18418939348824

Names of 18418939348824

• Cardinal: 18418939348824 can be written as Eighteen trillion, four hundred eighteen billion, nine hundred thirty-nine million, three hundred forty-eight thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.8418939348824 × 10¹³

Factors of 18418939348824

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 896130

Divisors of 18418939348824

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 42829 85658 128487 171316 256974 299803 342632 385461 513948 599606 770922 853289 899409 1027896 1199212 1541844 1706578 1798818 2398424 2559867 2698227 3083688 3413156 3597636 5119734 5396454 5973023 6826312 7195272 7679601 10239468 10792908 11946046 15359202 17919069 20478936 21585816 23892092 30718404 35838138 47784184 53757207 61436808 71676276 107514414 143352552 215028828 430057656 36545514581 73091029162 109636543743 146182058324 219273087486 255818602067 292364116648 328909631229 438546174972 511637204134 657819262458 767455806201 877092349944 1023274408268 1315638524916 1534911612402 2046548816536 2302367418603 2631277049832 3069823224804 4604734837206 6139646449608 9209469674412 18418939348824
• Sum of all divisors σ(n): 57012400692000
• Sum of proper divisors (its aliquot sum) s(n): 38593461343176
• 18418939348824 is an abundant number, because the sum of its proper divisors (38593461343176) is greater than itself. Its abundance is 20174521994352

Bases of 18418939348824

• Binary: 100001100000001111110010101100100011101011000₂
• Hexadecimal: 0x10C07E564758
• Base-36: 6J1JKXBA0

Squares and roots of 18418939348824

• 18418939348824 squared (18418939348824²) is 339257326735657077150182976
• 18418939348824 cubed (18418939348824³) is 6248760124788234570186358353617890420224
• The square root of 18418939348824 is 4291729.1793429837
• The cube root of 18418939348824 is 26409.1773213057

Scales and comparisons

• 18,418,939,348,824 seconds is equal to 585,665 years, 15 weeks, 3 days, 9 hours, 20 minutes, 24 seconds.
• To count from 1 to 18,418,939,348,824 would take you about one million, four hundred sixty-four thousand, one hundred sixty-three 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 18418939348824 cubic inches would be around 2200.8 feet tall.

Recreational maths with 18418939348824

• 18418939348824 backwards is 42884393981481
• 18418939348824 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18418939348824's digits is 72
• More coming soon!