18318867138
18,318,867,138 is an even composite number composed of eight prime numbers multiplied together.
What does the number 18318867138 look like?
This visualization shows the relationship between its 8 prime factors (large circles) and 384 divisors.
18318867138 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 18318867138:
2 × 32 × 11 × 13 × 19 × 31 × 43 × 281
(2 × 3 × 3 × 11 × 13 × 19 × 31 × 43 × 281)See below for interesting mathematical facts about the number 18318867138 from the Numbermatics database.
Names of 18318867138
- Cardinal: 18318867138 can be written as Eighteen billion, three hundred eighteen million, eight hundred sixty-seven thousand, one hundred thirty-eight.
Scientific notation
- Scientific notation: 1.8318867138 × 1010
Factors of 18318867138
Divisors of 18318867138
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 6 9 11 13 18 19 22 26 31 33 38 39 43 57 62 66 78 86 93 99 114 117 129 143 171 186 198 209 234 247 258 279 281 286 341 342 387 403 418 429 473 494 558 559 562 589 627 682 741 774 806 817 843 858 946 1023 1118 1178 1209 1254 1287 1333 1419 1482 1634 1677 1686 1767 1881 2046 2223 2418 2451 2529 2574 2666 2717 2838 3069 3091 3354 3534 3627 3653 3762 3999 4257 4433 4446 4902 5031 5058 5301 5339 5434 6138 6149 6182 6479 7254 7306 7353 7657 7998 8151 8514 8711 8866 8987 9273 10062 10602 10621 10678 10959 11997 12083 12298 12958 13299 14663 14706 15314 16017 16302 17329 17422 17974 18447 18546 19437 21242 21918 22971 23994 24166 24453 25327 26133 26598 26961 27819 29326 31863 32034 32877 34658 36249 36894 38874 39897 40183 43989 45942 48051 48906 50654 51987 52266 53922 55341 55638 58311 58729 63726 65754 68913 69407 72498 75981 78399 79794 80366 80883 84227 87978 95589 95821 96102 103974 108747 110682 113243 116622 116831 117458 120549 131967 132913 137826 138814 151962 155961 156798 157079 161766 165509 168454 176187 190619 191178 191642 208221 217494 226486 227943 229577 233662 241098 252681 263934 265826 278597 287463 311922 314158 329251 331018 339729 350493 352374 361647 374573 381238 398739 416442 455886 459154 471237 496527 505362 528561 557194 571857 574926 624663 658502 679458 688731 700986 723294 749146 758043 763477 797478 835791 862389 942474 987753 993054 1019187 1051479 1057122 1123719 1143714 1196217 1245673 1249326 1377462 1413711 1489581 1516086 1526954 1671582 1715571 1724778 1727869 1820599 1975506 2038374 2066193 2102958 2151617 2247438 2290431 2392434 2491346 2507373 2525347 2827422 2963259 2979162 2984501 3371157 3431142 3455738 3621761 3641198 3737019 4120303 4132386 4303234 4580862 4869449 5014746 5050694 5183607 5461797 5926518 5969002 6454851 6742314 6871293 7116887 7243522 7474038 7576041 8240606 8953503 9738898 10367214 10865283 10923594 11211057 12360909 12909702 13742586 14233774 14608347 15152082 15550821 16385391 17907006 19364553 21350661 21730566 22422114 22728123 23667787 24721818 26860509 29216694 31101642 32595849 32770782 32829511 37082727 38729106 42701322 43825041 45456246 47335574 53563939 53721018 64051983 65191698 65659022 71003361 74165454 78285757 87650082 92519531 98488533 107127878 128103966 142006722 156571514 160691817 185039062 196977066 213010083 234857271 277558593 295465599 321383634 426020166 469714542 482075451 555117186 590931198 704571813 832675779 964150902 1017714841 1409143626 1665351558 2035429682 3053144523 6106289046 9159433569 18318867138
- Sum of all divisors σ(n): 52030218240
- Sum of proper divisors (its aliquot sum) s(n): 33711351102
- 18318867138 is an abundant number, because the sum of its proper divisors (33711351102) is greater than itself. Its abundance is 15392483964
Bases of 18318867138
- Binary: 100010000111110001110111010110000102
- Hexadecimal: 0x443E3BAC2
- Base-36: 8EYKWCI
Squares and roots of 18318867138
- 18318867138 squared (183188671382) is 335580893219696311044
- 18318867138 cubed (183188671383) is 6147461796942981766723758072072
-
The
square root of 18318867138 is 135347.2095685759 -
The
cube root of 18318867138 is 2636.1262410345
Scales and comparisons
How big is 18318867138?- 18,318,867,138 seconds is equal to 582 years, 25 weeks, 22 hours, 12 minutes, 18 seconds.
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To count from 1 to 18,318,867,138 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 18318867138 cubic inches would be around 219.7 feet tall.
Recreational maths with 18318867138
- 18318867138 backwards is 83176881381
- The number of decimal digits it has is: 11
- The sum of 18318867138's digits is 54
- More coming soon!
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The information we have on file for 18318867138 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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