161490

161,490 is an even composite number composed of five prime numbers multiplied together.

What does the number 161490 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

161490 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 161490:

2 × 3 × 5 × 7 × 769

See below for interesting mathematical facts about the number 161490 from the Numbermatics database.

Names of 161490

Cardinal: 161490 can be written as One hundred sixty-one thousand, four hundred ninety.

Scientific notation

Scientific notation: 1.6149 × 10⁵

Factors of 161490

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 786

Divisors of 161490

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 769 1538 2307 3845 4614 5383 7690 10766 11535 16149 23070 26915 32298 53830 80745 161490
Sum of all divisors σ(n): 443520
Sum of proper divisors (its aliquot sum) s(n): 282030
161490 is an abundant number, because the sum of its proper divisors (282030) is greater than itself. Its abundance is 120540

Bases of 161490

Binary: 100111011011010010₂
Hexadecimal: 0x276D2
Base-36: 3GLU

Squares and roots of 161490

161490 squared (161490²) is 26079020100
161490 cubed (161490³) is 4211500955949000
The square root of 161490 is 401.8581839405
The cube root of 161490 is 54.4563520007

Scales and comparisons

How big is 161490?

161,490 seconds is equal to 1 day, 20 hours, 51 minutes, 30 seconds.
To count from 1 to 161,490 would take you about twenty 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 161490 cubic inches would be around 4.5 feet tall.

Recreational maths with 161490

161490 backwards is 094161
161490 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 161490's digits is 21
More coming soon!

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The information we have on file for 161490 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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