18806936440

Names of 18806936440

• Cardinal: 18806936440 can be written as Eighteen billion, eight hundred six million, nine hundred thirty-six thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.880693644 × 10¹⁰

Factors of 18806936440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 108316

Divisors of 18806936440

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 19 20 38 40 76 95 152 190 229 380 458 760 916 1145 1832 2290 4351 4580 8702 9160 17404 21755 34808 43510 87020 108061 174040 216122 432244 540305 864488 1080610 2053159 2161220 4106318 4322440 8212636 10265795 16425272 20531590 24745969 41063180 49491938 82126360 98983876 123729845 197967752 247459690 470173411 494919380 940346822 989838760 1880693644 2350867055 3761387288 4701734110 9403468220 18806936440
• Sum of all divisors σ(n): 44737668000
• Sum of proper divisors (its aliquot sum) s(n): 25930731560
• 18806936440 is an abundant number, because the sum of its proper divisors (25930731560) is greater than itself. Its abundance is 7123795120

Bases of 18806936440

• Binary: 10001100000111110110001001101111000₂
• Hexadecimal: 0x460FB1378
• Base-36: 8N15X14

Squares and roots of 18806936440

• 18806936440 squared (18806936440²) is 353700858258199873600
• 18806936440 cubed (18806936440³) is 6652029560035414131611233984000
• The square root of 18806936440 is 137138.3842693211
• The cube root of 18806936440 is 2659.3327721397

Scales and comparisons

• 18,806,936,440 seconds is equal to 598 years, 21 hours, 40 seconds.
• To count from 1 to 18,806,936,440 would take you about one thousand, one hundred ninety-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 18806936440 cubic inches would be around 221.6 feet tall.

Recreational maths with 18806936440

• 18806936440 backwards is 04463960881
• The number of decimal digits it has is: 11
• The sum of 18806936440's digits is 49
• More coming soon!