18237971782048

Names of 18237971782048

• Cardinal: 18237971782048 can be written as Eighteen trillion, two hundred thirty-seven billion, nine hundred seventy-one million, seven hundred eighty-two thousand and forty-eight.

Scientific notation

• Scientific notation: 1.8237971782048 × 10¹³

Factors of 18237971782048

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 579471

Divisors of 18237971782048

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 61 122 127 244 254 488 508 976 1016 1952 2032 4064 7747 15494 16129 30988 32258 61976 64516 123952 129032 247904 258064 516128 579281 983869 1158562 1967738 2317124 3935476 4634248 7870952 9268496 15741904 18536992 31483808 35336141 70672282 73568687 141344564 147137374 282689128 294274748 565378256 588549496 1130756512 1177098992 2354197984 4487689907 8975379814 9343223249 17950759628 18686446498 35901519256 37372892996 71803038512 74745785992 143606077024 149491571984 298983143968 569936618189 1139873236378 2279746472756 4559492945512 9118985891024 18237971782048
• Sum of all divisors σ(n): 36784315473444
• Sum of proper divisors (its aliquot sum) s(n): 18546343691396
• 18237971782048 is an abundant number, because the sum of its proper divisors (18546343691396) is greater than itself. Its abundance is 308371909348

Bases of 18237971782048

• Binary: 100001001011001011011110101000101100110100000₂
• Hexadecimal: 0x10965BD459A0
• Base-36: 6GQEPIB34

Squares and roots of 18237971782048

• 18237971782048 squared (18237971782048²) is 332623614722779100815074304
• 18237971782048 cubed (18237971782048³) is 6066380099356850926791351753424413294592
• The square root of 18237971782048 is 4270593.8441916951
• The cube root of 18237971782048 is 26322.4017386381

Scales and comparisons

• 18,237,971,782,048 seconds is equal to 579,911 years, 4 weeks, 4 days, 8 hours, 47 minutes, 28 seconds.
• To count from 1 to 18,237,971,782,048 would take you about one million, four hundred forty-nine thousand, seven hundred seventy-seven 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 18237971782048 cubic inches would be around 2193.5 feet tall.

Recreational maths with 18237971782048

• 18237971782048 backwards is 84028717973281
• The number of decimal digits it has is: 14
• The sum of 18237971782048's digits is 67
• More coming soon!