121198470138

Names of 121198470138

• Cardinal: 121198470138 can be written as One hundred twenty-one billion, one hundred ninety-eight million, four hundred seventy thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.21198470138 × 10¹¹

Factors of 121198470138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 132216

Divisors of 121198470138

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 47 94 141 282 423 846 1093 2186 3279 6558 9837 19674 51371 102742 131071 154113 262142 308226 393213 462339 786426 924678 1179639 2359278 6160337 12320674 18481011 36962022 55443033 110886066 143260603 286521206 429781809 859563618 1289345427 2578690854 6733248341 13466496682 20199745023 40399490046 60599235069 121198470138
• Sum of all divisors σ(n): 268431261696
• Sum of proper divisors (its aliquot sum) s(n): 147232791558
• 121198470138 is an abundant number, because the sum of its proper divisors (147232791558) is greater than itself. Its abundance is 26034321420

Bases of 121198470138

• Binary: 1110000110111111111011110001111111010₂
• Hexadecimal: 0x1C37FDE3FA
• Base-36: 1JOEFU2I

Squares and roots of 121198470138

• 121198470138 squared (121198470138²) is 14689069163791677739044
• 121198470138 cubed (121198470138³) is 1780292710402822285308443590668072
• The square root of 121198470138 is 348135.7064967625
• The cube root of 121198470138 is 4948.7902378183

Scales and comparisons

• 121,198,470,138 seconds is equal to 3,853 years, 38 weeks, 2 days, 1 hour, 42 minutes, 18 seconds.
• To count from 1 to 121,198,470,138 would take you about seven thousand, seven hundred seven 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 121198470138 cubic inches would be around 412.4 feet tall.

Recreational maths with 121198470138

• 121198470138 backwards is 831074891121
• The number of decimal digits it has is: 12
• The sum of 121198470138's digits is 45
• More coming soon!