# 77745393309

## 77,745,393,309 is an odd composite number composed of two prime numbers multiplied together.

What does the number 77745393309 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

77745393309 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 77745393309:

### 3 × 25915131103

See below for interesting mathematical facts about the number 77745393309 from the Numbermatics database.

### Names of 77745393309

• Cardinal: 77745393309 can be written as Seventy-seven billion, seven hundred forty-five million, three hundred ninety-three thousand, three hundred nine.

### Scientific notation

• Scientific notation: 7.7745393309 × 1010

### Factors of 77745393309

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 25915131106

### Divisors of 77745393309

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 103660524416
• Sum of proper divisors (its aliquot sum) s(n): 25915131107
• 77745393309 is a deficient number, because the sum of its proper divisors (25915131107) is less than itself. Its deficiency is 51830262202

### Bases of 77745393309

• Binary: 10010000110011111110010001110100111012
• Base-36: ZPRLLEL

### Squares and roots of 77745393309

• 77745393309 squared (777453933092) is 6044346180771101969481
• 77745393309 cubed (777453933093) is 469920071119801335518644859602629
• The square root of 77745393309 is 278828.6092010645
• The cube root of 77745393309 is 4268.0046932951

### Scales and comparisons

How big is 77745393309?
• 77,745,393,309 seconds is equal to 2,472 years, 3 weeks, 1 day, 22 hours, 35 minutes, 9 seconds.
• To count from 1 to 77,745,393,309 would take you about four thousand, nine hundred forty-four 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 77745393309 cubic inches would be around 355.7 feet tall.

### Recreational maths with 77745393309

• 77745393309 backwards is 90339354777
• The number of decimal digits it has is: 11
• The sum of 77745393309's digits is 57
• More coming soon!