389944009

389,944,009 is an odd composite number composed of three prime numbers multiplied together.

What does the number 389944009 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 45 divisors.

389944009 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-five divisors.

Prime factorization of 389944009:

7⁴ × 13² × 31²

(7 × 7 × 7 × 7 × 13 × 13 × 31 × 31)

See below for interesting mathematical facts about the number 389944009 from the Numbermatics database.

Names of 389944009

Cardinal: 389944009 can be written as Three hundred eighty-nine million, nine hundred forty-four thousand and nine.

Scientific notation

Scientific notation: 3.89944009 × 10⁸

Factors of 389944009

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 51

Divisors of 389944009

Number of divisors d(n): 45
Complete list of divisors:
1 7 13 31 49 91 169 217 343 403 637 961 1183 1519 2401 2821 4459 5239 6727 8281 10633 12493 19747 31213 36673 47089 57967 74431 87451 138229 162409 256711 329623 405769 612157 967603 1136863 1796977 2307361 4285099 7958041 12578839 29995693 55706287 389944009
Sum of all divisors σ(n): 508994919
Sum of proper divisors (its aliquot sum) s(n): 119050910
389944009 is a deficient number, because the sum of its proper divisors (119050910) is less than itself. Its deficiency is 270893099

Bases of 389944009

Binary: 10111001111100001001011001001₂
Hexadecimal: 0x173E12C9
Base-36: 6G5UQ1

Squares and roots of 389944009

389944009 squared (389944009²) is 152056330154992081
389944009 cubed (389944009³) is 59293454974465203428392729
389944009 is a perfect square number. Its square root is 19747
The cube root of 389944009 is 730.5793917769

Scales and comparisons

How big is 389944009?

389,944,009 seconds is equal to 12 years, 20 weeks, 5 days, 5 hours, 46 minutes, 49 seconds.
To count from 1 to 389,944,009 would take you about eighteen 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 389944009 cubic inches would be around 60.9 feet tall.

Recreational maths with 389944009

389944009 backwards is 900449983
The number of decimal digits it has is: 9
The sum of 389944009's digits is 46
More coming soon!

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The information we have on file for 389944009 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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