138233981070

Names of 138233981070

• Cardinal: 138233981070 can be written as One hundred thirty-eight billion, two hundred thirty-three million, nine hundred eighty-one thousand and seventy.

Scientific notation

• Scientific notation: 1.3823398107 × 10¹¹

Factors of 138233981070

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 66779734

Divisors of 138233981070

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 66779701 133559402 200339103 333898505 400678206 601017309 667797010 1001695515 1202034618 1535933123 2003391030 3005086545 3071866246 4607799369 6010173090 7679665615 9215598738 13823398107 15359331230 23038996845 27646796214 46077993690 69116990535 138233981070
• Sum of all divisors σ(n): 375034806432
• Sum of proper divisors (its aliquot sum) s(n): 236800825362
• 138233981070 is an abundant number, because the sum of its proper divisors (236800825362) is greater than itself. Its abundance is 98566844292

Bases of 138233981070

• Binary: 10000000101111011000110010100010001110₂
• Hexadecimal: 0x202F63288E
• Base-36: 1RI4XYFI

Squares and roots of 138233981070

• 138233981070 squared (138233981070²) is 19108633522461118344900
• 138233981070 cubed (138233981070³) is 2641462484617457653099936331043000
• The square root of 138233981070 is 371798.3069757043
• The cube root of 138233981070 is 5170.5682122119

Scales and comparisons

• 138,233,981,070 seconds is equal to 4,395 years, 21 weeks, 3 days, 8 hours, 4 minutes, 30 seconds.
• To count from 1 to 138,233,981,070 would take you about eight thousand, seven hundred ninety 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 138233981070 cubic inches would be around 430.9 feet tall.

Recreational maths with 138233981070

• 138233981070 backwards is 070189332831
• 138233981070 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138233981070's digits is 45
• More coming soon!