18103720515412

Names of 18103720515412

• Cardinal: 18103720515412 can be written as Eighteen trillion, one hundred three billion, seven hundred twenty million, five hundred fifteen thousand, four hundred twelve.

Scientific notation

• Scientific notation: 1.8103720515412 × 10¹³

Factors of 18103720515412

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 101

Divisors of 18103720515412

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 14 19 28 38 49 73 76 98 133 146 196 266 292 343 361 511 532 686 722 931 1022 1372 1387 1444 1862 2044 2527 2774 3577 3724 5054 5329 5548 6517 6859 7154 9709 10108 10658 13034 13718 14308 17689 19418 21316 25039 26068 26353 27436 35378 37303 38836 48013 50078 52706 67963 70756 74606 96026 100156 101251 105412 123823 130321 135926 149212 184471 192052 202502 247646 260642 261121 271852 336091 368942 405004 475741 495292 500707 521284 522242 672182 708757 737884 912247 951482 1001414 1044484 1291297 1344364 1417514 1824494 1827847 1902964 1923769 2002828 2352637 2476099 2582594 2835028 3504949 3648988 3655694 3847538 4705274 4952198 4961299 5165188 6385729 7009898 7311388 7695076 9039079 9410548 9513433 9904396 9922598 12771458 13466383 14019796 17332693 18078158 19026866 19845196 24534643 25542916 26932766 34665386 34729093 36156316 36551611 38053732 44700103 49069286 53865532 66594031 69330772 69458186 73103222 89400206 94264681 98138572 121328851 133188062 138916372 146206444 171742501 178800412 180755227 188529362 242657702 255861277 266376124 343485002 361510454 377058724 466158217 485315404 511722554 659852767 686970004 694480609 723020908 849301957 932316434 1023445108 1265286589 1319705534 1388961218 1698603914 1791028939 1864632868 2530573178 2639411068 2777922436 3263107519 3397207828 3582057878 4861364263 5061146356 6526215038 7164115756 8857006123 9722728526 12537202573 13052430076 13195131571 17714012246 19445457052 25074405146 26390263142 34029549841 35428024492 50148810292 52780526284 61999042861 68059099682 92365920997 123998085722 136118199364 184731841994 238206848887 247996171444 369463683988 476413697774 646561446979 952827395548 1293122893958 2586245787916 4525930128853 9051860257706 18103720515412
• Sum of all divisors σ(n): 39540493944000
• Sum of proper divisors (its aliquot sum) s(n): 21436773428588
• 18103720515412 is an abundant number, because the sum of its proper divisors (21436773428588) is greater than itself. Its abundance is 3333052913176

Bases of 18103720515412

• Binary: 100000111011100011001110101001001011101010100₂
• Hexadecimal: 0x107719D49754
• Base-36: 6F0QFRQS4

Squares and roots of 18103720515412

• 18103720515412 squared (18103720515412²) is 327744696500149330929529744
• 18103720515412 cubed (18103720515412³) is 5933398385847232957870513170098464414528
• The square root of 18103720515412 is 4254846.7088030327
• The cube root of 18103720515412 is 26257.6554617003

Scales and comparisons

• 18,103,720,515,412 seconds is equal to 575,642 years, 16 weeks, 2 days, 6 hours, 16 minutes, 52 seconds.
• To count from 1 to 18,103,720,515,412 would take you about one million, four hundred thirty-nine thousand, one hundred 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 18103720515412 cubic inches would be around 2188.1 feet tall.

Recreational maths with 18103720515412

• 18103720515412 backwards is 21451502730181
• The number of decimal digits it has is: 14
• The sum of 18103720515412's digits is 40
• More coming soon!