1638149087800

Names of 1638149087800

• Cardinal: 1638149087800 can be written as One trillion, six hundred thirty-eight billion, one hundred forty-nine million, eighty-seven thousand, eight hundred.

Scientific notation

• Scientific notation: 1.6381490878 × 10¹²

Factors of 1638149087800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 199774327

Divisors of 1638149087800

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 20 25 40 41 50 82 100 164 200 205 328 410 820 1025 1640 2050 4100 8200 199774279 399548558 799097116 998871395 1598194232 1997742790 3995485580 4994356975 7990971160 8190745439 9988713950 16381490878 19977427900 32762981756 39954855800 40953727195 65525963512 81907454390 163814908780 204768635975 327629817560 409537271950 819074543900 1638149087800
• Sum of all divisors σ(n): 3901591688400
• Sum of proper divisors (its aliquot sum) s(n): 2263442600600
• 1638149087800 is an abundant number, because the sum of its proper divisors (2263442600600) is greater than itself. Its abundance is 625293512800

Bases of 1638149087800

• Binary: 10111110101101001010010110110001000111000₂
• Hexadecimal: 0x17D694B6238
• Base-36: KWJZO5RS

Squares and roots of 1638149087800

• 1638149087800 squared (1638149087800²) is 2683532433859972108840000
• 1638149087800 cubed (1638149087800³) is 4396026208609427143029688316152000000
• The square root of 1638149087800 is 1279901.9836690621
• The cube root of 1638149087800 is 11788.2989625507

Scales and comparisons

• 1,638,149,087,800 seconds is equal to 52,088 years, 3 weeks, 5 days, 21 hours, 16 minutes, 40 seconds.
• To count from 1 to 1,638,149,087,800 would take you about one hundred thirty thousand, two hundred twenty 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 1638149087800 cubic inches would be around 982.4 feet tall.

Recreational maths with 1638149087800

• 1638149087800 backwards is 0087809418361
• The number of decimal digits it has is: 13
• The sum of 1638149087800's digits is 55
• More coming soon!