166440

166,440 is an even composite number composed of five prime numbers multiplied together.

What does the number 166440 look like?

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

166440 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 166440:

2³ × 3 × 5 × 19 × 73

(2 × 2 × 2 × 3 × 5 × 19 × 73)

See below for interesting mathematical facts about the number 166440 from the Numbermatics database.

Names of 166440

Cardinal: 166440 can be written as One hundred sixty-six thousand, four hundred forty.

Scientific notation

Scientific notation: 1.6644 × 10⁵

Factors of 166440

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 7
Sum of prime factors: 102

Divisors of 166440

Number of divisors d(n): 64
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 73 76 95 114 120 146 152 190 219 228 285 292 365 380 438 456 570 584 730 760 876 1095 1140 1387 1460 1752 2190 2280 2774 2920 4161 4380 5548 6935 8322 8760 11096 13870 16644 20805 27740 33288 41610 55480 83220 166440
Sum of all divisors σ(n): 532800
Sum of proper divisors (its aliquot sum) s(n): 366360
166440 is an abundant number, because the sum of its proper divisors (366360) is greater than itself. Its abundance is 199920

Bases of 166440

Binary: 101000101000101000₂
Hexadecimal: 0x28A28
Base-36: 3KFC

Squares and roots of 166440

166440 squared (166440²) is 27702273600
166440 cubed (166440³) is 4610766417984000
The square root of 166440 is 407.9705871751
The cube root of 166440 is 55.0071616019

Scales and comparisons

How big is 166440?

166,440 seconds is equal to 1 day, 22 hours, 14 minutes.
To count from 1 to 166,440 would take you about twenty-two 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 166440 cubic inches would be around 4.6 feet tall.

Recreational maths with 166440

166440 backwards is 044661
The number of decimal digits it has is: 6
The sum of 166440's digits is 21
More coming soon!

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The information we have on file for 166440 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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