18012728215008

Names of 18012728215008

• Cardinal: 18012728215008 can be written as Eighteen trillion, twelve billion, seven hundred twenty-eight million, two hundred fifteen thousand and eight.

Scientific notation

• Scientific notation: 1.8012728215008 × 10¹³

Factors of 18012728215008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 18847613

Divisors of 18012728215008

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 3319 6638 9957 13276 19914 26552 29871 39828 53104 59742 79656 106208 119484 159312 238968 318624 477936 955872 18844289 37688578 56532867 75377156 113065734 150754312 169598601 226131468 301508624 339197202 452262936 603017248 678394404 904525872 1356788808 1809051744 2713577616 5427155232 62544195191 125088390382 187632585573 250176780764 375265171146 500353561528 562897756719 750530342292 1000707123056 1125795513438 1501060684584 2001414246112 2251591026876 3002121369168 4503182053752 6004242738336 9006364107504 18012728215008
• Sum of all divisors σ(n): 51239132053200
• Sum of proper divisors (its aliquot sum) s(n): 33226403838192
• 18012728215008 is an abundant number, because the sum of its proper divisors (33226403838192) is greater than itself. Its abundance is 15213675623184

Bases of 18012728215008

• Binary: 100000110000111101010010001000100010111100000₂
• Hexadecimal: 0x1061EA4445E0
• Base-36: 6DUXLAYG0

Squares and roots of 18012728215008

• 18012728215008 squared (18012728215008²) is 324458377747745289876440064
• 18012728215008 cubed (18012728215008³) is 5844380575452535402612687766888217280512
• The square root of 18012728215008 is 4244140.4565598439
• The cube root of 18012728215008 is 26213.5897755051

Scales and comparisons

• 18,012,728,215,008 seconds is equal to 572,749 years, 2 weeks, 15 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,012,728,215,008 would take you about one million, four hundred thirty-one thousand, eight hundred seventy-two 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 18012728215008 cubic inches would be around 2184.5 feet tall.

Recreational maths with 18012728215008

• 18012728215008 backwards is 80051282721081
• The number of decimal digits it has is: 14
• The sum of 18012728215008's digits is 45
• More coming soon!