18645183018

Names of 18645183018

• Cardinal: 18645183018 can be written as Eighteen billion, six hundred forty-five million, one hundred eighty-three thousand and eighteen.

Scientific notation

• Scientific notation: 1.8645183018 × 10¹⁰

Factors of 18645183018

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 229

Divisors of 18645183018

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 19 21 22 27 33 38 42 53 54 57 61 63 66 73 77 99 106 114 122 126 133 146 154 159 171 183 189 198 209 219 231 266 297 318 342 366 371 378 399 418 427 438 462 477 511 513 549 583 594 627 657 671 693 742 798 803 854 954 1007 1022 1026 1098 1113 1159 1166 1197 1254 1281 1314 1342 1386 1387 1431 1463 1533 1606 1647 1749 1881 1971 2013 2014 2079 2226 2318 2394 2409 2562 2774 2862 2926 3021 3066 3233 3294 3339 3477 3498 3591 3762 3843 3869 3942 4026 4081 4158 4161 4389 4453 4599 4697 4818 5247 5621 5643 6039 6042 6466 6678 6954 7049 7182 7227 7686 7738 8113 8162 8322 8778 8906 9063 9198 9394 9699 9709 10017 10431 10494 11077 11242 11286 11529 11607 12078 12243 12483 12749 13167 13359 13797 14091 14098 14454 15257 15741 16226 16863 18117 18126 19398 19418 20034 20862 21147 21681 22154 22631 23058 23214 24339 24486 24966 25498 26334 26718 27083 27189 27594 28182 29097 29127 30514 31171 31293 31482 33231 33726 34821 35563 36234 36729 37449 38247 39501 40077 42273 42294 42559 43362 45262 45771 48678 48983 50589 54166 54378 58194 58254 61427 62342 62586 63441 66462 67893 69642 71126 73017 73458 73511 74898 76494 77539 79002 80154 81249 84546 84607 85118 87291 87381 89243 91542 93513 97966 99693 101178 104463 106689 106799 110187 114741 120231 122854 126819 126882 127677 135786 137313 146034 146949 147022 151767 155078 162498 169214 174582 174762 178486 184281 187026 190323 199386 203679 208926 213378 213598 219051 220374 220533 229482 232617 236009 240462 243747 248941 253638 253821 255354 262143 267729 274626 280539 293898 297913 299079 303534 320067 320397 342881 344223 368562 380646 383031 407358 411939 429989 438102 440847 441066 465234 472018 487494 497882 507642 514577 524286 535458 552843 561078 592249 595826 598158 611037 640134 640794 661599 675697 685762 688446 697851 708027 731241 746823 761463 766062 803187 808621 823878 841617 859978 881694 893739 930677 960201 961191 1028643 1029154 1105686 1149093 1184498 1222074 1289967 1322541 1323198 1351394 1395702 1416054 1462482 1493646 1522926 1543731 1606374 1617242 1652063 1658529 1683234 1776747 1787478 1861354 1920402 1922382 1984797 2027091 2057286 2093553 2124081 2240469 2284389 2298186 2409561 2425863 2579934 2596099 2645082 2681217 2792031 2883573 3085929 3087462 3304126 3317058 3553494 3869901 3969594 4054182 4187106 4248162 4480938 4484171 4568778 4631193 4729879 4819122 4851726 4956189 5192198 5330241 5362434 5584062 5660347 5767146 6081273 6171858 6372243 6514739 6721407 7277589 7739802 7788297 8043651 8376093 8968342 9257787 9262386 9459758 9912378 10660482 11320694 11609703 12162546 12744486 13029478 13442814 13452513 13893579 14189637 14555178 14868567 15576594 15990723 16087302 16752186 16981041 18172693 18243819 18515574 19544217 21832767 23219406 23364891 25128279 26905026 27787158 28379274 29737134 31389197 31981446 33962082 36345386 36487638 39088434 40357539 42568911 43665534 44605701 46729782 49325881 50256558 50943123 54518079 58632651 62778394 70094673 80715078 85137822 89211402 94167591 98651762 101886246 109036158 117265302 121072617 127706733 140189346 147977643 152829369 163554237 175897953 188335182 242145234 255413466 282502773 295955286 305658738 327108474 345281167 351795906 443932929 490662711 565005546 690562334 847508319 887865858 981325422 1035843501 1331798787 1695016638 2071687002 2663597574 3107530503 6215061006 9322591509 18645183018
• Sum of all divisors σ(n): 57082060800
• Sum of proper divisors (its aliquot sum) s(n): 38436877782
• 18645183018 is an abundant number, because the sum of its proper divisors (38436877782) is greater than itself. Its abundance is 19791694764

Bases of 18645183018

• Binary: 10001010111010101101110101000101010₂
• Hexadecimal: 0x45756EA2A
• Base-36: 8KCUZAI

Squares and roots of 18645183018

• 18645183018 squared (18645183018²) is 347642849774715588324
• 18645183018 cubed (18645183018³) is 6481864558948652213198523881832
• The square root of 18645183018 is 136547.3654744021
• The cube root of 18645183018 is 2651.6867399891

Scales and comparisons

• 18,645,183,018 seconds is equal to 592 years, 44 weeks, 4 days, 17 hours, 30 minutes, 18 seconds.
• To count from 1 to 18,645,183,018 would take you about one thousand, one hundred eighty-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 18645183018 cubic inches would be around 221 feet tall.

Recreational maths with 18645183018

• 18645183018 backwards is 81038154681
• The number of decimal digits it has is: 11
• The sum of 18645183018's digits is 45
• More coming soon!