18418795938855

Names of 18418795938855

• Cardinal: 18418795938855 can be written as Eighteen trillion, four hundred eighteen billion, seven hundred ninety-five million, nine hundred thirty-eight thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 1.8418795938855 × 10¹³

Factors of 18418795938855

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16159

Divisors of 18418795938855

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 5 9 13 15 27 31 39 45 65 73 81 93 97 117 135 155 195 219 279 291 351 365 403 405 465 485 585 657 837 873 949 1053 1095 1209 1261 1395 1455 1755 1971 2015 2263 2511 2619 2847 3007 3285 3627 3783 4185 4365 4745 5265 5913 6045 6305 6789 7081 7857 8541 9021 9855 10881 11315 11349 12555 13095 14235 15035 15937 18135 18915 20367 21243 25623 27063 29419 29565 32643 33945 34047 35405 39091 39285 42705 45105 47811 54405 56745 61101 63729 76869 79685 81189 88257 92053 101835 102141 106215 117273 128115 135315 143433 147095 163215 170235 183303 191187 195455 207181 219511 239055 243567 264771 276159 305505 318645 351819 384345 405945 430299 441285 460265 494047 510705 573561 586365 621543 658533 717165 794313 828477 916515 955935 1035905 1055457 1097555 1163401 1217835 1290897 1323855 1380795 1482141 1545889 1759095 1864629 1975599 2151495 2382939 2470235 2485431 2853643 2867805 3107715 3166371 3292665 3490203 3971565 4142385 4446423 4637667 5277285 5593887 5817005 5926797 6422611 6454485 7410705 7456293 7729445 8560929 9323145 9877995 10470609 11914695 12427155 13339269 13913001 14268215 15124213 15831855 16781661 17451015 17780391 19267833 20096557 22232115 23188335 25682787 27969435 29633985 31411827 32113055 36065431 37281465 40017807 41739003 42804645 45372639 47922559 52353045 57803499 60289671 66696345 69565005 75621065 77048361 83908305 88901955 94235481 96339165 100482785 108196293 112849897 125217009 128413935 136117917 143767677 157059135 173410497 180327155 180869013 200089035 208695015 226863195 231145083 239612795 289017495 301448355 324588879 338549691 385241805 408353751 431303031 468850603 471177405 520231491 540981465 542607039 564249485 622993267 626085045 680589585 718838385 867052485 904345065 973766637 1015649073 1155725415 1225061253 1293909093 1406551809 1467048661 1622944395 1627821117 1692748455 1868979801 2041768755 2156515155 2344253015 2601157455 2713035195 2921299911 3046947219 3114966335 3498346807 3881727279 4219655427 4401145983 4868833185 5078245365 5606939403 6125306265 6469545465 7032759045 7335243305 8139105585 9140841657 9344899005 10495040421 12658966281 13203437949 14606499555 15234736095 16820818209 17491734035 19408636395 21098277135 22005729915 28034697015 31485121263 37976898843 39610313847 45478508491 45704208285 50462454627 52475202105 63294831405 66017189745 84104091045 94455363789 118830941541 136435525473 157425606315 189884494215 198051569235 227392542455 252312273135 283366091367 409306576419 472276818945 594154707705 682177627365 1227919729257 1416830456835 2046532882095 3683759187771 6139598646285 18418795938855
• Sum of all divisors σ(n): 37592936629248
• Sum of proper divisors (its aliquot sum) s(n): 19174140690393
• 18418795938855 is an abundant number, because the sum of its proper divisors (19174140690393) is greater than itself. Its abundance is 755344751538

Bases of 18418795938855

• Binary: 100001100000001110101110010100000010000100111₂
• Hexadecimal: 0x10C075CA0427
• Base-36: 6J1H7JJFR

Squares and roots of 18418795938855

• 18418795938855 squared (18418795938855²) is 339252043837181440898711025
• 18418795938855 cubed (18418795938855³) is 6248614167276535954474955828674214376375
• The square root of 18418795938855 is 4291712.4715962741
• The cube root of 18418795938855 is 26409.1087804583

Scales and comparisons

• 18,418,795,938,855 seconds is equal to 585,660 years, 38 weeks, 2 days, 13 hours, 14 minutes, 15 seconds.
• To count from 1 to 18,418,795,938,855 would take you about one million, four hundred sixty-four thousand, one hundred fifty-one 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 18418795938855 cubic inches would be around 2200.8 feet tall.

Recreational maths with 18418795938855

• 18418795938855 backwards is 55883959781481
• 18418795938855 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18418795938855's digits is 81
• More coming soon!