168400420

168,400,420 is an even composite number composed of four prime numbers multiplied together.

What does the number 168400420 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

168400420 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 168400420:

2² × 5 × 19 × 443159

(2 × 2 × 5 × 19 × 443159)

See below for interesting mathematical facts about the number 168400420 from the Numbermatics database.

Names of 168400420

Cardinal: 168400420 can be written as One hundred sixty-eight million, four hundred thousand, four hundred twenty.

Scientific notation

Scientific notation: 1.6840042 × 10⁸

Factors of 168400420

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 443185

Divisors of 168400420

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 10 19 20 38 76 95 190 380 443159 886318 1772636 2215795 4431590 8420021 8863180 16840042 33680084 42100105 84200210 168400420
Sum of all divisors σ(n): 372254400
Sum of proper divisors (its aliquot sum) s(n): 203853980
168400420 is an abundant number, because the sum of its proper divisors (203853980) is greater than itself. Its abundance is 35453560

Bases of 168400420

Binary: 1010000010011001011000100100₂
Hexadecimal: 0xA099624
Base-36: 2S9ELG

Squares and roots of 168400420

168400420 squared (168400420²) is 28358701456176400
168400420 cubed (168400420³) is 4775617235874717354088000
The square root of 168400420 is 12976.9187405947
The cube root of 168400420 is 552.2228717405

Scales and comparisons

How big is 168400420?

168,400,420 seconds is equal to 5 years, 18 weeks, 3 days, 1 hour, 53 minutes, 40 seconds.
To count from 1 to 168,400,420 would take you about eight 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 168400420 cubic inches would be around 46 feet tall.

Recreational maths with 168400420

168400420 backwards is 024004861
The number of decimal digits it has is: 9
The sum of 168400420's digits is 25
More coming soon!

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The information we have on file for 168400420 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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