# 100861

## 100,861 is an odd composite number composed of two prime numbers multiplied together.

What does the number 100861 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

100861 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 100861:

### 172 × 349

(17 × 17 × 349)

See below for interesting mathematical facts about the number 100861 from the Numbermatics database.

### Names of 100861

• Cardinal: 100861 can be written as One hundred thousand, eight hundred sixty-one.

### Scientific notation

• Scientific notation: 1.00861 × 105

### Factors of 100861

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 366

### Divisors of 100861

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 107450
• Sum of proper divisors (its aliquot sum) s(n): 6589
• 100861 is a deficient number, because the sum of its proper divisors (6589) is less than itself. Its deficiency is 94272

### Bases of 100861

• Binary: 110001001111111012
• Base-36: 25TP

### Squares and roots of 100861

• 100861 squared (1008612) is 10172941321
• 100861 cubed (1008613) is 1026053034577381
• The square root of 100861 is 317.5862087687
• The cube root of 100861 is 46.5487214311

### Scales and comparisons

How big is 100861?
• 100,861 seconds is equal to 1 day, 4 hours, 1 minute, 1 second.
• To count from 1 to 100,861 would take you about four hours.

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 100861 cubic inches would be around 3.9 feet tall.

### Recreational maths with 100861

• 100861 backwards is 168001
• The number of decimal digits it has is: 6
• The sum of 100861's digits is 16
• More coming soon!