18203406400

Names of 18203406400

• Cardinal: 18203406400 can be written as Eighteen billion, two hundred three million, four hundred six thousand, four hundred.

Scientific notation

• Scientific notation: 1.82034064 × 10¹⁰

Factors of 18203406400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3380

Divisors of 18203406400

• Number of divisors d(n): 63
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 3373 6746 13492 16865 26984 33730 53968 67460 84325 107936 134920 168650 215872 269840 337300 539680 674600 1079360 1349200 2698400 5396800 11377129 22754258 45508516 56885645 91017032 113771290 182034064 227542580 284428225 364068128 455085160 568856450 728136256 910170320 1137712900 1820340640 2275425800 3640681280 4550851600 9101703200 18203406400
• Sum of all divisors σ(n): 44805040311
• Sum of proper divisors (its aliquot sum) s(n): 26601633911
• 18203406400 is an abundant number, because the sum of its proper divisors (26601633911) is greater than itself. Its abundance is 8398227511

Bases of 18203406400

• Binary: 10000111101000000011111000001000000₂
• Hexadecimal: 0x43D01F040
• Base-36: 8D1U69S

Squares and roots of 18203406400

• 18203406400 squared (18203406400²) is 331364004563560960000
• 18203406400 cubed (18203406400³) is 6031953641401954786054144000000
• 18203406400 is a perfect square number. Its square root is 134920
• The cube root of 18203406400 is 2630.5762109317

Scales and comparisons

• 18,203,406,400 seconds is equal to 578 years, 42 weeks, 1 day, 13 hours, 46 minutes, 40 seconds.
• To count from 1 to 18,203,406,400 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 18203406400 cubic inches would be around 219.2 feet tall.

Recreational maths with 18203406400

• 18203406400 backwards is 00460430281
• The number of decimal digits it has is: 11
• The sum of 18203406400's digits is 28
• More coming soon!