18036145503649

Names of 18036145503649

• Cardinal: 18036145503649 can be written as Eighteen trillion, thirty-six billion, one hundred forty-five million, five hundred three thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 1.8036145503649 × 10¹³

Factors of 18036145503649

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 21606

Divisors of 18036145503649

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 13 31 67 91 217 403 469 871 2077 2821 6097 6271 14539 15217 27001 43897 81523 106519 189007 194401 197821 420157 471727 570661 1019539 1360807 1384747 2527213 2941099 3302089 5462041 6132451 7136773 13024867 13254007 17690491 31605709 38234287 42927157 91174069 92778049 95425807 169323271 221239963 410874217 667980649 1185262897 1240535491 2876119519 2958200017 6393529069 8683748437 20707400119 38456600221 44754703483 83115877897 198199401139 269196201547 581811145279 1387395807973 2576592214807 18036145503649
• Sum of all divisors σ(n): 23261651402752
• Sum of proper divisors (its aliquot sum) s(n): 5225505899103
• 18036145503649 is a deficient number, because the sum of its proper divisors (5225505899103) is less than itself. Its deficiency is 12810639604546

Bases of 18036145503649

• Binary: 100000110011101011110000010111011110110100001₂
• Hexadecimal: 0x10675E0BBDA1
• Base-36: 6E5OVCQ01

Squares and roots of 18036145503649

• 18036145503649 squared (18036145503649²) is 325302544628798039872315201
• 18036145503649 cubed (18036145503649³) is 5867204027632273922602362434591823668449
• The square root of 18036145503649 is 4246898.3392175753
• The cube root of 18036145503649 is 26224.9444385729

Scales and comparisons

• 18,036,145,503,649 seconds is equal to 573,493 years, 33 weeks, 1 day, 1 hour, 40 minutes, 49 seconds.
• To count from 1 to 18,036,145,503,649 would take you about one million, four hundred thirty-three thousand, seven hundred thirty-four 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 18036145503649 cubic inches would be around 2185.4 feet tall.

Recreational maths with 18036145503649

• 18036145503649 backwards is 94630554163081
• The number of decimal digits it has is: 14
• The sum of 18036145503649's digits is 55
• More coming soon!