18989397

18,989,397 is an odd composite number composed of four prime numbers multiplied together.

What does the number 18989397 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

18989397 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 18989397:

3⁴ × 7 × 107 × 313

(3 × 3 × 3 × 3 × 7 × 107 × 313)

See below for interesting mathematical facts about the number 18989397 from the Numbermatics database.

Names of 18989397

Cardinal: 18989397 can be written as Eighteen million, nine hundred eighty-nine thousand, three hundred ninety-seven.

Scientific notation

Scientific notation: 1.8989397 × 10⁷

Factors of 18989397

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 430

Divisors of 18989397

Number of divisors d(n): 40
Complete list of divisors:
1 3 7 9 21 27 63 81 107 189 313 321 567 749 939 963 2191 2247 2817 2889 6573 6741 8451 8667 19719 20223 25353 33491 59157 60669 100473 177471 234437 301419 703311 904257 2109933 2712771 6329799 18989397
Sum of all divisors σ(n): 32826816
Sum of proper divisors (its aliquot sum) s(n): 13837419
18989397 is a deficient number, because the sum of its proper divisors (13837419) is less than itself. Its deficiency is 5151978

Bases of 18989397

Binary: 1001000011100000101010101₂
Hexadecimal: 0x121C155
Base-36: BB0B9

Squares and roots of 18989397

18989397 squared (18989397²) is 360597198423609
18989397 cubed (18989397³) is 6847523357953685473773
The square root of 18989397 is 4357.6825262977
The cube root of 18989397 is 266.7905186841

Scales and comparisons

How big is 18989397?

18,989,397 seconds is equal to 31 weeks, 2 days, 18 hours, 49 minutes, 57 seconds.
To count from 1 to 18,989,397 would take you about forty-seven weeks!

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 18989397 cubic inches would be around 22.2 feet tall.

Recreational maths with 18989397

18989397 backwards is 79398981
The number of decimal digits it has is: 8
The sum of 18989397's digits is 54
More coming soon!

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The information we have on file for 18989397 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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