6406640

6,406,640 is an even composite number composed of four prime numbers multiplied together.

What does the number 6406640 look like?

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

6406640 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 6406640:

2⁴ × 5 × 53 × 1511

(2 × 2 × 2 × 2 × 5 × 53 × 1511)

See below for interesting mathematical facts about the number 6406640 from the Numbermatics database.

Names of 6406640

Cardinal: 6406640 can be written as Six million, four hundred six thousand, six hundred forty.

Scientific notation

Scientific notation: 6.40664 × 10⁶

Factors of 6406640

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 1571

Divisors of 6406640

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 16 20 40 53 80 106 212 265 424 530 848 1060 1511 2120 3022 4240 6044 7555 12088 15110 24176 30220 60440 80083 120880 160166 320332 400415 640664 800830 1281328 1601660 3203320 6406640
Sum of all divisors σ(n): 15186528
Sum of proper divisors (its aliquot sum) s(n): 8779888
6406640 is an abundant number, because the sum of its proper divisors (8779888) is greater than itself. Its abundance is 2373248

Bases of 6406640

Binary: 11000011100000111110000₂
Hexadecimal: 0x61C1F0
Base-36: 3TBE8

Squares and roots of 6406640

6406640 squared (6406640²) is 41045036089600
6406640 cubed (6406640³) is 262960770013074944000
The square root of 6406640 is 2531.1341331505
The cube root of 6406640 is 185.7277397973

Scales and comparisons

How big is 6406640?

6,406,640 seconds is equal to 10 weeks, 4 days, 3 hours, 37 minutes, 20 seconds.
To count from 1 to 6,406,640 would take you about fifteen 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 6406640 cubic inches would be around 15.5 feet tall.

Recreational maths with 6406640

6406640 backwards is 0466046
The number of decimal digits it has is: 7
The sum of 6406640's digits is 26
More coming soon!

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The information we have on file for 6406640 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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