20942138880
20,942,138,880 is an even composite number composed of six prime numbers multiplied together.
20942138880 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 20942138880:
29 × 32 × 5 × 13 × 29 × 2411
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 29 × 2411)See below for interesting mathematical facts about the number 20942138880 from the Numbermatics database.
Names of 20942138880
- Cardinal: 20942138880 can be written as Twenty billion, nine hundred forty-two million, one hundred thirty-eight thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 2.094213888 × 1010
Factors of 20942138880
Divisors of 20942138880
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 29 30 32 36 39 40 45 48 52 58 60 64 65 72 78 80 87 90 96 104 116 117 120 128 130 144 145 156 160 174 180 192 195 208 232 234 240 256 260 261 288 290 312 320 348 360 377 384 390 416 435 464 468 480 512 520 522 576 580 585 624 640 696 720 754 768 780 832 870 928 936 960 1040 1044 1131 1152 1160 1170 1248 1280 1305 1392 1440 1508 1536 1560 1664 1740 1856 1872 1885 1920 2080 2088 2262 2304 2320 2340 2411 2496 2560 2610 2784 2880 3016 3120 3328 3393 3480 3712 3744 3770 3840 4160 4176 4524 4608 4640 4680 4822 4992 5220 5568 5655 5760 6032 6240 6656 6786 6960 7233 7424 7488 7540 7680 8320 8352 9048 9280 9360 9644 9984 10440 11136 11310 11520 12055 12064 12480 13572 13920 14466 14848 14976 15080 16640 16704 16965 18096 18560 18720 19288 19968 20880 21699 22272 22620 23040 24110 24128 24960 27144 27840 28932 29952 30160 31343 33280 33408 33930 36165 36192 37120 37440 38576 41760 43398 44544 45240 48220 48256 49920 54288 55680 57864 59904 60320 62686 66816 67860 69919 72330 72384 74240 74880 77152 83520 86796 90480 94029 96440 96512 99840 108495 108576 111360 115728 120640 125372 133632 135720 139838 144660 144768 149760 154304 156715 167040 173592 180960 188058 192880 193024 209757 216990 217152 222720 231456 241280 250744 271440 279676 282087 289320 289536 299520 308608 313430 334080 347184 349595 361920 376116 385760 419514 433980 434304 462912 470145 482560 501488 542880 559352 564174 578640 579072 617216 626860 629271 668160 694368 699190 723840 752232 771520 839028 867960 868608 908947 925824 940290 965120 1002976 1048785 1085760 1118704 1128348 1157280 1234432 1253720 1258542 1388736 1398380 1410435 1447680 1504464 1543040 1678056 1735920 1737216 1817894 1851648 1880580 2005952 2097570 2171520 2237408 2256696 2314560 2507440 2517084 2726841 2777472 2796760 2820870 2895360 3008928 3086080 3146355 3356112 3471840 3635788 3703296 3761160 4011904 4195140 4343040 4474816 4513392 4544735 4629120 5014880 5034168 5453682 5554944 5593520 5641740 6017856 6172160 6292710 6712224 6943680 7271576 7522320 8023808 8180523 8390280 8686080 8949632 9026784 9089470 9258240 10029760 10068336 10907364 11109888 11187040 11283480 12035712 12585420 13424448 13634205 13887360 14543152 15044640 16047616 16361046 16780560 17899264 18053568 18178940 18516480 20059520 20136672 21814728 22374080 22566960 24071424 25170840 26848896 27268410 27774720 29086304 30089280 32722092 33561120 35798528 36107136 36357880 40119040 40273344 40902615 43629456 44748160 45133920 48142848 50341680 53697792 54536820 55549440 58172608 60178560 65444184 67122240 72214272 72715760 80238080 80546688 81805230 87258912 89496320 90267840 100683360 107395584 109073640 116345216 120357120 130888368 134244480 144428544 145431520 161093376 163610460 174517824 178992640 180535680 201366720 218147280 232690432 240714240 261776736 268488960 290863040 322186752 327220920 349035648 361071360 402733440 436294560 465380864 523553472 536977920 581726080 654441840 698071296 722142720 805466880 872589120 1047106944 1163452160 1308883680 1396142592 1610933760 1745178240 2094213888 2326904320 2617767360 3490356480 4188427776 5235534720 6980712960 10471069440 20942138880
- Sum of all divisors σ(n): 80834513760
- Sum of proper divisors (its aliquot sum) s(n): 59892374880
- 20942138880 is an abundant number, because the sum of its proper divisors (59892374880) is greater than itself. Its abundance is 38950236000
Bases of 20942138880
- Binary: 100111000000011111110101110000000002
- Hexadecimal: 0x4E03FAE00
- Base-36: 9MCEPS0
Squares and roots of 20942138880
- 20942138880 squared (209421388802) is 438573180869207654400
- 20942138880 cubed (209421388803) is 9184660462806305814003843072000
-
The
square root of 20942138880 is 144713.9899249551 -
The
cube root of 20942138880 is 2756.3879655745
Scales and comparisons
How big is 20942138880?- 20,942,138,880 seconds is equal to 665 years, 46 weeks, 3 days, 20 hours, 48 minutes.
-
To count from 1 to 20,942,138,880 would take you about one thousand, three hundred thirty-one 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 20942138880 cubic inches would be around 229.7 feet tall.
Recreational maths with 20942138880
- 20942138880 backwards is 08883124902
- 20942138880 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20942138880's digits is 45
- More coming soon!
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