689490928

689,490,928 is an even composite number composed of three prime numbers multiplied together.

What does the number 689490928 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

689490928 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 689490928:

2⁴ × 7 × 6156169

(2 × 2 × 2 × 2 × 7 × 6156169)

See below for interesting mathematical facts about the number 689490928 from the Numbermatics database.

Names of 689490928

Cardinal: 689490928 can be written as Six hundred eighty-nine million, four hundred ninety thousand, nine hundred twenty-eight.

Scientific notation

Scientific notation: 6.89490928 × 10⁸

Factors of 689490928

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 6156178

Divisors of 689490928

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 7 8 14 16 28 56 112 6156169 12312338 24624676 43093183 49249352 86186366 98498704 172372732 344745464 689490928
Sum of all divisors σ(n): 1526730160
Sum of proper divisors (its aliquot sum) s(n): 837239232
689490928 is an abundant number, because the sum of its proper divisors (837239232) is greater than itself. Its abundance is 147748304

Bases of 689490928

Binary: 101001000110001100101111110000₂
Hexadecimal: 0x2918CBF0
Base-36: BEI6LS

Squares and roots of 689490928

689490928 squared (689490928²) is 475397739794301184
689490928 cubed (689490928³) is 327782428779875252467658752
The square root of 689490928 is 26258.1592652645
The cube root of 689490928 is 883.4382226777

Scales and comparisons

How big is 689490928?

689,490,928 seconds is equal to 21 years, 48 weeks, 5 hours, 15 minutes, 28 seconds.
To count from 1 to 689,490,928 would take you about thirty-two 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 689490928 cubic inches would be around 73.6 feet tall.

Recreational maths with 689490928

689490928 backwards is 829094986
The number of decimal digits it has is: 9
The sum of 689490928's digits is 55
More coming soon!

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The information we have on file for 689490928 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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