66690

66,690 is an even composite number composed of five prime numbers multiplied together.

What does the number 66690 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 64 divisors.

66690 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.

Prime factorization of 66690:

2 × 3³ × 5 × 13 × 19

(2 × 3 × 3 × 3 × 5 × 13 × 19)

See below for interesting mathematical facts about the number 66690 from the Numbermatics database.

Names of 66690

Cardinal: 66690 can be written as Sixty-six thousand, six hundred ninety.

Scientific notation

Scientific notation: 6.669 × 10⁴

Factors of 66690

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 7
Sum of prime factors: 42

Divisors of 66690

Number of divisors d(n): 64
Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 19 26 27 30 38 39 45 54 57 65 78 90 95 114 117 130 135 171 190 195 234 247 270 285 342 351 390 494 513 570 585 702 741 855 1026 1170 1235 1482 1710 1755 2223 2470 2565 3510 3705 4446 5130 6669 7410 11115 13338 22230 33345 66690
Sum of all divisors σ(n): 201600
Sum of proper divisors (its aliquot sum) s(n): 134910
66690 is an abundant number, because the sum of its proper divisors (134910) is greater than itself. Its abundance is 68220

Bases of 66690

Binary: 10000010010000010₂
Hexadecimal: 0x10482
Base-36: 1FGI

Squares and roots of 66690

66690 squared (66690²) is 4447556100
66690 cubed (66690³) is 296607516309000
The square root of 66690 is 258.2440705999
The cube root of 66690 is 40.5527433537

Scales and comparisons

How big is 66690?

66,690 seconds is equal to 18 hours, 31 minutes, 30 seconds.
To count from 1 to 66,690 would take you about eighteen hours.

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 66690 cubic inches would be around 3.4 feet tall.

Recreational maths with 66690

66690 backwards is 09666
66690 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 66690's digits is 27
More coming soon!

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The information we have on file for 66690 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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