18643380752

Names of 18643380752

• Cardinal: 18643380752 can be written as Eighteen billion, six hundred forty-three million, three hundred eighty thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 1.8643380752 × 10¹⁰

Factors of 18643380752

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 506

Divisors of 18643380752

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 17 34 68 136 272 289 487 578 974 1156 1948 2312 3896 4624 4913 7792 8279 9826 16558 19652 33116 39304 66232 78608 132464 140743 237169 281486 474338 562972 948676 1125944 1897352 2251888 2392631 3794704 4031873 4785262 8063746 9570524 16127492 19141048 32254984 38282096 64509968 68541841 137083682 274167364 548334728 1096669456 1165211297 2330422594 4660845188 9321690376 18643380752
• Sum of all divisors σ(n): 38457655740
• Sum of proper divisors (its aliquot sum) s(n): 19814274988
• 18643380752 is an abundant number, because the sum of its proper divisors (19814274988) is greater than itself. Its abundance is 1170894236

Bases of 18643380752

• Binary: 10001010111001110110110101000010000₂
• Hexadecimal: 0x4573B6A10
• Base-36: 8KBSCNK

Squares and roots of 18643380752

• 18643380752 squared (18643380752²) is 347575645864044085504
• 18643380752 cubed (18643380752³) is 6479985105965687912564715819008
• The square root of 18643380752 is 136540.7658979545
• The cube root of 18643380752 is 2651.6012988175

Scales and comparisons

• 18,643,380,752 seconds is equal to 592 years, 41 weeks, 4 days, 20 hours, 52 minutes, 32 seconds.
• To count from 1 to 18,643,380,752 would take you about one thousand, one hundred eighty-five 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 18643380752 cubic inches would be around 221 feet tall.

Recreational maths with 18643380752

• 18643380752 backwards is 25708334681
• The number of decimal digits it has is: 11
• The sum of 18643380752's digits is 47
• More coming soon!