18138949752
18,138,949,752 is an even composite number composed of seven prime numbers multiplied together.
18138949752 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 18138949752:
23 × 3 × 72 × 11 × 61 × 127 × 181
(2 × 2 × 2 × 3 × 7 × 7 × 11 × 61 × 127 × 181)See below for interesting mathematical facts about the number 18138949752 from the Numbermatics database.
Names of 18138949752
- Cardinal: 18138949752 can be written as Eighteen billion, one hundred thirty-eight million, nine hundred forty-nine thousand, seven hundred fifty-two.
Scientific notation
- Scientific notation: 1.8138949752 × 1010
Factors of 18138949752
Divisors of 18138949752
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 49 56 61 66 77 84 88 98 122 127 132 147 154 168 181 183 196 231 244 254 264 294 308 362 366 381 392 427 462 488 508 539 543 588 616 671 724 732 762 854 889 924 1016 1078 1086 1176 1267 1281 1342 1397 1448 1464 1524 1617 1708 1778 1848 1991 2013 2156 2172 2534 2562 2667 2684 2794 2989 3048 3234 3416 3556 3801 3982 4026 4191 4312 4344 4697 5068 5124 5334 5368 5588 5973 5978 6223 6468 7112 7602 7747 7964 8052 8382 8869 8967 9394 9779 10136 10248 10668 11041 11176 11946 11956 12446 12936 13937 14091 15204 15494 15928 16104 16764 17738 17934 18669 18788 19558 21336 22082 22987 23241 23892 23912 24892 26607 27874 28182 29337 30408 30988 32879 33123 33528 35476 35868 37338 37576 39116 41811 44164 45974 46482 47784 49784 53214 54229 55748 56364 58674 61976 65758 66246 68453 68961 70952 71736 74676 77287 78232 83622 85217 88328 91948 92964 97559 98637 106428 108458 111496 112728 117348 121451 131516 132492 136906 137922 149352 154574 160909 162687 167244 170434 183896 185928 195118 197274 205359 212856 216916 231861 234696 242902 252857 255651 263032 264984 273812 275844 292677 309148 321818 325374 334488 340868 364353 379603 390236 394548 410718 433832 463722 482727 485804 505714 511302 541009 547624 551688 585354 596519 618296 643636 650748 681736 728706 758571 759206 780472 789096 821436 850157 927444 965454 971608 1011428 1022604 1082018 1126363 1138809 1170708 1193038 1287272 1301496 1402207 1457412 1517142 1518412 1623027 1642872 1700314 1769999 1789557 1854888 1930908 2022856 2045208 2164036 2252726 2277618 2341416 2386076 2550471 2804414 2914824 3034284 3036824 3246054 3379089 3400628 3539998 3579114 3861816 4175633 4206621 4328072 4505452 4555236 4772152 5100942 5309997 5608828 5951099 6068568 6492108 6758178 6801256 7079996 7158228 8351266 8413242 9010904 9110472 9815449 10201884 10619994 11217656 11902198 12389993 12526899 12984216 13516356 14159992 14316456 15424277 16702532 16826484 17853297 19630898 20403768 21239988 23804396 24779986 25053798 27032712 29446347 30848554 33405064 33652968 35706594 37169979 39261796 42479976 46272831 47608792 49559972 50107596 58892694 61697108 68708143 71413188 74339958 78523592 92545662 99119944 100215192 107969939 117785388 123394216 137416286 142826376 148679916 185091324 206124429 215939878 235570776 274832572 297359832 323909817 370182648 412248858 431879756 549665144 647819634 755789573 824497716 863759512 1295639268 1511579146 1648995432 2267368719 2591278536 3023158292 4534737438 6046316584 9069474876 18138949752
- Sum of all divisors σ(n): 59276206080
- Sum of proper divisors (its aliquot sum) s(n): 41137256328
- 18138949752 is an abundant number, because the sum of its proper divisors (41137256328) is greater than itself. Its abundance is 22998306576
Bases of 18138949752
- Binary: 100001110010010101001101000011110002
- Hexadecimal: 0x4392A6878
- Base-36: 8BZGN7C
Squares and roots of 18138949752
- 18138949752 squared (181389497522) is 329021498105580861504
- 18138949752 cubed (181389497523) is 5968104421464894437593927147008
-
The
square root of 18138949752 is 134680.9182920877 -
The
cube root of 18138949752 is 2627.4676599667
Scales and comparisons
How big is 18138949752?- 18,138,949,752 seconds is equal to 576 years, 39 weeks, 4 days, 13 hours, 9 minutes, 12 seconds.
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To count from 1 to 18,138,949,752 would take you about one thousand, one hundred fifty-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 18138949752 cubic inches would be around 219 feet tall.
Recreational maths with 18138949752
- 18138949752 backwards is 25794983181
- The number of decimal digits it has is: 11
- The sum of 18138949752's digits is 57
- More coming soon!
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The information we have on file for 18138949752 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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