18185421331017

Names of 18185421331017

• Cardinal: 18185421331017 can be written as Eighteen trillion, one hundred eighty-five billion, four hundred twenty-one million, three hundred thirty-one thousand and seventeen.

Scientific notation

• Scientific notation: 1.8185421331017 × 10¹³

Factors of 18185421331017

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 857

Divisors of 18185421331017

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 9 27 29 53 81 87 89 159 243 261 267 477 683 729 783 801 1431 1537 2049 2187 2349 2403 2581 4293 4611 4717 6147 7047 7209 7743 7921 12879 13833 14151 18441 19807 21141 21627 23229 23763 36199 38637 41499 42453 55323 59421 60787 63423 64881 69687 71289 108597 115911 124497 127359 136793 165969 178263 182361 194643 209061 213867 229709 325791 373491 382077 410379 419813 497907 534789 547083 627183 641601 689127 977373 1049771 1120473 1146231 1231137 1259439 1493721 1604367 1641249 1762823 1881549 1924803 2067381 2932119 3149313 3221711 3361419 3438693 3693411 3778317 4813101 4923747 5288469 5410043 5644647 5774409 6202143 8796357 9447939 9665133 10316079 11080233 11334951 12174577 14439303 14771241 15865407 16230129 17323227 18606429 26389071 28343817 28995399 33240699 34004853 36523731 43317909 44313723 47596221 48690387 55819287 79167213 85031451 86986197 93429619 99722097 102014559 109571193 132941169 142788663 146071161 156891247 167457861 255094353 260958591 280288857 286732279 299166291 306043677 328713579 428365989 438213483 470673741 502373583 765283059 782875773 840866571 860196837 918131031 986140737 1285097967 1314640449 1412021223 2295849177 2348627319 2522599713 2580590511 2958422211 3855293901 3943921347 4236063669 7045881957 7567799139 7741771533 8315236091 8875266633 11831764041 12708191007 22703397417 23225314599 24945708273 26625799899 38124573021 68110192251 69675943797 74837124819 114373719063 204330576753 209027831391 224511374457 343121157189 627083494173 673534123371 2020602370113 6061807110339 18185421331017
• Sum of all divisors σ(n): 29115998726400
• Sum of proper divisors (its aliquot sum) s(n): 10930577395383
• 18185421331017 is a deficient number, because the sum of its proper divisors (10930577395383) is less than itself. Its deficiency is 7254843935634

Bases of 18185421331017

• Binary: 100001000101000011111100101000001101001001001₂
• Hexadecimal: 0x108A1F941A49
• Base-36: 6G29MBRK9

Squares and roots of 18185421331017

• 18185421331017 squared (18185421331017²) is 330709548986608115886254289
• 18185421331017 cubed (18185421331017³) is 6014092486512074726308381054840904981913
• The square root of 18185421331017 is 4264436.8128765841
• The cube root of 18185421331017 is 26297.0958404235

Scales and comparisons

• 18,185,421,331,017 seconds is equal to 578,240 years, 7 weeks, 4 days, 13 hours, 16 minutes, 57 seconds.
• To count from 1 to 18,185,421,331,017 would take you about one million, four hundred forty-five thousand, six hundred 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 18185421331017 cubic inches would be around 2191.4 feet tall.

Recreational maths with 18185421331017

• 18185421331017 backwards is 71013312458181
• The number of decimal digits it has is: 14
• The sum of 18185421331017's digits is 45
• More coming soon!