138215292250

Names of 138215292250

• Cardinal: 138215292250 can be written as One hundred thirty-eight billion, two hundred fifteen million, two hundred ninety-two thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.3821529225 × 10¹¹

Factors of 138215292250

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3373

Divisors of 138215292250

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 5 7 10 14 25 35 49 50 70 98 125 175 245 250 350 490 875 1225 1750 2450 3359 6125 6718 12250 16795 23513 33590 47026 83975 117565 164591 167950 235130 329182 419875 587825 822955 839750 1175650 1645910 2939125 4114775 5878250 8229550 11282881 20573875 22565762 41147750 56414405 78980167 112828810 157960334 282072025 394900835 552861169 564144050 789801670 1105722338 1410360125 1974504175 2764305845 2820720250 3949008350 5528611690 9872520875 13821529225 19745041750 27643058450 69107646125 138215292250
• Sum of all divisors σ(n): 301071764916
• Sum of proper divisors (its aliquot sum) s(n): 162856472666
• 138215292250 is an abundant number, because the sum of its proper divisors (162856472666) is greater than itself. Its abundance is 24641180416

Bases of 138215292250

• Binary: 10000000101110010001011111110101011010₂
• Hexadecimal: 0x202E45FD5A
• Base-36: 1RHTTE1M

Squares and roots of 138215292250

• 138215292250 squared (138215292250²) is 19103467011752910062500
• 138215292250 cubed (138215292250³) is 2640391276017662649076403265625000
• The square root of 138215292250 is 371773.1731176955
• The cube root of 138215292250 is 5170.3351866009

Scales and comparisons

• 138,215,292,250 seconds is equal to 4,394 years, 42 weeks, 4 days, 44 minutes, 10 seconds.
• To count from 1 to 138,215,292,250 would take you about eight thousand, seven hundred eighty-nine 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 138215292250 cubic inches would be around 430.9 feet tall.

Recreational maths with 138215292250

• 138215292250 backwards is 052292512831
• The number of decimal digits it has is: 12
• The sum of 138215292250's digits is 40
• More coming soon!