18197369843325309

Names of 18197369843325309

• Cardinal: 18197369843325309 can be written as Eighteen quadrillion, one hundred ninety-seven trillion, three hundred sixty-nine billion, eight hundred forty-three million, three hundred twenty-five thousand, three hundred nine.

Scientific notation

• Scientific notation: 1.8197369843325309 × 10¹⁶

Factors of 18197369843325309

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16286

Divisors of 18197369843325309

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 7 9 13 21 39 49 61 63 91 117 147 169 183 273 427 441 507 549 637 793 819 1183 1281 1521 1911 2379 2989 3549 3721 3843 5551 5733 7137 8011 8191 8281 8967 10309 10647 11163 16653 24033 24573 24843 26047 26901 30927 33489 38857 48373 49959 56077 57337 72099 72163 73719 74529 78141 92781 104143 106483 116571 145119 168231 172011 182329 216489 234423 312429 319449 338611 349713 392539 401359 435357 488671 499651 504693 505141 516033 546987 628849 649467 729001 745381 937287 958347 1015833 1177617 1204077 1353859 1384279 1466013 1498953 1515423 1640961 1886547 2187003 2236143 2370277 3047499 3420697 3497557 3532851 3612231 4061577 4152837 4398039 4401943 4496859 4546269 5103007 5217667 5659641 6352723 6495463 6561009 6708429 7110831 9477013 9689953 10262091 10492671 12184731 12458511 13205829 15309021 15653001 19058169 19486389 21332493 23944879 24482899 28431039 29069859 29808931 30478711 30786273 30813601 31478013 39617487 44469061 45468241 45927063 46959003 57174507 58459167 65618101 66339091 67829671 71834637 73448697 82585399 84441019 85293117 87209577 89426793 91436133 92440803 133407183 136404723 196854303 199017273 203489013 208662517 213350977 215503911 220346091 247756197 253323057 268280379 274308399 277322409 311283427 318277687 387516103 396223243 400221549 409214169 459326707 578097793 590562909 591087133 597051819 610467039 625987551 640052931 743268591 759969171 853035313 933850281 954833061 1162548309 1188669729 1377980121 1460637619 1493456839 1734293379 1773261399 1877962653 1920158793 2559105939 2712612721 2773562701 2801550843 2864499183 3215286949 3487644927 3566009187 4002704161 4046684551 4133940363 4137609931 4381912857 4480370517 5037709339 5150902159 5202880137 5319784197 5971247191 7677317817 8137838163 8320688103 9645860847 11089459069 12008112483 12140053653 12412829793 13145738571 13441111551 15113128017 15452706477 17913741573 18988289047 19414938907 24413514489 24962064309 28018929127 28937582541 33268377207 35263965373 36024337449 36056315113 36420160959 37238489379 41798730337 45339384051 46358119431 52035154093 53741224719 56964867141 58244816721 77626213483 84056787381 99805131621 105791896119 108168945339 125396191011 156105462279 170894601423 174734450163 196132503889 232878640449 244164953821 246847757611 252170362143 252394205791 317375688357 324506836017 364246078651 376188573033 468316386837 543383494381 588397511667 676457003209 698635921347 732494861463 740543272833 757182617373 1092738235953 1630150483143 1709154676747 1765192535001 2029371009627 2197484584389 2221629818499 2271547852119 2549722550557 3174144399673 3278214707859 4735199022463 4890451449429 5127464030241 6088113028881 7649167651671 9522433199019 11964082737229 14205597067389 15382392090723 22219010797711 22947502955013 28567299597057 33146393157241 35892248211687 41263877195749 42616791202167 66657032393133 99439179471723 107676744635061 123791631587247 155533075583977 199971097179399 288847140370243 298317538415169 371374894761741 466599226751931 866541421110729 1399797680255793 2021929982591701 2599624263332187 6065789947775103 18197369843325309
• Sum of all divisors σ(n): 33669488851255296
• Sum of proper divisors (its aliquot sum) s(n): 15472119007929987
• 18197369843325309 is a deficient number, because the sum of its proper divisors (15472119007929987) is less than itself. Its deficiency is 2725250835395322

Bases of 18197369843325309

• Binary: 1000000101001100110100101010101010110111001100101111101₂
• Hexadecimal: 0x40A669555B997D
• Base-36: 4Z6FGAQJSL9

Squares and roots of 18197369843325309

• 18197369843325309 squared (18197369843325309²) is 331144269214765381021618799945481
• 18197369843325309 cubed (18197369843325309³) is 6025954738398769045997196592504507783720947478629
• The square root of 18197369843325309 is 134897627.2709246321
• The cube root of 18197369843325309 is 263028.5397632239

Scales and comparisons

• 18,197,369,843,325,309 seconds is equal to 578,620,072 years, 44 weeks, 3 days, 23 hours, 15 minutes, 9 seconds.
• To count from 1 to 18,197,369,843,325,309 would take you about one billion, seven hundred thirty-five million, eight hundred sixty thousand, two 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 18197369843325309 cubic inches would be around 21919 feet tall.

Recreational maths with 18197369843325309

• 18197369843325309 backwards is 90352334896379181
• The number of decimal digits it has is: 17
• The sum of 18197369843325309's digits is 81
• More coming soon!