18085581986031

Names of 18085581986031

• Cardinal: 18085581986031 can be written as Eighteen trillion, eighty-five billion, five hundred eighty-one million, nine hundred eighty-six thousand and thirty-one.

Scientific notation

• Scientific notation: 1.8085581986031 × 10¹³

Factors of 18085581986031

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3323

Divisors of 18085581986031

• Number of divisors d(n): 264
• Complete list of divisors:
  1 3 7 9 21 27 29 49 63 67 81 87 147 189 201 203 243 261 441 469 567 603 609 729 783 1323 1407 1421 1701 1809 1827 1943 2187 2349 3217 3283 3969 4221 4263 5103 5427 5481 5829 6561 7047 9651 9849 11907 12663 12789 13601 15309 16281 16443 17487 19683 21141 22519 28953 29547 35721 37989 38367 40803 45927 48843 49329 52461 59049 63423 67557 86859 88641 93293 95207 107163 113967 115101 122409 137781 146529 147987 157383 157633 190269 202671 215539 260577 265923 279879 285621 321489 341901 345303 367227 413343 439587 443961 472149 472899 570807 608013 646617 653051 781731 797769 839637 856863 964467 1025703 1035909 1101681 1318761 1331883 1416447 1418697 1508773 1712421 1824039 1939851 1959153 2345193 2393307 2518911 2570589 2893401 3077109 3107727 3305043 3956283 3995649 4249341 4256091 4526319 4571357 5472117 5819553 5877459 6250631 7035579 7179921 7556733 7711767 9231327 9323181 9915129 10561411 11986947 12748023 12768273 13578957 13714071 16416351 17458659 17632377 18751893 21106737 21539763 22670199 23135301 27693981 27969543 29745387 31684233 38244069 38304819 40736871 41142213 43754417 49249053 52375977 52897131 56255679 63320211 64619289 68010597 69405903 83908629 89236161 95052699 114732207 114914457 122210613 123426639 131263251 147747159 157127931 158691393 168767037 189960633 193857867 204031791 208217709 267708483 285158097 306280919 344743371 366631839 370279917 393789753 443241477 471383793 476074179 506301111 612095373 624653127 803125449 855474291 918842757 1034230113 1099895517 1110839751 1181369259 1329724431 1414151379 1428222537 1518903333 1836286119 1873959381 2566422873 2756528271 3102690339 3299686551 3332519253 3544107777 4242454137 4284667611 4556709999 5508858357 5621878143 7699268619 8269584813 9308071017 9899059653 9997557759 10632323331 12727362411 12854002833 13670129997 23097805857 24808754439 29697178959 29992673277 31896969993 38562008499 41010389991 69293417571 74426263317 89091536877 89978019831 95690909979 123031169973 207880252713 223278789951 269934059493 287072729937 369093509919 623640758139 669836369853 861218189811 2009509109559 2583654569433 6028527328677 18085581986031
• Sum of all divisors σ(n): 33143045839920
• Sum of proper divisors (its aliquot sum) s(n): 15057463853889
• 18085581986031 is a deficient number, because the sum of its proper divisors (15057463853889) is less than itself. Its deficiency is 3028118132142

Bases of 18085581986031

• Binary: 100000111001011100000101100001001100011101111₂
• Hexadecimal: 0x1072E0B098EF
• Base-36: 6ESEGK3XR

Squares and roots of 18085581986031

• 18085581986031 squared (18085581986031²) is 327088275773449010279132961
• 18085581986031 cubed (18085581986031³) is 5915581828170229373942792830479093667791
• The square root of 18085581986031 is 4252714.6607820987
• The cube root of 18085581986031 is 26248.8831505625

Scales and comparisons

• 18,085,581,986,031 seconds is equal to 575,065 years, 29 weeks, 2 days, 13 hours, 53 minutes, 51 seconds.
• To count from 1 to 18,085,581,986,031 would take you about one million, four hundred thirty-seven thousand, six hundred sixty-three 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 18085581986031 cubic inches would be around 2187.4 feet tall.

Recreational maths with 18085581986031

• 18085581986031 backwards is 13068918558081
• 18085581986031 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18085581986031's digits is 63
• More coming soon!