18020100

Names of 18020100

• Cardinal: 18020100 can be written as Eighteen million, twenty thousand, one hundred.

Scientific notation

• Scientific notation: 1.80201 × 10⁷

Factors of 18020100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8598

Divisors of 18020100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 8581 17162 25743 34324 42905 51486 60067 85810 102972 120134 128715 171620 180201 214525 240268 257430 300335 360402 429050 514860 600670 643575 720804 858100 901005 1201340 1287150 1501675 1802010 2574300 3003350 3604020 4505025 6006700 9010050 18020100
• Sum of all divisors σ(n): 59593408
• Sum of proper divisors (its aliquot sum) s(n): 41573308
• 18020100 is an abundant number, because the sum of its proper divisors (41573308) is greater than itself. Its abundance is 23553208

Bases of 18020100

• Binary: 1000100101111011100000100₂
• Hexadecimal: 0x112F704
• Base-36: AQ8EC

Squares and roots of 18020100

• 18020100 squared (18020100²) is 324724004010000
• 18020100 cubed (18020100³) is 5851559024660601000000
• The square root of 18020100 is 4245.0088339131
• The cube root of 18020100 is 262.1716529517

Scales and comparisons

• 18,020,100 seconds is equal to 29 weeks, 5 days, 13 hours, 35 minutes.
• To count from 1 to 18,020,100 would take you about forty-four weeks!

  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 18020100 cubic inches would be around 21.8 feet tall.

Recreational maths with 18020100

• 18020100 backwards is 00102081
• 18020100 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18020100's digits is 12
• More coming soon!