18441685789829991

Names of 18441685789829991

• Cardinal: 18441685789829991 can be written as Eighteen quadrillion, four hundred forty-one trillion, six hundred eighty-five billion, seven hundred eighty-nine million, eight hundred twenty-nine thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.8441685789829991 × 10¹⁶

Factors of 18441685789829991

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 202

Divisors of 18441685789829991

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 13 27 39 89 97 117 267 291 351 801 873 1157 1261 2403 2619 3471 3783 7921 8633 9409 10413 11349 23763 25899 28227 31239 34047 71289 77697 84681 102973 112229 122317 213867 233091 254043 308919 336687 366951 704969 768337 837401 926757 1010061 1100853 2114907 2305011 2512203 2780271 3030183 3302559 6344721 6915033 7536609 9164597 9988381 10886213 19034163 20745099 22609827 27493791 29965143 32658639 62742241 68381993 74528689 82481373 89895429 97975917 188226723 205145979 223586067 247444119 269686287 293927751 564680169 615437937 670758201 815649133 888965909 968872957 1694040507 1846313811 2012274603 2446947399 2666897727 2906618871 5584059449 6085997377 6633053321 7340842197 8000693181 8719856613 16752178347 18257992131 19899159963 22022526591 24002079543 26159569839 50256535041 54773976393 59697479889 72592772837 79117965901 86229693173 150769605123 164321929179 179092439667 217778318511 237353897703 258689079519 541653766553 590341745569 653334955533 712061693109 776067238557 1624961299659 1771025236707 1960004866599 2136185079327 2328201715671 4874883898977 5313075710121 7041498965189 7674442692397 14624651696931 15939227130363 21124496895567 23023328077191 52540415355641 63373490686701 69069984231573 157621246066923 190120472060103 207209952694719 472863738200769 683025399623333 1418591214602307 2049076198869999 6147228596609997 18441685789829991
• Sum of all divisors σ(n): 30066916301906400
• Sum of proper divisors (its aliquot sum) s(n): 11625230512076409
• 18441685789829991 is a deficient number, because the sum of its proper divisors (11625230512076409) is less than itself. Its deficiency is 6816455277753582

Bases of 18441685789829991

• Binary: 1000001100001001001110110010010100011111110101101100111₂
• Hexadecimal: 0x41849D928FEB67
• Base-36: 51L15HT1Q3R

Squares and roots of 18441685789829991

• 18441685789829991 squared (18441685789829991²) is 340095774770817418981084683060081
• 18441685789829991 cubed (18441685789829991³) is 6271939416772204759734933779792194268066628689271
• The square root of 18441685789829991 is 135800168.5927892765
• The cube root of 18441685789829991 is 264200.4417359217

Scales and comparisons

• 18,441,685,789,829,991 seconds is equal to 586,388,564 years, 12 weeks, 2 days, 6 hours, 59 minutes, 51 seconds.
• To count from 1 to 18,441,685,789,829,991 would take you about one billion, seven hundred fifty-nine million, one hundred sixty-five thousand, six hundred ninety-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 18441685789829991 cubic inches would be around 22016.7 feet tall.

Recreational maths with 18441685789829991

• 18441685789829991 backwards is 19992898758614481
• The number of decimal digits it has is: 17
• The sum of 18441685789829991's digits is 99
• More coming soon!