18199518064

Names of 18199518064

• Cardinal: 18199518064 can be written as Eighteen billion, one hundred ninety-nine million, five hundred eighteen thousand and sixty-four.

Scientific notation

• Scientific notation: 1.8199518064 × 10¹⁰

Factors of 18199518064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 137381

Divisors of 18199518064

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 49 52 56 91 98 104 112 169 182 196 208 338 364 392 637 676 728 784 1183 1274 1352 1456 2366 2548 2704 4732 5096 8281 9464 10192 16562 18928 33124 66248 132496 137359 274718 549436 961513 1098872 1785667 1923026 2197744 3571334 3846052 6730591 7142668 7692104 12499669 13461182 14285336 15384208 23213671 24999338 26922364 28570672 46427342 49998676 53844728 87497683 92854684 99997352 107689456 162495697 174995366 185709368 199994704 324991394 349990732 371418736 649982788 699981464 1137469879 1299965576 1399962928 2274939758 2599931152 4549879516 9099759032 18199518064
• Sum of all divisors σ(n): 44416866960
• Sum of proper divisors (its aliquot sum) s(n): 26217348896
• 18199518064 is an abundant number, because the sum of its proper divisors (26217348896) is greater than itself. Its abundance is 8017830832

Bases of 18199518064

• Binary: 10000111100110001101001101101110000₂
• Hexadecimal: 0x43CC69B70
• Base-36: 8CZIU0G

Squares and roots of 18199518064

• 18199518064 squared (18199518064²) is 331222457761862308096
• 18199518064 cubed (18199518064³) is 6028089103239490086473885446144
• The square root of 18199518064 is 134905.5894468427
• The cube root of 18199518064 is 2630.3888963097

Scales and comparisons

• 18,199,518,064 seconds is equal to 578 years, 35 weeks, 5 days, 13 hours, 41 minutes, 4 seconds.
• To count from 1 to 18,199,518,064 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 18199518064 cubic inches would be around 219.2 feet tall.

Recreational maths with 18199518064

• 18199518064 backwards is 46081599181
• 18199518064 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18199518064's digits is 52
• More coming soon!