18308994816
18,308,994,816 is an even composite number composed of six prime numbers multiplied together.
18308994816 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 18308994816:
28 × 3 × 7 × 31 × 61 × 1801
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 31 × 61 × 1801)See below for interesting mathematical facts about the number 18308994816 from the Numbermatics database.
Names of 18308994816
- Cardinal: 18308994816 can be written as Eighteen billion, three hundred eight million, nine hundred ninety-four thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 1.8308994816 × 1010
Factors of 18308994816
Divisors of 18308994816
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 61 62 64 84 93 96 112 122 124 128 168 183 186 192 217 224 244 248 256 336 366 372 384 427 434 448 488 496 651 672 732 744 768 854 868 896 976 992 1281 1302 1344 1464 1488 1708 1736 1792 1801 1891 1952 1984 2562 2604 2688 2928 2976 3416 3472 3602 3782 3904 3968 5124 5208 5376 5403 5673 5856 5952 6832 6944 7204 7564 7808 7936 10248 10416 10806 11346 11712 11904 12607 13237 13664 13888 14408 15128 15616 20496 20832 21612 22692 23424 23808 25214 26474 27328 27776 28816 30256 37821 39711 40992 41664 43224 45384 46848 50428 52948 54656 55552 55831 57632 60512 75642 79422 81984 83328 86448 90768 100856 105896 109312 109861 111662 115264 121024 151284 158844 163968 166656 167493 172896 181536 201712 211792 219722 223324 230528 242048 302568 317688 327936 329583 334986 345792 363072 390817 403424 423584 439444 446648 461056 484096 605136 635376 659166 669972 691584 726144 769027 781634 806848 847168 878888 893296 1172451 1210272 1270752 1318332 1339944 1383168 1452288 1538054 1563268 1613696 1694336 1757776 1786592 2307081 2344902 2420544 2541504 2636664 2679888 3076108 3126536 3227392 3388672 3405691 3515552 3573184 4614162 4689804 4841088 5083008 5273328 5359776 6152216 6253072 6811382 7031104 7146368 9228324 9379608 9682176 10166016 10217073 10546656 10719552 12304432 12506144 13622764 14062208 14292736 18456648 18759216 20434146 21093312 21439104 23839837 24608864 25012288 27245528 28124416 36913296 37518432 40868292 42186624 42878208 47679674 49217728 50024576 54491056 71519511 73826592 75036864 81736584 84373248 95359348 98435456 100049152 108982112 143039022 147653184 150073728 163473168 190718696 196870912 217964224 286078044 295306368 300147456 326946336 381437392 435928448 572156088 590612736 653892672 762874784 871856896 1144312176 1307785344 1525749568 2288624352 2615570688 3051499136 4577248704 6102998272 9154497408 18308994816
- Sum of all divisors σ(n): 58461147136
- Sum of proper divisors (its aliquot sum) s(n): 40152152320
- 18308994816 is an abundant number, because the sum of its proper divisors (40152152320) is greater than itself. Its abundance is 21843157504
Bases of 18308994816
- Binary: 100010000110100110100010111000000002
- Hexadecimal: 0x4434D1700
- Base-36: 8ESPATC
Squares and roots of 18308994816
- 18308994816 squared (183089948162) is 335219291172314873856
- 18308994816 cubed (183089948163) is 6137528264297107588149197930496
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The
square root of 18308994816 is 135310.7342970247 -
The
cube root of 18308994816 is 2635.6526061507
Scales and comparisons
How big is 18308994816?- 18,308,994,816 seconds is equal to 582 years, 8 weeks, 5 days, 15 hours, 53 minutes, 36 seconds.
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To count from 1 to 18,308,994,816 would take you about one thousand, one 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 18308994816 cubic inches would be around 219.6 feet tall.
Recreational maths with 18308994816
- 18308994816 backwards is 61849980381
- The number of decimal digits it has is: 11
- The sum of 18308994816's digits is 57
- More coming soon!
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