18198490044

Names of 18198490044

• Cardinal: 18198490044 can be written as Eighteen billion, one hundred ninety-eight million, four hundred ninety thousand and forty-four.

Scientific notation

• Scientific notation: 1.8198490044 × 10¹⁰

Factors of 18198490044

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 22006

Divisors of 18198490044

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 1511 3022 4533 6044 9066 10577 18132 20483 21154 31731 40966 42308 61449 63462 74039 81932 122898 126924 143381 148078 222117 245796 286762 296156 430143 444234 573524 860286 888468 1003667 1720572 2007334 3011001 4014668 6022002 12044004 30949813 61899626 92849439 123799252 185698878 216648691 371397756 433297382 649946073 866594764 1299892146 1516540837 2599784292 3033081674 4549622511 6066163348 9099245022 18198490044
• Sum of all divisors σ(n): 49431005568
• Sum of proper divisors (its aliquot sum) s(n): 31232515524
• 18198490044 is an abundant number, because the sum of its proper divisors (31232515524) is greater than itself. Its abundance is 13034025480

Bases of 18198490044

• Binary: 10000111100101101101110101110111100₂
• Hexadecimal: 0x43CB6EBBC
• Base-36: 8CYWSSC

Squares and roots of 18198490044

• 18198490044 squared (18198490044²) is 331185039881567121936
• 18198490044 cubed (18198490044³) is 6027067651006442207670030005184
• The square root of 18198490044 is 134901.7792469765
• The cube root of 18198490044 is 2630.3393685641

Scales and comparisons

• 18,198,490,044 seconds is equal to 578 years, 34 weeks, 16 hours, 7 minutes, 24 seconds.
• To count from 1 to 18,198,490,044 would take you about one thousand, one hundred fifty-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 18198490044 cubic inches would be around 219.2 feet tall.

Recreational maths with 18198490044

• 18198490044 backwards is 44009489181
• The number of decimal digits it has is: 11
• The sum of 18198490044's digits is 48
• More coming soon!