138858393222

Names of 138858393222

• Cardinal: 138858393222 can be written as One hundred thirty-eight billion, eight hundred fifty-eight million, three hundred ninety-three thousand, two hundred twenty-two.

Scientific notation

• Scientific notation: 1.38858393222 × 10¹¹

Factors of 138858393222

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 382466

Divisors of 138858393222

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 61 122 183 331 366 549 662 993 1098 1986 2979 5958 20191 40382 60573 121146 181719 363438 382069 764138 1146207 2292414 3438621 6877242 23306209 46612418 69918627 126464839 139837254 209755881 252929678 379394517 419511762 758789034 1138183551 2276367102 7714355179 15428710358 23143065537 46286131074 69429196611 138858393222
• Sum of all divisors σ(n): 306716626320
• Sum of proper divisors (its aliquot sum) s(n): 167858233098
• 138858393222 is an abundant number, because the sum of its proper divisors (167858233098) is greater than itself. Its abundance is 28999839876

Bases of 138858393222

• Binary: 10000001010100100110101110111010000110₂
• Hexadecimal: 0x20549AEE86
• Base-36: 1RSGP9XI

Squares and roots of 138858393222

• 138858393222 squared (138858393222²) is 19281653368195575541284
• 138858393222 cubed (138858393222³) is 2677419405371201977112219166777048
• The square root of 138858393222 is 372637.0797733365
• The cube root of 138858393222 is 5178.3417870023

Scales and comparisons

• 138,858,393,222 seconds is equal to 4,415 years, 13 weeks, 6 days, 7 hours, 53 minutes, 42 seconds.
• To count from 1 to 138,858,393,222 would take you about eight thousand, eight hundred thirty 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 138858393222 cubic inches would be around 431.5 feet tall.

Recreational maths with 138858393222

• 138858393222 backwards is 222393858831
• The number of decimal digits it has is: 12
• The sum of 138858393222's digits is 54
• More coming soon!