181130121018

Names of 181130121018

• Cardinal: 181130121018 can be written as One hundred eighty-one billion, one hundred thirty million, one hundred twenty-one thousand and eighteen.

Scientific notation

• Scientific notation: 1.81130121018 × 10¹¹

Factors of 181130121018

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 412

Divisors of 181130121018

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 29 33 42 49 58 63 66 77 79 87 98 99 126 147 154 158 174 198 203 231 237 261 281 294 319 406 441 462 474 522 539 553 562 609 638 693 711 841 843 869 882 957 1078 1106 1218 1386 1421 1422 1617 1659 1682 1686 1738 1827 1914 1967 2233 2291 2523 2529 2607 2842 2871 3091 3234 3318 3654 3871 3934 4263 4466 4582 4851 4977 5046 5058 5214 5742 5887 5901 6083 6182 6699 6873 7569 7742 7821 8149 8526 9251 9273 9702 9954 11613 11774 11802 12166 12789 13398 13746 13769 15138 15631 15642 16037 16298 17661 17703 18249 18502 18546 20097 20619 21637 22199 23226 24447 25201 25578 27538 27753 27819 31262 32074 34839 35322 35406 36498 40194 41209 41238 41307 42581 43274 44398 46893 48111 48894 50402 52983 54747 55506 55638 57043 64757 64911 66439 66597 69678 73341 75603 82418 82614 83259 85162 89639 93786 96222 105966 109494 112259 114086 123627 123921 127743 129514 129822 132878 133194 140679 144333 146682 151206 151459 155393 166518 171129 176407 179278 194271 194733 199317 199791 224518 226809 236321 244189 247254 247842 255486 268917 281358 288666 302918 310786 336777 342258 352814 370881 383229 388542 389466 398634 399301 399582 453299 453618 454377 465073 466179 472642 488378 513387 529221 537834 582813 597951 627473 643771 673554 708963 730829 732567 741762 766458 798602 806751 906598 908754 930146 932358 1010331 1026774 1058442 1087751 1165626 1195902 1197903 1234849 1254946 1287542 1359897 1363131 1395219 1398537 1417926 1461658 1465134 1587663 1613502 1654247 1709323 1882419 1931313 2020662 2126889 2175502 2192487 2197701 2395806 2469698 2599531 2719794 2726262 2790438 2797074 3175326 3255511 3263253 3308494 3418646 3593709 3704547 3764838 3862626 4079691 4185657 4253778 4384974 4392311 4395402 4506397 4962741 5115803 5127969 5199062 5647257 5793939 6511022 6526506 6577461 7081481 7187418 7409094 7798593 8159382 8371314 8784622 9012794 9766533 9789759 9925482 10231606 10255938 11113641 11294514 11579729 11587878 11965261 13154922 13176933 13519191 14162962 14888223 15347409 15383907 15597186 18196717 18669359 19533066 19579518 21244443 22227282 23159458 23395779 23930522 26353866 27038382 29299599 29776446 30694818 30767814 31544779 34739187 35810621 35895783 36393434 37338718 39530799 40557573 42488886 46042227 46791558 49570367 54590151 56008077 58599198 63089558 63733329 69478374 71621242 71791566 79061598 81115146 92084454 94634337 99140734 104217561 107431863 107687349 109180302 112016154 127377019 127466658 130685513 148711101 163770453 168024231 189268674 205362949 208435122 214863726 215374698 254754038 261371026 283903011 297422202 322295589 327540906 336048462 346992569 382131057 392056539 410725898 446133303 567806022 616088847 644591178 693985138 764262114 784113078 892266606 914798591 1040977707 1146393171 1176169617 1232177694 1437540643 1829597182 1848266541 2081955414 2292786342 2352339234 2744395773 2875081286 3122933121 3696533082 4312621929 5488791546 6245866242 8233187319 8625243858 10062784501 12937865787 16466374638 20125569002 25875731574 30188353503 60376707006 90565060509 181130121018
• Sum of all divisors σ(n): 524176997760
• Sum of proper divisors (its aliquot sum) s(n): 343046876742
• 181130121018 is an abundant number, because the sum of its proper divisors (343046876742) is greater than itself. Its abundance is 161916755724

Bases of 181130121018

• Binary: 10101000101100001100100100111100111010₂
• Hexadecimal: 0x2A2C324F3A
• Base-36: 2B7K73UI

Squares and roots of 181130121018

• 181130121018 squared (181130121018²) is 32808120739995325356324
• 181130121018 cubed (181130121018³) is 5942538880008508994545250091617832
• The square root of 181130121018 is 425593.8451364165
• The cube root of 181130121018 is 5658.0080249249

Scales and comparisons

• 181,130,121,018 seconds is equal to 5,759 years, 19 weeks, 4 days, 10 hours, 30 minutes, 18 seconds.
• To count from 1 to 181,130,121,018 would take you about eleven thousand, five hundred eighteen 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 181130121018 cubic inches would be around 471.5 feet tall.

Recreational maths with 181130121018

• 181130121018 backwards is 810121031181
• The number of decimal digits it has is: 12
• The sum of 181130121018's digits is 27
• More coming soon!