21383784667440
21,383,784,667,440 is an even composite number composed of six prime numbers multiplied together.
21383784667440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21383784667440:
24 × 33 × 5 × 13 × 17 × 44795929
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 13 × 17 × 44795929)See below for interesting mathematical facts about the number 21383784667440 from the Numbermatics database.
Names of 21383784667440
- Cardinal: 21383784667440 can be written as Twenty-one trillion, three hundred eighty-three billion, seven hundred eighty-four million, six hundred sixty-seven thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.138378466744 × 1013
Factors of 21383784667440
Divisors of 21383784667440
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 27 30 34 36 39 40 45 48 51 52 54 60 65 68 72 78 80 85 90 102 104 108 117 120 130 135 136 144 153 156 170 180 195 204 208 216 221 234 240 255 260 270 272 306 312 340 351 360 390 408 432 442 459 468 510 520 540 585 612 624 663 680 702 720 765 780 816 884 918 936 1020 1040 1080 1105 1170 1224 1326 1360 1404 1530 1560 1755 1768 1836 1872 1989 2040 2160 2210 2295 2340 2448 2652 2808 3060 3120 3315 3510 3536 3672 3978 4080 4420 4590 4680 5304 5616 5967 6120 6630 7020 7344 7956 8840 9180 9360 9945 10608 11934 12240 13260 14040 15912 17680 18360 19890 23868 26520 28080 29835 31824 36720 39780 47736 53040 59670 79560 95472 119340 159120 238680 477360 44795929 89591858 134387787 179183716 223979645 268775574 358367432 403163361 447959290 537551148 582347077 671938935 716734864 761530793 806326722 895918580 1075102296 1164694154 1209490083 1343877870 1523061586 1612653444 1747041231 1791837160 2015816805 2150204592 2284592379 2329388308 2418980166 2687755740 2911735385 3046123172 3225306888 3494082462 3583674320 3807653965 4031633610 4569184758 4658776616 4837960332 5241123693 5375511480 5823470770 6047450415 6092246344 6450613776 6853777137 6988164924 7615307930 8063267220 8735206155 9138369516 9317553232 9675920664 9899900309 10482247386 10751022960 11422961895 11646941540 12094900830 12184492688 13707554274 13976329848 15230615860 15723371079 16126534440 17470412310 18276739032 19351841328 19799800618 20561331411 20964494772 22845923790 23293883080 24189801660 26205618465 27415108548 27952659696 29699700927 30461231720 31446742158 32253068880 34268885685 34940824620 36553478064 39599601236 41122662822 41928989544 45691847580 46587766160 48379603320 49499501545 52411236930 54830217096 59399401854 60922463440 62893484316 68537771370 69881649240 78616855395 79199202472 82245325644 83857979088 89099102781 91383695160 96759206640 98999003090 102806657055 104822473860 109660434192 118798803708 125786968632 137075542740 139763298480 148498504635 157233710790 158398404944 164490651288 178198205562 182767390320 197998006180 205613314110 209644947720 237597607416 251573937264 267297308343 274151085480 296997009270 314467421580 328981302576 356396411124 395996012360 411226628220 419289895440 445495513905 475195214832 534594616686 548302170960 593994018540 628934843160 712792822248 791992024720 822453256440 890991027810 1069189233372 1187988037080 1257869686320 1336486541715 1425585644496 1644906512880 1781982055620 2138378466744 2375976074160 2672973083430 3563964111240 4276756933488 5345946166860 7127928222480 10691892333720 21383784667440
- Sum of all divisors σ(n): 83986993238400
- Sum of proper divisors (its aliquot sum) s(n): 62603208570960
- 21383784667440 is an abundant number, because the sum of its proper divisors (62603208570960) is greater than itself. Its abundance is 41219423903520
Bases of 21383784667440
- Binary: 1001101110010110011001110001110011001001100002
- Hexadecimal: 0x1372CCE39930
- Base-36: 7KVKPA0C0
Squares and roots of 21383784667440
- 21383784667440 squared (213837846674402) is 457266246703442031396153600
- 21383784667440 cubed (213837846674403) is 9778082955194900155641916448271158784000
-
The
square root of 21383784667440 is 4624260.4454593601 -
The
cube root of 21383784667440 is 27756.2968877033
Scales and comparisons
How big is 21383784667440?- 21,383,784,667,440 seconds is equal to 679,938 years, 10 weeks, 5 days, 17 hours, 24 minutes.
-
To count from 1 to 21,383,784,667,440 would take you about one million, six hundred ninety-nine thousand, eight hundred forty-five 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 21383784667440 cubic inches would be around 2313 feet tall.
Recreational maths with 21383784667440
- 21383784667440 backwards is 04476648738312
- The number of decimal digits it has is: 14
- The sum of 21383784667440's digits is 63
- More coming soon!
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