998421

998,421 is an odd composite number composed of four prime numbers multiplied together.

What does the number 998421 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

998421 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 998421:

3 × 47 × 73 × 97

See below for interesting mathematical facts about the number 998421 from the Numbermatics database.

Names of 998421

Cardinal: 998421 can be written as Nine hundred ninety-eight thousand, four hundred twenty-one.

Scientific notation

Scientific notation: 9.98421 × 10⁵

Factors of 998421

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 220

Divisors of 998421

Number of divisors d(n): 16
Complete list of divisors:
1 3 47 73 97 141 219 291 3431 4559 7081 10293 13677 21243 332807 998421
Sum of all divisors σ(n): 1392384
Sum of proper divisors (its aliquot sum) s(n): 393963
998421 is a deficient number, because the sum of its proper divisors (393963) is less than itself. Its deficiency is 604458

Bases of 998421

Binary: 11110011110000010101₂
Hexadecimal: 0xF3C15
Base-36: LEDX

Squares and roots of 998421

998421 squared (998421²) is 996844493241
998421 cubed (998421³) is 995270475786172461
The square root of 998421 is 999.2101880985
The cube root of 998421 is 99.9473389397

Scales and comparisons

How big is 998421?

998,421 seconds is equal to 1 week, 4 days, 13 hours, 20 minutes, 21 seconds.
To count from 1 to 998,421 would take you about four days!

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 998421 cubic inches would be around 8.3 feet tall.

Recreational maths with 998421

998421 backwards is 124899
The number of decimal digits it has is: 6
The sum of 998421's digits is 33
More coming soon!

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The information we have on file for 998421 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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