208136688400

Names of 208136688400

• Cardinal: 208136688400 can be written as Two hundred eight billion, one hundred thirty-six million, six hundred eighty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.081366884 × 10¹¹

Factors of 208136688400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 22818

Divisors of 208136688400

• Number of divisors d(n): 45
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 22811 45622 91244 114055 182488 228110 364976 456220 570275 912440 1140550 1824880 2281100 4562200 9124400 520341721 1040683442 2081366884 2601708605 4162733768 5203417210 8325467536 10406834420 13008543025 20813668840 26017086050 41627337680 52034172100 104068344200 208136688400
• Sum of all divisors σ(n): 500070316213
• Sum of proper divisors (its aliquot sum) s(n): 291933627813
• 208136688400 is an abundant number, because the sum of its proper divisors (291933627813) is greater than itself. Its abundance is 83796939413

Bases of 208136688400

• Binary: 11000001110101111010011101001100010000₂
• Hexadecimal: 0x3075E9D310
• Base-36: 2NM77KLS

Squares and roots of 208136688400

• 208136688400 squared (208136688400²) is 43320881058118694560000
• 208136688400 cubed (208136688400³) is 9016664722007113019849495104000000
• 208136688400 is a perfect square number. Its square root is 456220
• The cube root of 208136688400 is 5926.2897335369

Scales and comparisons

• 208,136,688,400 seconds is equal to 6,618 years, 5 weeks, 2 days, 10 hours, 46 minutes, 40 seconds.
• To count from 1 to 208,136,688,400 would take you about thirteen thousand, two hundred thirty-six 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 208136688400 cubic inches would be around 493.9 feet tall.

Recreational maths with 208136688400

• 208136688400 backwards is 004886631802
• The number of decimal digits it has is: 12
• The sum of 208136688400's digits is 46
• More coming soon!