20121378816
20,121,378,816 is an even composite number composed of five prime numbers multiplied together.
20121378816 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of five hundred sixty divisors.
Prime factorization of 20121378816:
213 × 3 × 74 × 11 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 7 × 7 × 11 × 31)See below for interesting mathematical facts about the number 20121378816 from the Numbermatics database.
Names of 20121378816
- Cardinal: 20121378816 can be written as Twenty billion, one hundred twenty-one million, three hundred seventy-eight thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 2.0121378816 × 1010
Factors of 20121378816
Divisors of 20121378816
- Number of divisors d(n): 560
-
Complete list of divisors:
1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 31 32 33 42 44 48 49 56 62 64 66 77 84 88 93 96 98 112 124 128 132 147 154 168 176 186 192 196 217 224 231 248 256 264 294 308 336 341 343 352 372 384 392 434 448 462 496 512 528 539 588 616 651 672 682 686 704 744 768 784 868 896 924 992 1023 1024 1029 1056 1078 1176 1232 1302 1344 1364 1372 1408 1488 1519 1536 1568 1617 1736 1792 1848 1984 2046 2048 2058 2112 2156 2352 2387 2401 2464 2604 2688 2728 2744 2816 2976 3038 3072 3136 3234 3472 3584 3696 3773 3968 4092 4096 4116 4224 4312 4557 4704 4774 4802 4928 5208 5376 5456 5488 5632 5952 6076 6144 6272 6468 6944 7161 7168 7203 7392 7546 7936 8184 8192 8232 8448 8624 9114 9408 9548 9604 9856 10416 10633 10752 10912 10976 11264 11319 11904 12152 12288 12544 12936 13888 14322 14336 14406 14784 15092 15872 16368 16464 16709 16896 17248 18228 18816 19096 19208 19712 20832 21266 21504 21824 21952 22528 22638 23808 24304 24576 25088 25872 26411 27776 28644 28672 28812 29568 30184 31744 31899 32736 32928 33418 33792 34496 36456 37632 38192 38416 39424 41664 42532 43008 43648 43904 45056 45276 47616 48608 50127 50176 51744 52822 55552 57288 57344 57624 59136 60368 63488 63798 65472 65856 66836 67584 68992 72912 74431 75264 76384 76832 78848 79233 83328 85064 86016 87296 87808 90112 90552 95232 97216 100254 100352 103488 105644 111104 114576 115248 116963 118272 120736 126976 127596 130944 131712 133672 135168 137984 145824 148862 150528 152768 153664 157696 158466 166656 170128 172032 174592 175616 181104 190464 194432 200508 200704 206976 211288 222208 223293 229152 230496 233926 236544 241472 253952 255192 261888 263424 267344 270336 275968 291648 297724 301056 305536 307328 315392 316932 333312 340256 349184 350889 351232 362208 380928 388864 401016 401408 413952 422576 444416 446586 458304 460992 467852 473088 482944 510384 523776 526848 534688 551936 583296 595448 602112 611072 614656 630784 633864 666624 680512 698368 701778 702464 724416 761856 777728 802032 818741 827904 845152 888832 893172 916608 921984 935704 946176 965888 1020768 1047552 1053696 1069376 1103872 1166592 1190896 1204224 1222144 1229312 1267728 1333248 1361024 1396736 1403556 1404928 1448832 1555456 1604064 1637482 1655808 1690304 1777664 1786344 1833216 1843968 1871408 1892352 1931776 2041536 2095104 2107392 2138752 2207744 2333184 2381792 2444288 2456223 2458624 2535456 2666496 2722048 2793472 2807112 2809856 2897664 3110912 3208128 3274964 3311616 3380608 3572688 3666432 3687936 3742816 3863552 4083072 4190208 4214784 4277504 4415488 4666368 4763584 4888576 4912446 4917248 5070912 5332992 5444096 5614224 5795328 6221824 6416256 6549928 6623232 6761216 7145376 7332864 7375872 7485632 7727104 8166144 8380416 8429568 8555008 9332736 9527168 9777152 9824892 9834496 10141824 10888192 11228448 11590656 12443648 12832512 13099856 13246464 13522432 14290752 14665728 14751744 14971264 15454208 16332288 17110016 18665472 19054336 19554304 19649784 19668992 20283648 21776384 22456896 23181312 25665024 26199712 27044864 28581504 29331456 29503488 29942528 30908416 32664576 34220032 37330944 38108672 39299568 40567296 43552768 44913792 46362624 51330048 52399424 54089728 57163008 58662912 59006976 59885056 65329152 68440064 76217344 78599136 81134592 87105536 89827584 92725248 102660096 104798848 108179456 114326016 119770112 130658304 136880128 152434688 157198272 162269184 179655168 205320192 209597696 216358912 228652032 239540224 261316608 304869376 314396544 324538368 359310336 410640384 419195392 457304064 479080448 609738752 628793088 649076736 718620672 838390784 914608128 958160896 1257586176 1437241344 1676781568 1829216256 2515172352 2874482688 3353563136 5030344704 6707126272 10060689408 20121378816
- Sum of all divisors σ(n): 70485170688
- Sum of proper divisors (its aliquot sum) s(n): 50363791872
- 20121378816 is an abundant number, because the sum of its proper divisors (50363791872) is greater than itself. Its abundance is 30242413056
Bases of 20121378816
- Binary: 100101011110101001111100000000000002
- Hexadecimal: 0x4AF53E000
- Base-36: 98RQZ9C
Squares and roots of 20121378816
- 20121378816 squared (201213788162) is 404869885456973561856
- 20121378816 cubed (201213788163) is 8146540336470294307001384042496
-
The
square root of 20121378816 is 141849.8460203605 -
The
cube root of 20121378816 is 2719.8977585559
Scales and comparisons
How big is 20121378816?- 20,121,378,816 seconds is equal to 639 years, 41 weeks, 3 days, 7 hours, 53 minutes, 36 seconds.
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To count from 1 to 20,121,378,816 would take you about one thousand, two hundred seventy-nine 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 20121378816 cubic inches would be around 226.7 feet tall.
Recreational maths with 20121378816
- 20121378816 backwards is 61887312102
- The number of decimal digits it has is: 11
- The sum of 20121378816's digits is 39
- More coming soon!
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The information we have on file for 20121378816 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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