18172040040

Names of 18172040040

• Cardinal: 18172040040 can be written as Eighteen billion, one hundred seventy-two million, forty thousand and forty.

Scientific notation

• Scientific notation: 1.817204004 × 10¹⁰

Factors of 18172040040

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 131

Divisors of 18172040040

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 19 20 21 22 24 27 28 30 31 33 35 36 38 40 42 44 45 49 53 54 55 56 57 60 62 63 66 70 72 76 77 84 88 90 93 95 98 99 105 106 108 110 114 120 124 126 132 133 135 140 147 152 154 155 159 165 168 171 180 186 189 190 196 198 209 210 212 216 217 220 228 231 245 248 252 264 265 266 270 279 280 285 294 297 308 310 315 318 330 341 342 360 371 372 378 380 385 392 396 399 418 420 424 434 440 441 456 462 465 477 490 495 504 513 530 532 539 540 558 570 583 588 589 594 616 620 627 630 636 651 660 665 682 684 693 735 742 744 756 760 770 792 795 798 836 837 840 855 868 882 924 930 931 945 954 980 990 1007 1023 1026 1045 1060 1064 1078 1080 1085 1113 1116 1140 1155 1166 1176 1178 1188 1197 1240 1254 1260 1272 1302 1320 1323 1330 1364 1368 1386 1395 1431 1463 1470 1484 1485 1512 1519 1540 1590 1596 1617 1643 1672 1674 1705 1710 1736 1749 1764 1767 1848 1855 1860 1862 1881 1890 1908 1953 1960 1980 1995 2014 2046 2052 2079 2090 2120 2156 2170 2205 2226 2232 2280 2310 2332 2356 2376 2385 2387 2394 2508 2520 2565 2597 2604 2646 2660 2695 2728 2772 2790 2793 2862 2915 2926 2940 2945 2968 2970 3021 3038 3069 3080 3135 3180 3192 3234 3255 3286 3339 3348 3410 3420 3465 3498 3528 3534 3591 3710 3720 3724 3762 3780 3816 3906 3960 3990 4028 4081 4092 4104 4123 4158 4180 4185 4312 4340 4389 4410 4452 4557 4620 4655 4664 4712 4770 4774 4788 4851 4929 5016 5035 5115 5130 5194 5208 5247 5292 5301 5320 5390 5544 5565 5580 5586 5643 5724 5830 5852 5859 5880 5890 5940 5985 6042 6076 6138 6270 6360 6468 6479 6510 6572 6615 6678 6696 6820 6840 6930 6996 7049 7068 7155 7161 7182 7315 7420 7448 7524 7560 7595 7791 7812 7980 8056 8085 8162 8184 8215 8246 8316 8360 8370 8379 8680 8745 8778 8820 8835 8904 9063 9114 9207 9240 9310 9405 9540 9548 9576 9702 9765 9858 10017 10070 10230 10241 10260 10388 10395 10494 10584 10602 10780 11077 11130 11160 11172 11286 11448 11501 11660 11704 11718 11780 11880 11935 11970 12084 12152 12243 12276 12369 12540 12936 12958 12985 13020 13144 13167 13230 13356 13640 13671 13860 13965 13992 14098 14136 14310 14322 14364 14553 14630 14787 14840 15048 15105 15190 15345 15582 15624 15741 15903 15960 16170 16324 16430 16492 16632 16695 16709 16740 16758 17490 17556 17640 17670 17955 18073 18126 18228 18414 18620 18810 19080 19096 19404 19437 19530 19716 20034 20140 20405 20460 20482 20520 20615 20776 20790 20988 21147 21204 21483 21560 21945 22154 22260 22344 22572 22785 23002 23320 23373 23436 23560 23870 23940 24168 24255 24486 24552 24645 24738 25080 25137 25916 25970 26040 26235 26334 26460 26505 26712 27189 27342 27720 27930 28196 28215 28567 28620 28644 28728 28861 29106 29260 29295 29574 30210 30380 30690 30723 31164 31217 31482 31806 32340 32395 32648 32860 32984 33231 33390 33418 33480 33516 34503 34980 35112 35245 35340 35805 35910 36146 36252 36456 36729 36828 37107 37240 37620 38808 38874 38955 39060 39432 39501 40068 40280 40810 40920 40964 41013 41230 41580 41895 41976 42294 42408 42966 43890 44308 44361 44520 45144 45315 45353 45570 46004 46035 46746 46872 47740 47880 48510 48972 49290 49343 49476 50085 50127 50274 51205 51832 51940 52470 52668 52920 53010 54219 54378 54684 55385 55860 56392 56430 57134 57240 57288 57505 57722 58212 58311 58520 58590 59148 60420 60760 61215 61380 61446 61845 62328 62434 62964 63441 63612 64449 64680 64790 65720 65835 66462 66780 66836 67032 68355 69006 69960 70119 70490 70680 71610 71820 72292 72504 72765 73458 73656 73935 74214 75240 77539 77748 77910 78120 78705 79002 79515 80136 80507 81620 81928 82026 82460 83160 83545 83790 84588 85701 85932 86583 87780 88616 88722 90365 90630 90706 91140 92008 92070 92169 93492 93651 95480 97020 97185 97944 98580 98686 98952 99693 100170 100254 100548 102410 103509 103880 104940 105336 105735 106020 107415 108438 108756 109368 110187 110770 111321 111720 112860 114268 115010 115444 116424 116622 116865 117180 118296 120840 122430 122760 122892 123690 124868 125685 125928 126511 126882 127224 128898 129580 131670 132924 133560 133672 135945 136059 136710 138012 140238 140980 142835 143220 143640 144305 144584 145530 146916 147870 148029 148428 150381 153615 155078 155496 155820 156085 157410 158004 159030 161014 162657 163240 164052 164920 166155 167090 167580 169176 171402 171864 172515 173166 174933 175560 177444 180730 181260 181412 182280 183645 184140 184338 185535 186984 187302 190323 194040 194370 197160 197372 197505 199386 200340 200508 201096 204820 205065 207018 209880 211470 212040 214830 216876 217512 218519 220374 221540 221805 222642 225720 226765 228536 230020 230888 232617 233244 233730 234360 241521 244860 245784 246715 247380 249736 250635 251370 253022 253764 257103 257796 259160 259749 263340 265848 271095 271890 272118 273420 276024 276507 280476 280953 281960 285670 286440 288610 291060 291555 293832 295740 296058 296856 299079 300762 307230 310156 310527 311640 312170 314820 316008 317205 317471 318060 322028 322245 325314 328104 332310 334180 335160 342804 343387 345030 346332 349866 350595 354888 361460 362520 362824 367290 368280 368676 371070 374604 379533 380646 387695 388740 394744 395010 398772 400680 401016 402535 408177 409640 410130 414036 422940 428505 429660 432915 433752 437038 440748 443080 443610 444087 445284 451143 453530 460040 460845 465234 466488 467460 468255 483042 487971 489720 493430 494760 498465 501270 502740 506044 507528 514206 515592 517545 519498 526680 542190 542773 543780 544236 546840 550935 553014 556605 560952 561906 571340 577220 582120 583110 591480 592116 598158 601524 614460 620312 621054 624340 629640 632555 634410 634942 636120 644056 644490 650628 655557 664620 668360 680295 685608 686774 690060 692664 697851 699732 701190 722920 724563 734580 737352 740145 742140 749208 751905 759066 761292 771309 775390 777480 779247 790020 797544 805070 813285 816354 820260 828072 842859 845880 857010 859320 865830 874076 874665 881496 885577 887220 888174 890568 902286 907060 921690 930468 934920 936510 951615 952413 966084 975942 986860 996930 1002540 1005480 1012088 1028412 1030161 1035090 1038996 1084380 1085546 1087560 1088472 1092595 1101870 1106028 1113210 1123812 1138599 1142680 1154440 1163085 1166220 1184232 1196316 1203048 1207605 1224531 1228920 1242108 1248680 1265110 1268820 1269884 1285515 1288980 1298745 1301256 1311114 1329240 1332261 1360590 1373548 1380120 1382535 1395702 1399464 1402380 1404765 1449126 1469160 1480290 1484280 1495395 1503810 1518132 1522584 1529633 1542618 1550780 1552635 1558494 1580040 1587355 1610140 1626570 1628319 1632708 1640520 1685718 1714020 1716935 1731660 1748152 1749330 1771154 1774440 1776348 1804572 1814120 1843380 1860936 1873020 1897665 1903230 1904826 1932168 1951884 1966671 1973720 1993860 2005080 2040885 2056824 2060322 2070180 2077992 2093553 2168760 2171092 2173689 2185190 2203740 2212056 2220435 2226420 2247624 2255715 2277198 2326170 2332440 2392632 2403709 2415210 2439855 2449062 2484216 2530220 2537640 2539768 2571030 2577960 2597490 2622228 2656731 2664522 2713865 2721180 2747096 2765070 2791404 2804760 2809530 2857239 2898252 2960580 2990790 3007620 3036264 3059266 3085236 3090483 3101560 3105270 3116988 3174710 3220280 3253140 3256638 3265416 3277785 3371436 3415797 3428040 3433870 3463320 3489255 3498660 3542308 3552696 3609144 3622815 3686760 3746040 3795330 3806460 3809652 3856545 3896235 3903768 3933342 3987720 4081770 4120644 4140360 4187106 4214295 4342184 4347378 4370380 4407480 4427885 4440870 4452840 4511430 4554396 4588899 4652340 4762065 4807418 4830420 4879710 4884957 4898124 5060440 5142060 5150805 5194980 5244456 5313462 5329044 5427730 5442360 5530140 5582808 5619060 5692995 5714478 5796504 5900013 5921160 5981580 6015240 6118532 6122655 6170472 6180966 6210540 6233976 6349420 6506280 6513276 6555570 6661305 6742872 6831594 6867740 6978510 6997320 7084616 7211127 7245630 7590660 7612920 7619304 7648165 7713090 7792470 7866684 7970193 8141595 8163540 8241288 8374212 8428590 8571717 8694756 8740760 8855770 8881740 9022860 9108792 9177798 9271449 9304680 9524130 9614836 9660840 9759420 9769914 9796248 9833355 10284120 10301610 10389960 10467765 10626924 10658088 10855460 10868445 11060280 11238120 11385990 11428956 11800026 11963160 12018545 12237064 12245310 12361932 12421080 12698840 13026552 13111140 13283655 13322610 13663188 13735480 13766697 13957020 14286195 14422254 14491260 14654871 15181320 15296330 15426180 15452415 15584940 15733368 15940386 16283190 16327080 16748424 16825963 16857180 17078985 17143434 17389512 17711540 17763480 18045720 18355596 18542898 19048260 19229672 19518840 19539828 19666710 20603220 20935530 21253848 21633381 21710920 21736890 22771980 22857912 22944495 23600052 23910579 24037090 24424785 24490620 24723864 26222280 26567310 26645220 27326376 27533394 27914040 28572390 28844508 28982520 29309742 29500065 30592660 30852360 30904830 31169880 31880772 32566380 33651926 33714360 34157970 34286868 35423080 36055635 36711192 37085796 38096520 39079656 39333420 39850965 41206440 41300091 41871060 42858585 43266762 43473780 45543960 45888990 46357245 47200104 47821158 48074180 48849570 48981240 50477889 53134620 53290440 55066788 57144780 57689016 58619484 59000130 61185320 61809660 63761544 64900143 65132760 67303852 68315940 68573736 68833485 72111270 73274355 74171592 78666840 79701930 82600182 83742120 84129815 85717170 86533524 86947560 91777980 92714490 95642316 96148360 97699140 100955778 106269240 108166905 110133576 114289560 117238968 118000260 119552895 123619320 129800286 134607704 136631880 137666970 144222540 146548710 151433667 159403860 165200364 168259630 171434340 173067048 183555960 185428980 191284632 195398280 201911556 206500455 216333810 236000520 239105790 252389445 259600572 275333940 288445080 293097420 302867334 318807720 324500715 330400728 336519260 342868680 370857960 403823112 413000910 432667620 454301001 478211580 504778890 519201144 550667880 586194840 605734668 649001430 673038520 757168335 826001820 865335240 908602002 956423160 1009557780 1211469336 1298002860 1514336670 1652003640 1817204004 2019115560 2271505005 2596005720 3028673340 3634408008 4543010010 6057346680 9086020020 18172040040
• Sum of all divisors σ(n): 85100544000
• Sum of proper divisors (its aliquot sum) s(n): 66928503960
• 18172040040 is an abundant number, because the sum of its proper divisors (66928503960) is greater than itself. Its abundance is 48756463920

Bases of 18172040040

• Binary: 10000111011001000110101001101101000₂
• Hexadecimal: 0x43B235368
• Base-36: 8CJ5VU0

Squares and roots of 18172040040

• 18172040040 squared (18172040040²) is 330223039215363201600
• 18172040040 cubed (18172040040³) is 6000826290752070282617792064000
• The square root of 18172040040 is 134803.7092961465
• The cube root of 18172040040 is 2629.0644235943

Scales and comparisons

• 18,172,040,040 seconds is equal to 577 years, 42 weeks, 2 days, 12 hours, 54 minutes.
• To count from 1 to 18,172,040,040 would take you about one thousand, one hundred fifty-five 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 18172040040 cubic inches would be around 219.1 feet tall.

Recreational maths with 18172040040

• 18172040040 backwards is 04004027181
• 18172040040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18172040040's digits is 27
• More coming soon!