18001371200

Names of 18001371200

• Cardinal: 18001371200 can be written as Eighteen billion, one million, three hundred seventy-one thousand, two hundred.

Scientific notation

• Scientific notation: 1.80013712 × 10¹⁰

Factors of 18001371200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 28465

Divisors of 18001371200

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 401 800 802 1600 1604 2005 3208 4010 6416 8020 10025 12832 16040 20050 25664 28057 32080 40100 56114 64160 80200 112228 128320 140285 160400 224456 280570 320800 448912 561140 641600 701425 897824 1122280 1402850 1795648 2244560 2805700 4489120 5611400 8978240 11222800 11250857 22445600 22501714 44891200 45003428 56254285 90006856 112508570 180013712 225017140 281271425 360027424 450034280 562542850 720054848 900068560 1125085700 1800137120 2250171400 3600274240 4500342800 9000685600 18001371200
• Sum of all divisors σ(n): 44406667092
• Sum of proper divisors (its aliquot sum) s(n): 26405295892
• 18001371200 is an abundant number, because the sum of its proper divisors (26405295892) is greater than itself. Its abundance is 8403924692

Bases of 18001371200

• Binary: 10000110000111101110010000001000000₂
• Hexadecimal: 0x430F72040
• Base-36: 89PJUWW

Squares and roots of 18001371200

• 18001371200 squared (18001371200²) is 324049365080189440000
• 18001371200 cubed (18001371200³) is 5833332907932807875760128000000
• The square root of 18001371200 is 134169.1887133555
• The cube root of 18001371200 is 2620.8079399377

Scales and comparisons

• 18,001,371,200 seconds is equal to 572 years, 20 weeks, 1 day, 4 hours, 53 minutes, 20 seconds.
• To count from 1 to 18,001,371,200 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 18001371200 cubic inches would be around 218.4 feet tall.

Recreational maths with 18001371200

• 18001371200 backwards is 00217310081
• The number of decimal digits it has is: 11
• The sum of 18001371200's digits is 23
• More coming soon!