16385408

16,385,408 is an even composite number composed of four prime numbers multiplied together.

What does the number 16385408 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 64 divisors.

16385408 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.

Prime factorization of 16385408:

27 × 13 × 43 × 229

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 43 × 229)

See below for interesting mathematical facts about the number 16385408 from the Numbermatics database.

Names of 16385408

• Cardinal: 16385408 can be written as Sixteen million, three hundred eighty-five thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.6385408 × 107

Factors of 16385408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 287

Divisors of 16385408

• Number of divisors d(n): 64
• Complete list of divisors:
• Sum of all divisors σ(n): 36128400
• Sum of proper divisors (its aliquot sum) s(n): 19742992
• 16385408 is an abundant number, because the sum of its proper divisors (19742992) is greater than itself. Its abundance is 3357584

Bases of 16385408

• Binary: 1111101000000101100000002
• Base-36: 9R728

Squares and roots of 16385408

• 16385408 squared (163854082) is 268481595326464
• 16385408 cubed (163854083) is 4399180479915005837312
• The square root of 16385408 is 4047.8893265503
• The cube root of 16385408 is 253.9914436947

Scales and comparisons

How big is 16385408?
• 16,385,408 seconds is equal to 27 weeks, 15 hours, 30 minutes, 8 seconds.
• To count from 1 to 16,385,408 would take you about forty weeks!

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 16385408 cubic inches would be around 21.2 feet tall.

Recreational maths with 16385408

• 16385408 backwards is 80458361
• The number of decimal digits it has is: 8
• The sum of 16385408's digits is 35
• More coming soon!