55715296 56448392 57817760 58929640 59419360 60938605 69644120 70560490 75001360 76608532 80640560 80944864 82501496 86843680 87552608 95760665 97501768 101181080 102633440 103126870 109440760 112896784 117859280 121877210 134064931 139288240 141120980 150002720 153217064 161281120 165002992 191521330 195003536 202362160 206253740 218881520 225793568 235718560 243754420 268129862 278576480 282241960 306434128 330005984 383042660 390007072 404724320 412507480 437763040 487508840 536259724 564483920 612868256 670324655 766085320 825014960 975017680 1072519448 1128967840 1340649310 1532170640 1650029920 1950035360 2145038896 2681298620 3064341280 4290077792 5362597240 10725194480 21450388960
- Sum of all divisors σ(n): 74472283872
- Sum of proper divisors (its aliquot sum) s(n): 53021894912
- 21450388960 is an abundant number, because the sum of its proper divisors (53021894912) is greater than itself. Its abundance is 31571505952
Bases of 21450388960
- Binary: 100111111101000101011110101111000002
- Hexadecimal: 0x4FE8AF5E0
- Base-36: 9UR0A1S
Squares and roots of 21450388960
- 21450388960 squared (214503889602) is 460119186535289881600
- 21450388960 cubed (214503889603) is 9869735519140762726672347136000
-
The
square root of 21450388960 is 146459.5130402939 -
The
cube root of 21450388960 is 2778.5084627027
Scales and comparisons
How big is 21450388960?- 21,450,388,960 seconds is equal to 682 years, 2 weeks, 6 days, 9 hours, 22 minutes, 40 seconds.
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To count from 1 to 21,450,388,960 would take you about one thousand, three hundred sixty-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 21450388960 cubic inches would be around 231.5 feet tall.
Recreational maths with 21450388960
- 21450388960 backwards is 06988305412
- The number of decimal digits it has is: 11
- The sum of 21450388960's digits is 46
- More coming soon!
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The information we have on file for 21450388960 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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