18195843116871

Names of 18195843116871

• Cardinal: 18195843116871 can be written as Eighteen trillion, one hundred ninety-five billion, eight hundred forty-three million, one hundred sixteen thousand, eight hundred seventy-one.

Scientific notation

• Scientific notation: 1.8195843116871 × 10¹³

Factors of 18195843116871

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3387

Divisors of 18195843116871

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 21 23 29 41 49 63 67 69 87 123 147 161 201 203 207 261 287 343 369 441 469 483 603 609 667 861 943 1029 1127 1189 1407 1421 1449 1541 1827 1943 2001 2009 2583 2747 2829 3087 3217 3283 3381 3567 4221 4263 4623 4669 5829 6003 6027 6601 7889 8241 8323 8487 9651 9849 9947 10143 10701 10787 12789 13601 13869 14007 14063 17487 18081 19229 19803 22519 22981 23667 24723 24969 27347 28953 29547 29841 32361 32683 40803 42021 42189 44689 46207 57687 58261 59409 63181 67557 68943 71001 73991 74907 75509 79663 82041 89523 93293 95207 97083 98049 122409 126567 131897 134067 134603 138621 157633 173061 174783 189543 191429 202671 206829 215539 221973 226527 228781 238989 246123 279879 285621 294147 312823 323449 395691 402201 403809 407827 415863 442267 472899 517937 524349 528563 557641 568629 574287 646617 653051 665919 666449 679581 686343 716967 839637 856863 923279 938469 942221 970347 1103431 1187073 1211427 1223481 1326801 1340003 1418697 1508773 1553811 1585689 1672923 1722861 1832249 1939851 1959153 1999347 2059029 2145739 2189761 2769837 2815407 2826663 2911041 3033631 3095869 3310293 3625559 3670443 3825013 3903487 3980403 4020009 4526319 4571357 4661433 4757067 4957397 5018769 5496747 5877459 5998041 6250631 6437217 6462953 6569283 8309511 8479989 8837099 9100893 9287607 9380021 9930879 10561411 10876677 11475039 11710461 12060027 12825743 13578957 13714071 14872191 15020173 15328327 16490241 18751893 19311651 19388859 19707849 21235417 21671083 25378913 26511297 26775091 27302679 27324409 27862821 28140063 31684233 31999499 32630031 34425117 34701779 35131383 38477229 41142213 43754417 44616573 45060519 45240671 45984981 56255679 58166577 61859693 63706251 65013249 73929877 76136739 79533891 80325273 81973227 84420189 87975299 89780201 95052699 95998497 104105337 105141211 115431687 131263251 135181557 135722013 137954943 143764513 148647919 185579079 187425637 191118753 195039747 203253277 221789631 228410217 240975819 242912453 245919681 256275871 263925897 269340603 287995491 306280919 312316011 315423633 393789753 407166039 431293539 433017851 445943757 556737237 562276911 609759831 615827093 628461407 665368893 728737359 735988477 768827613 791777691 808021809 918842757 946270899 1006351591 1040535433 1293880617 1299053553 1311979459 1337831271 1422772939 1686830733 1700387171 1793931097 1829279493 1847481279 1885384221 2143966433 2186212077 2207965431 2306482839 2756528271 3019054773 3031124957 3121606299 3897160659 3935938377 4268318817 4310789651 5101161513 5381793291 5542443837 5656152663 5894345033 6431899299 6623896293 7044461137 9057164319 9093374871 9364818897 9959410573 11807815131 12557517679 12804956451 12932368953 15303484539 16145379873 17683035099 19295697897 21133383411 27280124613 29878231719 30175527557 37672553037 38797106859 41260415231 49311227959 53049105297 63400150233 69715874011 87902623753 89634695157 90526582671 113017659111 123781245693 147933683877 209147622033 263707871259 271579748013 288822906617 371343737079 443801051631 627442866099 791123613777 866468719851 2021760346319 2599406159553 6065281038957 18195843116871
• Sum of all divisors σ(n): 34409636352000
• Sum of proper divisors (its aliquot sum) s(n): 16213793235129
• 18195843116871 is a deficient number, because the sum of its proper divisors (16213793235129) is less than itself. Its deficiency is 1982049881742

Bases of 18195843116871

• Binary: 100001000110010001100110000111110111101000111₂
• Hexadecimal: 0x108C8CC3EF47
• Base-36: 6G71Z6SZR

Squares and roots of 18195843116871

• 18195843116871 squared (18195843116871²) is 331088706733781748164830641
• 18195843116871 cubed (18195843116871³) is 6024438165495603730556603154997284844311
• The square root of 18195843116871 is 4265658.5795010599
• The cube root of 18195843116871 is 26302.1183684401

Scales and comparisons

• 18,195,843,116,871 seconds is equal to 578,571 years, 27 weeks, 3 days, 1 hour, 47 minutes, 51 seconds.
• To count from 1 to 18,195,843,116,871 would take you about one million, four hundred forty-six thousand, four hundred twenty-eight 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 18195843116871 cubic inches would be around 2191.8 feet tall.

Recreational maths with 18195843116871

• 18195843116871 backwards is 17861134859181
• 18195843116871 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18195843116871's digits is 63
• More coming soon!