# 21267747211816

## 21,267,747,211,816 is an even composite number composed of three prime numbers multiplied together.

What does the number 21267747211816 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 48 divisors.

21267747211816 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 21267747211816:

### 23 × 73 × 19792

(2 × 2 × 2 × 7 × 7 × 7 × 1979 × 1979)

See below for interesting mathematical facts about the number 21267747211816 from the Numbermatics database.

### Names of 21267747211816

• Cardinal: 21267747211816 can be written as Twenty-one trillion, two hundred sixty-seven billion, seven hundred forty-seven million, two hundred eleven thousand, eight hundred sixteen.

### Scientific notation

• Scientific notation: 2.1267747211816 × 1013

### Factors of 21267747211816

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1988

### Divisors of 21267747211816

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 21280511023712
• Sum of proper divisors (its aliquot sum) s(n): 12763811896
• 21267747211816 is a deficient number, because the sum of its proper divisors (12763811896) is less than itself. Its deficiency is 21254983399920

### Bases of 21267747211816

• Binary: 1001101010111110010001000010010001010001010002
• Base-36: 7JE9NKMJS

### Squares and roots of 21267747211816

• 21267747211816 squared (212677472118162) is 452317071465707241970017856
• 21267747211816 cubed (212677472118163) is 9619765135521573607866366512011734186496
• The square root of 21267747211816 is 4611696.7822934759
• 21267747211816 is a perfect cube number. Its cube root is 27706

### Scales and comparisons

How big is 21267747211816?
• 21,267,747,211,816 seconds is equal to 676,248 years, 29 weeks, 6 days, 14 hours, 50 minutes, 16 seconds.
• To count from 1 to 21,267,747,211,816 would take you about one million, six hundred ninety thousand, six hundred twenty-one 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 21267747211816 cubic inches would be around 2308.8 feet tall.

### Recreational maths with 21267747211816

• 21267747211816 backwards is 61811274776212
• The number of decimal digits it has is: 14
• The sum of 21267747211816's digits is 55
• More coming soon!