18189851400

Names of 18189851400

• Cardinal: 18189851400 can be written as Eighteen billion, one hundred eighty-nine million, eight hundred fifty-one thousand, four hundred.

Scientific notation

• Scientific notation: 1.81898514 × 10¹⁰

Factors of 18189851400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 110

Divisors of 18189851400

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 19 20 21 24 25 27 28 30 31 35 36 38 40 42 43 45 50 54 56 57 60 62 63 70 72 75 76 84 86 90 93 95 100 105 108 114 120 124 126 129 133 135 140 150 152 155 168 171 172 175 180 186 189 190 200 210 215 216 217 225 228 248 252 258 266 270 279 280 285 300 301 310 315 342 344 350 360 361 372 378 380 387 399 420 430 434 450 456 465 475 504 513 516 525 532 540 558 570 589 600 602 620 630 645 651 665 675 684 700 722 744 756 760 774 775 798 817 837 840 855 860 868 900 903 930 945 950 1026 1032 1050 1064 1075 1080 1083 1085 1116 1140 1161 1178 1197 1204 1240 1260 1290 1302 1330 1333 1350 1368 1395 1400 1425 1444 1505 1512 1548 1550 1575 1596 1634 1674 1710 1720 1736 1767 1800 1805 1806 1860 1890 1900 1935 1953 1995 2052 2100 2150 2166 2170 2232 2280 2322 2325 2356 2394 2408 2451 2520 2527 2565 2580 2604 2660 2666 2700 2709 2790 2850 2888 2945 3010 3096 3100 3150 3192 3225 3249 3255 3268 3325 3348 3420 3534 3591 3610 3612 3720 3780 3800 3870 3906 3990 3999 4085 4104 4123 4185 4200 4275 4300 4332 4340 4515 4644 4650 4712 4725 4788 4902 5054 5130 5160 5208 5301 5320 5332 5400 5415 5418 5425 5580 5700 5719 5805 5859 5890 5985 6020 6200 6300 6450 6498 6510 6536 6650 6665 6696 6840 6975 7068 7182 7220 7224 7353 7525 7560 7581 7740 7812 7980 7998 8127 8170 8246 8370 8550 8600 8664 8680 8835 9025 9030 9288 9300 9331 9450 9576 9675 9747 9765 9804 9975 10108 10260 10602 10664 10830 10836 10850 11160 11191 11400 11438 11610 11718 11780 11970 11997 12040 12255 12369 12600 12635 12825 12900 12996 13020 13300 13330 13545 13950 14136 14364 14440 14706 14725 15050 15162 15480 15523 15624 15903 15960 15996 16245 16254 16275 16340 16492 16740 17100 17157 17670 17955 18050 18060 18600 18662 18900 19350 19494 19530 19608 19950 19995 20216 20425 20520 20615 20925 21204 21660 21672 21700 22059 22382 22575 22743 22876 23220 23436 23560 23940 23994 24510 24738 25270 25327 25650 25800 25992 26040 26505 26600 26660 27075 27090 27900 27993 28595 28728 29025 29295 29412 29450 29925 30100 30324 31046 31806 31992 32490 32508 32550 32680 32984 33325 33480 33573 34200 34314 35340 35910 35991 36100 36120 36765 37107 37324 37800 37905 38700 38988 39060 39900 39990 40635 40850 41230 41850 42408 43320 43400 44118 44175 44764 45150 45486 45752 46440 46569 46655 46872 47880 47988 48735 48825 49020 49476 50540 50654 51300 51471 53010 53320 54150 54180 55800 55955 55986 57190 58050 58590 58824 58900 59850 59985 60200 60648 61275 61845 62092 63175 63612 64980 65016 65100 66650 67146 67725 68229 68628 70680 71820 71982 72200 73530 74214 74648 75810 75981 77400 77615 77976 78120 78337 79515 79800 79980 81225 81270 81700 82460 83700 83979 85785 88236 88350 89528 89775 90300 90972 93138 93310 95976 97470 97650 98040 98952 99975 100719 101080 101308 102600 102942 103075 106020 108300 108360 108661 110295 111321 111910 111972 113715 114380 116100 117180 117800 119700 119970 122550 123690 124184 126350 126635 127224 129960 130200 132525 133300 134292 135450 136458 137256 139707 139965 142975 143640 143964 146475 147060 148428 151620 151962 154413 155230 156674 159030 159960 162450 162540 163400 164920 167400 167865 167958 171570 176472 176700 177289 179550 179955 180600 181944 183825 185535 186276 186620 189525 194940 195300 199950 201438 202616 203175 205884 206150 212040 216600 217322 220590 222642 223820 223944 227430 227943 228760 232200 232845 233275 234360 235011 239400 239940 243675 245100 247380 251937 252700 253270 257355 265050 266600 268584 270900 272916 279414 279775 279930 285950 287928 292950 294120 296856 299925 302157 303240 303924 308826 309225 310460 313348 318060 324900 325080 325983 335730 335916 341145 343140 353400 354578 359100 359910 367650 371070 372552 373240 379050 379905 388075 389880 390600 391685 397575 399900 402876 406350 411768 412300 419121 419895 428925 434644 441180 445284 447640 454860 455886 465690 466550 470022 479880 481213 487350 490200 494760 503595 503874 505400 506540 514710 530100 531867 541800 543305 545832 551475 556605 558828 559550 559860 568575 571900 585900 599850 604314 607848 617652 618450 620920 626696 633175 636120 649800 651966 671460 671832 682290 683829 686280 698535 699825 705033 709156 718200 719820 735300 742140 758100 759810 772065 776150 783370 795150 799800 805752 812700 824600 838242 839325 839790 857850 869288 882360 886445 890568 899775 909720 911772 927675 931380 933100 940044 962426 974700 977949 1007190 1007748 1013080 1029420 1060200 1063734 1086610 1102950 1113210 1117656 1119100 1119720 1137150 1139715 1143800 1164225 1171800 1175055 1199700 1208628 1235304 1236900 1259685 1266350 1286775 1303932 1342920 1364580 1367658 1397070 1399650 1410066 1418312 1439640 1443639 1470600 1484280 1510785 1516200 1519620 1544130 1552300 1566740 1590300 1595601 1625400 1629915 1676484 1678650 1679580 1705725 1715700 1772890 1799550 1823544 1855350 1862760 1866200 1880088 1899525 1924852 1949400 1955898 1958425 2014380 2015496 2058840 2095605 2099475 2115099 2127468 2173220 2205900 2226420 2238200 2274300 2279430 2328450 2350110 2399400 2406065 2417256 2473800 2517975 2519370 2532700 2573550 2607864 2659335 2716525 2729160 2735316 2783025 2794140 2799300 2820132 2887278 2933847 3021570 3039240 3088260 3104600 3133480 3180600 3191202 3259830 3352968 3357300 3359160 3368491 3411450 3419145 3431400 3492675 3525165 3545780 3599100 3710700 3799050 3849704 3860325 3911796 3916850 4028760 4191210 4198950 4230198 4254936 4330917 4346440 4411800 4432225 4452840 4548600 4558860 4656900 4700220 4786803 4812130 4889745 5035950 5038740 5065400 5147100 5318670 5433050 5470632 5566050 5588280 5598600 5640264 5698575 5774556 5867694 5875275 6043140 6176520 6298425 6382404 6519660 6714600 6736982 6822900 6838290 6985350 7050330 7091560 7198200 7218195 7421400 7553925 7598100 7720650 7823592 7833700 7978005 8149575 8382420 8397900 8460396 8661834 8864450 9117720 9313800 9400440 9573606 9624260 9779490 10071900 10077480 10105473 10294200 10478025 10575495 10637340 10866100 11132100 11397150 11549112 11735388 11750550 12030325 12086280 12596850 12764808 12992751 13039320 13296675 13473964 13645800 13676580 13970700 14100660 14436390 14669235 15107850 15196200 15441300 15667400 15956010 16299150 16764840 16795800 16842455 16920792 17095725 17323668 17625825 17728900 19147212 19248520 19558980 20143800 20210946 20956050 21150990 21274680 21654585 21732200 22264200 22794300 23470776 23501100 23934015 24060650 24448725 25193700 25985502 26593350 26947928 27353160 27941400 28201320 28872780 29338470 30215700 30316419 30882600 31912020 32598300 33684910 34191450 34647336 35251650 35457800 36090975 38294424 39117960 39890025 40421892 41912100 42301980 43309170 45588600 47002200 47868030 48121300 48897450 50387400 50527365 51971004 52877475 53186700 57745560 58676940 60431400 60632838 63824040 64963755 65196600 67369820 68382900 70503300 72181950 73346175 79780050 80843784 83824200 84212275 84603960 86618340 90949257 95736060 96242600 97794900 101054730 103942008 105754950 106373400 108272925 117353880 119670075 121265676 129927510 134739640 136765800 141006600 144363900 146692350 151582095 159560100 168424550 173236680 181898514 191472120 195589800 202109460 211509900 216545850 239340150 242531352 252636825 259855020 288727800 293384700 303164190 319120200 324818775 336849100 363797028 404218920 423019800 433091700 454746285 478680300 505273650 519710040 586769400 606328380 649637550 673698200 727594056 757910475 866183400 909492570 957360600 1010547300 1212656760 1299275100 1515820950 1818985140 2021094600 2273731425 2598550200 3031641900 3637970280 4547462850 6063283800 9094925700 18189851400
• Sum of all divisors σ(n): 79823462400
• Sum of proper divisors (its aliquot sum) s(n): 61633611000
• 18189851400 is an abundant number, because the sum of its proper divisors (61633611000) is greater than itself. Its abundance is 43443759600

Bases of 18189851400

• Binary: 10000111100001100110001101100001000₂
• Hexadecimal: 0x43C331B08
• Base-36: 8CTRN60

Squares and roots of 18189851400

• 18189851400 squared (18189851400²) is 330870693954081960000
• 18189851400 cubed (18189851400³) is 6018488755639629275820744000000
• The square root of 18189851400 is 134869.7571733559
• The cube root of 18189851400 is 2629.9231039601

Scales and comparisons

• 18,189,851,400 seconds is equal to 578 years, 19 weeks, 5 days, 16 hours, 30 minutes.
• To count from 1 to 18,189,851,400 would take you about one thousand, one hundred fifty-six 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 18189851400 cubic inches would be around 219.2 feet tall.

Recreational maths with 18189851400

• 18189851400 backwards is 00415898181
• 18189851400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18189851400's digits is 45
• More coming soon!