138756446

Names of 138756446

• Cardinal: 138756446 can be written as One hundred thirty-eight million, seven hundred fifty-six thousand, four hundred forty-six.

Scientific notation

• Scientific notation: 1.38756446 × 10⁸

Factors of 138756446

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 69378225

Divisors of 138756446

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 69378223 138756446
• Sum of all divisors σ(n): 208134672
• Sum of proper divisors (its aliquot sum) s(n): 69378226
• 138756446 is a deficient number, because the sum of its proper divisors (69378226) is less than itself. Its deficiency is 69378220

Bases of 138756446

• Binary: 1000010001010100000101011110₂
• Hexadecimal: 0x845415E
• Base-36: 2AM15Q

Squares and roots of 138756446

• 138756446 squared (138756446²) is 19253351306550916
• 138756446 cubed (138756446³) is 2671526600886461622204536
• The square root of 138756446 is 11779.4926036735
• The cube root of 138756446 is 517.7074196343

Scales and comparisons

• 138,756,446 seconds is equal to 4 years, 21 weeks, 2 days, 23 hours, 27 minutes, 26 seconds.
• To count from 1 to 138,756,446 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 138756446 cubic inches would be around 43.1 feet tall.

Recreational maths with 138756446

• 138756446 backwards is 644657831
• The number of decimal digits it has is: 9
• The sum of 138756446's digits is 44
• More coming soon!