21440240640
21,440,240,640 is an even composite number composed of six prime numbers multiplied together.
21440240640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred twenty-eight divisors.
Prime factorization of 21440240640:
210 × 32 × 5 × 7 × 13 × 5113
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 5113)See below for interesting mathematical facts about the number 21440240640 from the Numbermatics database.
Names of 21440240640
- Cardinal: 21440240640 can be written as Twenty-one billion, four hundred forty million, two hundred forty thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.144024064 × 1010
Factors of 21440240640
Divisors of 21440240640
- Number of divisors d(n): 528
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 52 56 60 63 64 65 70 72 78 80 84 90 91 96 104 105 112 117 120 126 128 130 140 144 156 160 168 180 182 192 195 208 210 224 234 240 252 256 260 273 280 288 312 315 320 336 360 364 384 390 416 420 448 455 468 480 504 512 520 546 560 576 585 624 630 640 672 720 728 768 780 819 832 840 896 910 936 960 1008 1024 1040 1092 1120 1152 1170 1248 1260 1280 1344 1365 1440 1456 1536 1560 1638 1664 1680 1792 1820 1872 1920 2016 2080 2184 2240 2304 2340 2496 2520 2560 2688 2730 2880 2912 3072 3120 3276 3328 3360 3584 3640 3744 3840 4032 4095 4160 4368 4480 4608 4680 4992 5040 5113 5120 5376 5460 5760 5824 6240 6552 6656 6720 7168 7280 7488 7680 8064 8190 8320 8736 8960 9216 9360 9984 10080 10226 10752 10920 11520 11648 12480 13104 13312 13440 14560 14976 15339 15360 16128 16380 16640 17472 17920 18720 19968 20160 20452 21504 21840 23040 23296 24960 25565 26208 26880 29120 29952 30678 32256 32760 33280 34944 35791 35840 37440 39936 40320 40904 43680 46017 46080 46592 49920 51130 52416 53760 58240 59904 61356 64512 65520 66469 66560 69888 71582 74880 76695 80640 81808 87360 92034 93184 99840 102260 104832 107373 107520 116480 119808 122712 131040 132938 139776 143164 149760 153390 161280 163616 174720 178955 184068 199407 199680 204520 209664 214746 230085 232960 245424 262080 265876 279552 286328 299520 306780 322119 322560 327232 332345 349440 357910 368136 398814 409040 419328 429492 460170 465283 465920 490848 524160 531752 536865 572656 598221 599040 613560 644238 654464 664690 698880 715820 736272 797628 818080 838656 858984 920340 930566 981696 997035 1048320 1063504 1073730 1145312 1196442 1227120 1288476 1308928 1329380 1395849 1397760 1431640 1472544 1595256 1610595 1636160 1717968 1840680 1861132 1963392 1994070 2096640 2127008 2147460 2290624 2326415 2392884 2454240 2576952 2617856 2658760 2791698 2863280 2945088 2991105 3190512 3221190 3272320 3435936 3681360 3722264 3926784 3988140 4187547 4193280 4254016 4294920 4581248 4652830 4785768 4908480 5153904 5235712 5317520 5583396 5726560 5890176 5982210 6381024 6442380 6544640 6871872 6979245 7362720 7444528 7853568 7976280 8375094 8508032 8589840 9162496 9305660 9571536 9816960 10307808 10635040 11166792 11453120 11780352 11964420 12762048 12884760 13089280 13743744 13958490 14725440 14889056 15707136 15952560 16750188 17016064 17179680 18324992 18611320 19143072 19633920 20615616 20937735 21270080 22333584 22906240 23560704 23928840 25524096 25769520 26178560 27487488 27916980 29450880 29778112 31905120 33500376 34032128 34359360 36649984 37222640 38286144 39267840 41231232 41875470 42540160 44667168 45812480 47121408 47857680 51048192 51539040 54974976 55833960 58901760 59556224 63810240 67000752 68064256 68718720 74445280 76572288 78535680 82462464 83750940 85080320 89334336 91624960 95715360 102096384 103078080 109949952 111667920 117803520 119112448 127620480 134001504 137437440 148890560 153144576 164924928 167501880 170160640 178668672 183249920 191430720 204192768 206156160 223335840 235607040 238224896 255240960 268003008 274874880 297781120 306289152 329849856 335003760 340321280 357337344 382861440 412312320 446671680 476449792 510481920 536006016 549749760 595562240 612578304 670007520 714674688 765722880 824624640 893343360 1020963840 1072012032 1191124480 1340015040 1429349376 1531445760 1649249280 1786686720 2144024064 2382248960 2680030080 3062891520 3573373440 4288048128 5360060160 7146746880 10720120320 21440240640
- Sum of all divisors σ(n): 91451575488
- Sum of proper divisors (its aliquot sum) s(n): 70011334848
- 21440240640 is an abundant number, because the sum of its proper divisors (70011334848) is greater than itself. Its abundance is 48571094208
Bases of 21440240640
- Binary: 100111111011111000000011100000000002
- Hexadecimal: 0x4FDF01C00
- Base-36: 9UKYRK0
Squares and roots of 21440240640
- 21440240640 squared (214402406402) is 459683918701107609600
- 21440240640 cubed (214402406403) is 9855733835289943384359174144000
-
The
square root of 21440240640 is 146424.8634624599 -
The
cube root of 21440240640 is 2778.0702167115
Scales and comparisons
How big is 21440240640?- 21,440,240,640 seconds is equal to 681 years, 38 weeks, 22 hours, 24 minutes.
-
To count from 1 to 21,440,240,640 would take you about one thousand, three hundred sixty-three 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 21440240640 cubic inches would be around 231.5 feet tall.
Recreational maths with 21440240640
- 21440240640 backwards is 04604204412
- The number of decimal digits it has is: 11
- The sum of 21440240640's digits is 27
- More coming soon!
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