138171437

Names of 138171437

• Cardinal: 138171437 can be written as One hundred thirty-eight million, one hundred seventy-one thousand, four hundred thirty-seven.

Scientific notation

• Scientific notation: 1.38171437 × 10⁸

Factors of 138171437

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 83118

Divisors of 138171437

• Number of divisors d(n): 4
• Complete list of divisors:
  1 1697 81421 138171437
• Sum of all divisors σ(n): 138254556
• Sum of proper divisors (its aliquot sum) s(n): 83119
• 138171437 is a deficient number, because the sum of its proper divisors (83119) is less than itself. Its deficiency is 138088318

Bases of 138171437

• Binary: 1000001111000101010000101101₂
• Hexadecimal: 0x83C542D
• Base-36: 2A9HRH

Squares and roots of 138171437

• 138171437 squared (138171437²) is 19091346002644969
• 138171437 cubed (138171437³) is 2637878711449661167550453
• The square root of 138171437 is 11754.6347029587
• The cube root of 138171437 is 516.9788285399

Scales and comparisons

• 138,171,437 seconds is equal to 4 years, 20 weeks, 3 days, 4 hours, 57 minutes, 17 seconds.
• To count from 1 to 138,171,437 would take you about six 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 138171437 cubic inches would be around 43.1 feet tall.

Recreational maths with 138171437

• 138171437 backwards is 734171831
• The number of decimal digits it has is: 9
• The sum of 138171437's digits is 35
• More coming soon!