18137794621771088

Names of 18137794621771088

• Cardinal: 18137794621771088 can be written as Eighteen quadrillion, one hundred thirty-seven trillion, seven hundred ninety-four billion, six hundred twenty-one million, seven hundred seventy-one thousand and eighty-eight.

Scientific notation

• Scientific notation: 1.8137794621771088 × 10¹⁶

Factors of 18137794621771088

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 103055651260076

Divisors of 18137794621771088

• Number of divisors d(n): 20
• Complete list of divisors:
  1 2 4 8 11 16 22 44 88 176 103055651260063 206111302520126 412222605040252 824445210080504 1133612163860693 1648890420161008 2267224327721386 4534448655442772 9068897310885544 18137794621771088
• Sum of all divisors σ(n): 38336702268743808
• Sum of proper divisors (its aliquot sum) s(n): 20198907646972720
• 18137794621771088 is an abundant number, because the sum of its proper divisors (20198907646972720) is greater than itself. Its abundance is 2061113025201632

Bases of 18137794621771088

• Binary: 1000000011100000011101001100101011100001000110101010000₂
• Hexadecimal: 0x40703A65708D50
• Base-36: 4YLB7THTMQ8

Squares and roots of 18137794621771088

• 18137794621771088 squared (18137794621771088²) is 328979593741548205199029872703744
• 18137794621771088 cubed (18137794621771088³) is 5966964306037890517450151181994792196244408553472
• The square root of 18137794621771088 is 134676629.8277881915
• The cube root of 18137794621771088 is 262741.1884379083

Scales and comparisons

• 18,137,794,621,771,088 seconds is equal to 576,725,765 years, 4 weeks, 4 days, 17 hours, 18 minutes, 8 seconds.
• To count from 1 to 18,137,794,621,771,088 would take you about one billion, seven hundred thirty million, one hundred seventy-seven thousand, two hundred ninety-five 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 18137794621771088 cubic inches would be around 21895.1 feet tall.

Recreational maths with 18137794621771088

• 18137794621771088 backwards is 88017712649773181
• The number of decimal digits it has is: 17
• The sum of 18137794621771088's digits is 80
• More coming soon!