18493036432

Names of 18493036432

• Cardinal: 18493036432 can be written as Eighteen billion, four hundred ninety-three million, thirty-six thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8493036432 × 10¹⁰

Factors of 18493036432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1806

Divisors of 18493036432

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 13 16 26 52 104 181 208 362 409 724 818 1201 1448 1636 2353 2402 2896 3272 4706 4804 5317 6544 9412 9608 10634 15613 18824 19216 21268 31226 37648 42536 62452 74029 85072 124904 148058 217381 249808 296116 434762 491209 592232 869524 962377 982418 1184464 1739048 1924754 1964836 2825953 3478096 3849508 3929672 5651906 6385717 7699016 7859344 11303812 12771434 15398032 22607624 25542868 45215248 51085736 88908829 102171472 177817658 355635316 711270632 1155814777 1422541264 2311629554 4623259108 9246518216 18493036432
• Sum of all divisors σ(n): 38926866160
• Sum of proper divisors (its aliquot sum) s(n): 20433829728
• 18493036432 is an abundant number, because the sum of its proper divisors (20433829728) is greater than itself. Its abundance is 1940793296

Bases of 18493036432

• Binary: 10001001110010001010101011110010000₂
• Hexadecimal: 0x44E455790
• Base-36: 8HU9Y8G

Squares and roots of 18493036432

• 18493036432 squared (18493036432²) is 341992396475279290624
• 18493036432 cubed (18493036432³) is 6324477847484328308884748013568
• The square root of 18493036432 is 135989.1040929383
• The cube root of 18493036432 is 2644.4543541835

Scales and comparisons

• 18,493,036,432 seconds is equal to 588 years, 1 week, 18 hours, 33 minutes, 52 seconds.
• To count from 1 to 18,493,036,432 would take you about one thousand, one hundred seventy-six 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 18493036432 cubic inches would be around 220.4 feet tall.

Recreational maths with 18493036432

• 18493036432 backwards is 23463039481
• The number of decimal digits it has is: 11
• The sum of 18493036432's digits is 43
• More coming soon!