# 16402072368409425

## 16,402,072,368,409,425 is an odd composite number composed of four prime numbers multiplied together.

What does the number 16402072368409425 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

16402072368409425 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

## Prime factorization of 16402072368409425:

### 32 × 52 × 17 × 4288123495009

(3 × 3 × 5 × 5 × 17 × 4288123495009)

See below for interesting mathematical facts about the number 16402072368409425 from the Numbermatics database.

### Names of 16402072368409425

• Cardinal: 16402072368409425 can be written as Sixteen quadrillion, four hundred two trillion, seventy-two billion, three hundred sixty-eight million, four hundred nine thousand, four hundred twenty-five.

### Scientific notation

• Scientific notation: 1.6402072368409425 × 1016

### Factors of 16402072368409425

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4288123495034

### Divisors of 16402072368409425

• Number of divisors d(n): 36
• Complete list of divisors:
• Sum of all divisors σ(n): 31106047832802540
• Sum of proper divisors (its aliquot sum) s(n): 14703975464393115
• 16402072368409425 is a deficient number, because the sum of its proper divisors (14703975464393115) is less than itself. Its deficiency is 1698096904016310

### Bases of 16402072368409425

• Binary: 1110100100010110011001000100010001100101101011010100012
• Base-36: 4HI1S0V6WY9

### Squares and roots of 16402072368409425

• 16402072368409425 squared (164020723684094252) is 269027977978539964382704428830625
• 16402072368409425 cubed (164020723684094253) is 4412616363930869626669124214151405625443978640625
• The square root of 16402072368409425 is 128070575.7323259049
• The cube root of 16402072368409425 is 254077.5197307665

### Scales and comparisons

How big is 16402072368409425?
• 16,402,072,368,409,425 seconds is equal to 521,535,166 years, 19 weeks, 3 days, 7 hours, 3 minutes, 45 seconds.
• To count from 1 to 16,402,072,368,409,425 would take you about one billion, five hundred sixty-four million, six hundred five thousand, four hundred ninety-nine 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 16402072368409425 cubic inches would be around 21173.1 feet tall.

### Recreational maths with 16402072368409425

• 16402072368409425 backwards is 52490486327020461
• The number of decimal digits it has is: 17
• The sum of 16402072368409425's digits is 63
• More coming soon!