# 27994978490

## 27,994,978,490 is an even composite number composed of five prime numbers multiplied together.

What does the number 27994978490 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

27994978490 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

## Prime factorization of 27994978490:

### 2 × 5 × 433 × 653 × 9901

See below for interesting mathematical facts about the number 27994978490 from the Numbermatics database.

### Names of 27994978490

• Cardinal: 27994978490 can be written as Twenty-seven billion, nine hundred ninety-four million, nine hundred seventy-eight thousand, four hundred ninety.

### Scientific notation

• Scientific notation: 2.799497849 × 1010

### Factors of 27994978490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 10994

### Divisors of 27994978490

• Number of divisors d(n): 32
• Complete list of divisors:
• Sum of all divisors σ(n): 50589793296
• Sum of proper divisors (its aliquot sum) s(n): 22594814806
• 27994978490 is a deficient number, because the sum of its proper divisors (22594814806) is less than itself. Its deficiency is 5400163684

### Bases of 27994978490

• Binary: 110100001001010000101111000101110102
• Base-36: CUZHJNE

### Squares and roots of 27994978490

• 27994978490 squared (279949784902) is 783718820655562680100
• 27994978490 cubed (279949784903) is 21940191526460644928246251049000
• The square root of 27994978490 is 167317.0000029885
• The cube root of 27994978490 is 3036.4074340957

### Scales and comparisons

How big is 27994978490?
• 27,994,978,490 seconds is equal to 890 years, 7 weeks, 6 days, 22 hours, 54 minutes, 50 seconds.
• To count from 1 to 27,994,978,490 would take you about one thousand, seven hundred eighty 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 27994978490 cubic inches would be around 253 feet tall.

### Recreational maths with 27994978490

• 27994978490 backwards is 09487949972
• The number of decimal digits it has is: 11
• The sum of 27994978490's digits is 68
• More coming soon!