18000391100

Names of 18000391100

• Cardinal: 18000391100 can be written as Eighteen billion, three hundred ninety-one thousand, one hundred.

Scientific notation

• Scientific notation: 1.80003911 × 10¹⁰

Factors of 18000391100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 107312

Divisors of 18000391100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 20 23 25 46 50 73 92 100 115 146 230 292 365 460 575 730 1150 1460 1679 1825 2300 3358 3650 6716 7300 8395 16790 33580 41975 83950 107209 167900 214418 428836 536045 1072090 2144180 2465807 2680225 4931614 5360450 7826257 9863228 10720900 12329035 15652514 24658070 31305028 39131285 49316140 61645175 78262570 123290350 156525140 180003911 195656425 246580700 360007822 391312850 720015644 782625700 900019555 1800039110 3600078220 4500097775 9000195550 18000391100
• Sum of all divisors σ(n): 41317876320
• Sum of proper divisors (its aliquot sum) s(n): 23317485220
• 18000391100 is an abundant number, because the sum of its proper divisors (23317485220) is greater than itself. Its abundance is 5317094120

Bases of 18000391100

• Binary: 10000110000111010000010101110111100₂
• Hexadecimal: 0x430E82BBC
• Base-36: 89OYUNW

Squares and roots of 18000391100

• 18000391100 squared (18000391100²) is 324014079752959210000
• 18000391100 cubed (18000391100³) is 5832380157459857162347031000000
• The square root of 18000391100 is 134165.5361857137
• The cube root of 18000391100 is 2620.7603750335

Scales and comparisons

• 18,000,391,100 seconds is equal to 572 years, 18 weeks, 3 days, 20 hours, 38 minutes, 20 seconds.
• To count from 1 to 18,000,391,100 would take you about one thousand, one hundred forty-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 18000391100 cubic inches would be around 218.4 feet tall.

Recreational maths with 18000391100

• 18000391100 backwards is 00119300081
• 18000391100 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18000391100's digits is 23
• More coming soon!