18129981870
18,129,981,870 is an even composite number composed of seven prime numbers multiplied together.
18129981870 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 18129981870:
2 × 33 × 5 × 73 × 11 × 13 × 372
(2 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 11 × 13 × 37 × 37)See below for interesting mathematical facts about the number 18129981870 from the Numbermatics database.
Names of 18129981870
- Cardinal: 18129981870 can be written as Eighteen billion, one hundred twenty-nine million, nine hundred eighty-one thousand, eight hundred seventy.
Scientific notation
- Scientific notation: 1.812998187 × 1010
Factors of 18129981870
Divisors of 18129981870
- Number of divisors d(n): 768
-
Complete list of divisors:
1 2 3 5 6 7 9 10 11 13 14 15 18 21 22 26 27 30 33 35 37 39 42 45 49 54 55 63 65 66 70 74 77 78 90 91 98 99 105 110 111 117 126 130 135 143 147 154 165 182 185 189 195 198 210 222 231 234 245 259 270 273 286 294 297 315 330 333 343 351 370 378 385 390 407 429 441 455 462 481 490 495 518 539 546 555 585 594 630 637 666 686 693 702 715 735 770 777 814 819 858 882 910 945 962 990 999 1001 1029 1078 1110 1155 1170 1221 1274 1287 1295 1323 1365 1369 1386 1430 1443 1470 1485 1554 1617 1638 1665 1715 1755 1813 1890 1911 1998 2002 2035 2058 2079 2145 2205 2310 2331 2405 2442 2457 2574 2590 2646 2695 2730 2738 2849 2886 2970 3003 3087 3185 3234 3330 3367 3430 3465 3510 3626 3663 3773 3822 3861 3885 4070 4095 4107 4158 4290 4329 4410 4459 4662 4810 4851 4914 4995 5005 5145 5291 5390 5439 5698 5733 6006 6105 6174 6370 6435 6615 6734 6845 6930 6993 7007 7215 7326 7546 7722 7770 8085 8190 8214 8547 8658 8918 9009 9065 9261 9555 9583 9702 9990 10010 10101 10290 10395 10582 10878 10989 11319 11466 11655 12210 12285 12321 12691 12870 12987 13230 13377 13690 13986 14014 14245 14430 14553 15015 15059 15435 15873 16170 16317 16835 17094 17199 17797 18018 18130 18315 18522 18865 19110 19166 19305 19943 20202 20535 20790 21021 21645 21978 22295 22638 23310 23569 24255 24570 24642 25382 25641 25974 26455 26754 27027 27195 28490 28665 28749 29106 30030 30118 30303 30870 31746 32634 33670 33957 34398 34965 35035 35594 36630 36963 37037 37730 38073 38610 39886 40131 41070 42042 42735 43290 44590 45045 45177 46305 47138 47619 47915 48510 48951 49049 50505 51282 52910 53391 54054 54390 54945 56595 57330 57498 59829 60606 61605 63063 63455 64935 66885 67081 67914 69930 70070 70707 72765 73926 74074 75295 76146 76923 79365 80262 81585 85470 85995 86247 88985 90090 90354 90909 92610 95238 95830 97902 98098 99715 101010 101871 105105 105413 106782 109890 111111 113190 114219 117845 119658 120393 123210 124579 126126 126910 128205 129870 133770 134162 135135 135531 139601 141414 142857 143745 145530 147147 150590 151515 153846 158730 160173 163170 164983 169785 171990 172494 177970 179487 181818 184815 185185 189189 190365 195767 199430 200655 201243 203742 210210 210826 212121 222222 225885 228438 235690 238095 240786 244755 245245 249158 256410 258741 259259 266955 270270 271062 279202 285714 287490 294294 299145 303030 315315 316239 320346 329966 333333 335405 339570 342657 353535 358974 369630 370370 373737 378378 380730 384615 391534 401310 402486 406593 418803 424242 431235 441441 451770 454545 469567 476190 480519 489510 490490 494949 509355 517482 518518 527065 533910 538461 555555 571095 587301 598290 601965 603729 622895 630630 632478 636363 666666 670810 677655 685314 698005 707070 714285 735735 737891 747474 769230 777777 800865 813186 824915 837606 862470 872053 882882 897435 909090 939134 945945 948717 961038 978835 989898 999999 1006215 1018710 1054130 1060605 1076922 1111110 1121211 1142190 1174602 1203930 1207458 1245790 1256409 1272726 1293705 1296295 1324323 1355310 1370369 1396010 1408701 1428570 1471470 1475782 1484847 1555554 1581195 1601730 1649830 1666665 1713285 1744106 1761903 1794870 1811187 1814813 1868685 1891890 1897434 1957670 1999998 2012430 2032965 2094015 2121210 2207205 2213673 2242422 2333331 2347835 2402595 2474745 2512818 2587410 2592590 2616159 2648646 2692305 2740738 2817402 2846151 2936505 2969694 3018645 3162390 3181815 3333330 3363633 3426570 3523806 3622374 3629626 3689455 3737370 3769227 3888885 4065930 4111107 4188030 4226103 4360265 4414410 4427346 4454541 4666662 4695670 4743585 4805190 4949490 4999995 5165237 5232318 5285709 5384610 5444439 5606055 5692302 5873010 6037290 6104371 6282045 6363630 6621615 6641019 6727266 6851845 6999993 7043505 7378910 7424235 7538454 7777770 7848477 8222214 8452206 8720530 8809515 8909082 9055935 9074065 9487170 9592583 9999990 10330474 10571418 10888878 11068365 11212110 11666655 12208742 12333321 12564090 12678309 13080795 13243230 13282038 13703690 13999986 14087010 14230755 14848470 15495711 15696954 16333317 16818165 17619030 18111870 18148130 18313113 18846135 19185166 19923057 20555535 21130515 22136730 22272705 23333310 23545431 24666642 25356618 25826185 26161590 26428545 27222195 28461510 28777749 30521855 30991422 32666634 33205095 33636330 34999965 36626226 36999963 37692270 39242385 39846114 41111070 42261030 44545410 46487133 47090862 47962915 48999951 51652370 52857090 54444390 54939339 57555498 61043710 61666605 63391545 66410190 67148081 69999930 73999926 77478555 78484770 81666585 86333247 91565565 92974266 95925830 97999902 99615285 109878678 117727155 123333210 126783090 134296162 139461399 143888745 154957110 163333170 164818017 172666494 183131130 184999815 199230570 201444243 232435665 235454310 244999755 258999741 274696695 278922798 287777490 329636034 335740405 369999630 402888486 431666235 464871330 489999510 517999482 549393390 604332729 671480810 697306995 824090085 863332470 1007221215 1208665458 1294998705 1394613990 1648180170 1812998187 2014442430 2589997410 3021663645 3625996374 6043327290 9064990935 18129981870
- Sum of all divisors σ(n): 68076288000
- Sum of proper divisors (its aliquot sum) s(n): 49946306130
- 18129981870 is an abundant number, because the sum of its proper divisors (49946306130) is greater than itself. Its abundance is 31816324260
Bases of 18129981870
- Binary: 100001110001010000110010001101011102
- Hexadecimal: 0x438A191AE
- Base-36: 8BU4FJI
Squares and roots of 18129981870
- 18129981870 squared (181299818702) is 328696242606528696900
- 18129981870 cubed (181299818703) is 5959256919193486818431725203000
-
The
square root of 18129981870 is 134647.6211078383 -
The
cube root of 18129981870 is 2627.0345826301
Scales and comparisons
How big is 18129981870?- 18,129,981,870 seconds is equal to 576 years, 24 weeks, 5 days, 18 hours, 4 minutes, 30 seconds.
-
To count from 1 to 18,129,981,870 would take you about one thousand, one hundred fifty-two 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 18129981870 cubic inches would be around 218.9 feet tall.
Recreational maths with 18129981870
- 18129981870 backwards is 07818992181
- 18129981870 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18129981870's digits is 54
- More coming soon!
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The information we have on file for 18129981870 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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