18989902434184

Names of 18989902434184

• Cardinal: 18989902434184 can be written as Eighteen trillion, nine hundred eighty-nine billion, nine hundred two million, four hundred thirty-four thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 1.8989902434184 × 10¹³

Factors of 18989902434184

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 258834

Divisors of 18989902434184

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 11 22 44 53 88 106 212 424 583 1166 2332 4664 16829 33658 67316 134632 185119 241939 370238 483878 740476 891937 967756 1480952 1783874 1935512 2661329 3567748 5322658 7135496 9811307 10645316 12822767 19622614 21290632 25645534 39245228 51291068 78490456 102582136 141050437 282100874 564201748 1128403496 4071591431 8143182862 16286365724 32572731448 44787505741 89575011482 179150022964 215794345843 358300045928 431588691686 863177383372 1726354766744 2373737804273 4747475608546 9494951217092 18989902434184
• Sum of all divisors σ(n): 39578383944000
• Sum of proper divisors (its aliquot sum) s(n): 20588481509816
• 18989902434184 is an abundant number, because the sum of its proper divisors (20588481509816) is greater than itself. Its abundance is 1598579075632

Bases of 18989902434184

• Binary: 100010100010101101110011000111000111110001000₂
• Hexadecimal: 0x11456E638F88
• Base-36: 6QBU9LRIG

Squares and roots of 18989902434184

• 18989902434184 squared (18989902434184²) is 360616394459827408451745856
• 18989902434184 cubed (18989902434184³) is 6848070146959334035558329045558934741504
• The square root of 18989902434184 is 4357740.5193728549
• The cube root of 18989902434184 is 26679.2885686435

Scales and comparisons

• 18,989,902,434,184 seconds is equal to 603,820 years, 8 weeks, 1 day, 10 hours, 23 minutes, 4 seconds.
• To count from 1 to 18,989,902,434,184 would take you about one million, five hundred nine thousand, five hundred fifty 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 18989902434184 cubic inches would be around 2223.3 feet tall.

Recreational maths with 18989902434184

• 18989902434184 backwards is 48143420998981
• The number of decimal digits it has is: 14
• The sum of 18989902434184's digits is 70
• More coming soon!