18388613304864

Names of 18388613304864

• Cardinal: 18388613304864 can be written as Eighteen trillion, three hundred eighty-eight billion, six hundred thirteen million, three hundred four thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8388613304864 × 10¹³

Factors of 18388613304864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5330123

Divisors of 18388613304864

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 72 81 88 96 99 108 121 132 144 162 176 198 216 242 264 288 297 324 352 363 396 432 484 528 594 648 726 792 864 891 968 1056 1089 1188 1296 1331 1452 1584 1782 1936 2178 2376 2592 2662 2904 3168 3267 3564 3872 3993 4356 4752 5324 5808 6534 7128 7986 8712 9504 9801 10648 11616 11979 13068 14256 15972 17424 19602 21296 23958 26136 28512 31944 34848 35937 39204 42592 47916 52272 63888 71874 78408 95832 104544 107811 127776 143748 156816 191664 215622 287496 313632 383328 431244 574992 862488 1149984 1724976 3449952 5330107 10660214 15990321 21320428 31980642 42640856 47970963 58631177 63961284 85281712 95941926 117262354 127922568 143912889 170563424 175893531 191883852 234524708 255845136 287825778 351787062 383767704 431738667 469049416 511690272 527680593 575651556 644942947 703574124 767535408 863477334 938098832 1055361186 1151303112 1289885894 1407148248 1535070816 1583041779 1726954668 1876197664 1934828841 2110722372 2302606224 2579771788 2814296496 3166083558 3453909336 3869657682 4221444744 4605212448 4749125337 5159543576 5628592992 5804486523 6332167116 6907818672 7094372417 7739315364 8442889488 9498250674 10319087152 11608973046 12664334232 13815637344 14188744834 15478630728 16885778976 17413459569 18996501348 20638174304 21283117251 23217946092 25328668464 28377489668 30957261456 34826919138 37993002696 42566234502 46435892184 50657336928 52240378707 56754979336 61914522912 63849351753 69653838276 75986005392 85132469004 92871784368 104480757414 113509958672 127698703506 139307676552 151972010784 170264938008 185743568736 191548055259 208961514828 227019917344 255397407012 278615353104 340529876016 383096110518 417923029656 510794814024 557230706208 574644165777 681059752032 766192221036 835846059312 1021589628048 1149288331554 1532384442072 1671692118624 2043179256096 2298576663108 3064768884144 4597153326216 6129537768288 9194306652432 18388613304864
• Sum of all divisors σ(n): 59484389047776
• Sum of proper divisors (its aliquot sum) s(n): 41095775742912
• 18388613304864 is an abundant number, because the sum of its proper divisors (41095775742912) is greater than itself. Its abundance is 22707162438048

Bases of 18388613304864

• Binary: 100001011100101101110110000111001001000100000₂
• Hexadecimal: 0x10B96EC39220
• Base-36: 6INM1KY00

Squares and roots of 18388613304864

• 18388613304864 squared (18388613304864²) is 338141099275821320206058496
• 18388613304864 cubed (18388613304864³) is 6217945917064706604042280901605865324544
• The square root of 18388613304864 is 4288194.6440039309
• The cube root of 18388613304864 is 26394.6754761875

Scales and comparisons

• 18,388,613,304,864 seconds is equal to 584,701 years, 1 week, 1 day, 12 hours, 14 minutes, 24 seconds.
• To count from 1 to 18,388,613,304,864 would take you about one million, four hundred sixty-one thousand, seven hundred fifty-two 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 18388613304864 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18388613304864

• 18388613304864 backwards is 46840331688381
• The number of decimal digits it has is: 14
• The sum of 18388613304864's digits is 63
• More coming soon!