18181854981000

Names of 18181854981000

• Cardinal: 18181854981000 can be written as Eighteen trillion, one hundred eighty-one billion, eight hundred fifty-four million, nine hundred eighty-one thousand.

Scientific notation

• Scientific notation: 1.8181854981 × 10¹³

Factors of 18181854981000

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1790

Divisors of 18181854981000

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 31 36 40 45 50 60 62 72 75 90 93 100 109 120 124 125 150 155 180 186 200 218 225 248 250 279 300 310 327 360 372 375 436 450 465 500 545 547 558 600 620 654 744 750 775 872 900 930 981 1000 1090 1093 1094 1116 1125 1240 1308 1395 1500 1550 1635 1641 1800 1860 1962 2180 2186 2188 2232 2250 2325 2616 2725 2735 2790 3000 3100 3270 3279 3282 3379 3720 3875 3924 4360 4372 4376 4500 4650 4905 4923 5450 5465 5470 5580 6200 6540 6558 6564 6758 6975 7750 7848 8175 8205 8744 9000 9300 9810 9837 9846 10137 10900 10930 10940 11160 11625 13080 13116 13128 13516 13625 13675 13950 15500 16350 16395 16410 16895 16957 18600 19620 19674 19692 20274 21800 21860 21880 23250 24525 24615 26232 27032 27250 27325 27350 27900 30411 31000 32700 32790 32820 33790 33883 33914 34875 39240 39348 39384 40548 40875 41025 43720 46500 49050 49185 49230 50685 50871 54500 54650 54700 55800 59623 60822 65400 65580 65640 67580 67766 67828 68375 69750 78696 81096 81750 81975 82050 84475 84785 93000 98100 98370 98460 101370 101649 101742 109000 109300 109400 119137 119246 121644 122625 123075 131160 135160 135532 135656 136625 136750 139500 152055 152613 163500 163950 164100 168950 169415 169570 178869 196200 196740 196920 202740 203298 203484 205125 218600 238274 238492 243288 245250 245925 246150 253425 254355 271064 273250 273500 279000 298115 304110 304947 305226 327000 327900 328200 337900 338830 339140 357411 357738 393480 405480 406596 406968 409875 410250 422375 423925 476548 476984 490500 491850 492300 506850 508245 508710 536607 546500 547000 595685 596230 597871 608220 609894 610452 615375 655800 675800 677660 678280 714822 715476 760275 763065 813192 819750 820500 844750 847075 847850 894345 953096 981000 983700 984600 1013700 1016490 1017420 1072233 1073214 1093000 1191370 1192460 1195742 1216440 1219788 1220904 1229625 1230750 1267125 1271775 1355320 1429644 1430952 1490575 1520550 1524735 1526130 1639500 1641000 1689500 1694150 1695700 1787055 1788690 1793613 1848313 1967400 2027400 2032980 2034840 2119625 2144466 2146428 2382740 2384920 2391484 2439576 2459250 2461500 2534250 2541225 2543550 2683035 2859288 2978425 2981150 2989355 3041100 3049470 3052260 3279000 3379000 3388300 3391400 3574110 3577380 3587226 3693247 3696626 3801375 3815325 4065960 4235375 4239250 4288932 4292856 4471725 4765480 4782968 4918500 4923000 5068500 5082450 5087100 5361165 5366070 5380839 5544939 5956850 5962300 5978710 6082200 6098940 6104520 6358875 6776600 7148220 7154760 7174452 7386494 7393252 7452875 7602750 7623675 7630650 8470750 8478500 8577864 8935275 8943450 8968065 9241565 9837000 10137000 10164900 10174200 10722330 10732140 10761678 11079741 11089878 11913700 11924600 11957420 12197880 12706125 12717750 13415175 14296440 14348904 14772988 14786504 14892125 14905750 14946775 15205500 15247350 15261300 16634817 16941500 16957000 17870550 17886900 17936130 18466235 18483130 18534001 19076625 20329800 21444660 21464280 21523356 22159482 22179756 22358625 23827400 23914840 25412250 25435500 26805825 26830350 26904195 27724695 29545976 29784250 29811500 29893550 30411000 30494700 30522600 33239223 33269634 33883000 35741100 35773800 35872260 36932470 36966260 37068002 38118375 38153250 42889320 43046712 44318964 44359512 44676375 44717250 44840325 46207825 50824500 50871000 53611650 53660700 53808390 55398705 55449390 55602003 59568500 59623000 59787100 60989400 65167939 66478446 66539268 67075875 71482200 71744520 73864940 73932520 74136004 74733875 76236750 76306500 83174085 88637928 89352750 89434500 89680650 92331175 92415650 92670005 101649000 107223300 107321400 107616780 110797410 110898780 111204006 119137000 119574200 130335878 132956892 133078536 134029125 134151750 134520975 138623475 147729880 148272008 149467750 152473500 152613000 166196115 166348170 166806009 178705500 178869000 179361300 184662350 184831300 185340010 195503817 214446600 215233560 221594820 221797560 222408012 224201625 231039125 260671756 265913784 268058250 268303500 269041950 276993525 277246950 278010015 298935500 304947000 325839695 332392230 332696340 333612018 357411000 358722600 369324700 369662600 370680020 391007634 415870425 443189640 444816024 448403250 461655875 462078250 463350025 521343512 536116500 536607000 538083900 553987050 554493900 556020030 586511451 597871000 651679390 664784460 665392680 667224036 672604875 693117375 738649400 741360040 782015268 830980575 831740850 834030045 896806500 923311750 924156500 926700050 977519085 1072233000 1076167800 1107974100 1108987800 1112040060 1173022902 1303358780 1329568920 1334448072 1345209750 1384967625 1386234750 1390050075 1564030536 1629198475 1661961150 1663481700 1668060090 1793613000 1846623500 1848313000 1853400100 1955038170 2020206109 2079352125 2215948200 2224080120 2316750125 2346045804 2606717560 2690419500 2769935250 2772469500 2780100150 2932557255 3258396950 3323922300 3326963400 3336120180 3693247000 3706800200 3910076340 4040412218 4154902875 4158704250 4170150225 4633500250 4692091608 4887595425 5380839000 5539870500 5544939000 5560200300 5865114510 6060618327 6516793900 6647844600 6672240360 6950250375 7820152680 8080824436 8145992375 8309805750 8317408500 8340300450 9267000500 9775190850 10101030545 11079741000 11120400600 11730229020 12121236654 13033587800 13900500750 14662786275 16161648872 16291984750 16619611500 16634817000 16680600900 18181854981 18534001000 19550381700 20202061090 20850751125 23460458040 24242473308 24437977125 27801001500 29325572550 30303091635 32583969500 33239223000 33361201800 36363709962 39100763400 40404122180 41701502250 48484946616 48875954250 50505152725 55602003000 58651145100 60606183270 65167939000 72727419924 73313931375 80808244360 83403004500 90909274905 97751908500 101010305450 117302290200 121212366540 145454839848 146627862750 151515458175 166806009000 181818549810 195503817000 202020610900 242424733080 252525763625 293255725500 303030916350 363637099620 404041221800 454546374525 505051527250 586511451000 606061832700 727274199240 757577290875 909092749050 1010103054500 1212123665400 1515154581750 1818185498100 2020206109000 2272731872625 3030309163500 3636370996200 4545463745250 6060618327000 9090927490500 18181854981000
• Sum of all divisors σ(n): 64194785740800
• Sum of proper divisors (its aliquot sum) s(n): 46012930759800
• 18181854981000 is an abundant number, because the sum of its proper divisors (46012930759800) is greater than itself. Its abundance is 27831075778800

Bases of 18181854981000

• Binary: 100001000100101001011000000011110101110001000₂
• Hexadecimal: 0x10894B01EB88
• Base-36: 6G0MN0IA0

Squares and roots of 18181854981000

• 18181854981000 squared (18181854981000²) is 330579850550114510361000000
• 18181854981000 cubed (18181854981000³) is 6010554902342835100327523958141000000000
• The square root of 18181854981000 is 4264018.6421965839
• The cube root of 18181854981000 is 26295.3766834887

Scales and comparisons

• 18,181,854,981,000 seconds is equal to 578,126 years, 38 weeks, 6 days, 8 hours, 30 minutes.
• To count from 1 to 18,181,854,981,000 would take you about one million, four hundred forty-five thousand, three hundred sixteen 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 18181854981000 cubic inches would be around 2191.3 feet tall.

Recreational maths with 18181854981000

• 18181854981000 backwards is 00018945818181
• The number of decimal digits it has is: 14
• The sum of 18181854981000's digits is 54
• More coming soon!