121438748250

Names of 121438748250

• Cardinal: 121438748250 can be written as One hundred twenty-one billion, four hundred thirty-eight million, seven hundred forty-eight thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.2143874825 × 10¹¹

Factors of 121438748250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 84592

Divisors of 121438748250

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 125 150 225 250 375 450 643 750 1125 1286 1929 2250 3215 3858 5787 6430 9645 11574 16075 19290 28935 32150 48225 57870 80375 83939 96450 144675 160750 167878 241125 251817 289350 419695 482250 503634 723375 755451 839390 1259085 1446750 1510902 2098475 2518170 3777255 4196950 6295425 7554510 10492375 12590850 18886275 20984750 31477125 37772550 53972777 62954250 94431375 107945554 161918331 188862750 269863885 323836662 485754993 539727770 809591655 971509986 1349319425 1619183310 2428774965 2698638850 4047958275 4857549930 6746597125 8095916550 12143874825 13493194250 20239791375 24287749650 40479582750 60719374125 121438748250
• Sum of all divisors σ(n): 328884978240
• Sum of proper divisors (its aliquot sum) s(n): 207446229990
• 121438748250 is an abundant number, because the sum of its proper divisors (207446229990) is greater than itself. Its abundance is 86007481740

Bases of 121438748250

• Binary: 1110001000110010100000011111001011010₂
• Hexadecimal: 0x1C46503E5A
• Base-36: 1JSDHTUI

Squares and roots of 121438748250

• 121438748250 squared (121438748250²) is 14747369576526878062500
• 121438748250 cubed (121438748250³) is 1790902101353556654390385265625000
• The square root of 121438748250 is 348480.6282277395
• The cube root of 121438748250 is 4952.0584337601

Scales and comparisons

• 121,438,748,250 seconds is equal to 3,861 years, 19 weeks, 4 days, 1 hour, 37 minutes, 30 seconds.
• To count from 1 to 121,438,748,250 would take you about seven thousand, seven hundred twenty-two 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 121438748250 cubic inches would be around 412.7 feet tall.

Recreational maths with 121438748250

• 121438748250 backwards is 052847834121
• 121438748250 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121438748250's digits is 45
• More coming soon!