123431139819

Names of 123431139819

• Cardinal: 123431139819 can be written as One hundred twenty-three billion, four hundred thirty-one million, one hundred thirty-nine thousand, eight hundred nineteen.

Scientific notation

• Scientific notation: 1.23431139819 × 10¹¹

Factors of 123431139819

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3907

Divisors of 123431139819

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 13 27 39 117 181 351 543 631 1629 1893 2353 3079 4887 5679 7059 8203 9237 17037 21177 24609 27711 40027 63531 73827 83133 114211 120081 221481 342633 360243 557299 1027899 1080729 1484743 1671897 1942849 3083697 4454229 5015691 5828547 7244887 13362687 15047073 17485641 21734661 25257037 40088061 52456923 65203983 75771111 195611949 227313333 351655669 681939999 1054967007 3164901021 4571523697 9494703063 13714571091 41143713273 123431139819
• Sum of all divisors σ(n): 198393395200
• Sum of proper divisors (its aliquot sum) s(n): 74962255381
• 123431139819 is a deficient number, because the sum of its proper divisors (74962255381) is less than itself. Its deficiency is 48468884438

Bases of 123431139819

• Binary: 1110010111101000100011011100111101011₂
• Hexadecimal: 0x1CBD11B9EB
• Base-36: 1KPBPP0R

Squares and roots of 123431139819

• 123431139819 squared (123431139819²) is 15235246277017527352761
• 123431139819 cubed (123431139819³) is 1880503813395449624992299926690259
• The square root of 123431139819 is 351327.6815438829
• The cube root of 123431139819 is 4978.9937352119

Scales and comparisons

• 123,431,139,819 seconds is equal to 3,924 years, 37 weeks, 6 days, 3 hours, 43 minutes, 39 seconds.
• To count from 1 to 123,431,139,819 would take you about seven thousand, eight hundred forty-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 123431139819 cubic inches would be around 414.9 feet tall.

Recreational maths with 123431139819

• 123431139819 backwards is 918931134321
• The number of decimal digits it has is: 12
• The sum of 123431139819's digits is 45
• More coming soon!