149721290

149,721,290 is an even composite number composed of four prime numbers multiplied together.

What does the number 149721290 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

149721290 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 149721290:

2 × 5 × 53 × 282493

See below for interesting mathematical facts about the number 149721290 from the Numbermatics database.

Names of 149721290

Cardinal: 149721290 can be written as One hundred forty-nine million, seven hundred twenty-one thousand, two hundred ninety.

Scientific notation

Scientific notation: 1.4972129 × 10⁸

Factors of 149721290

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 282553

Divisors of 149721290

Number of divisors d(n): 16
Complete list of divisors:
1 2 5 10 53 106 265 530 282493 564986 1412465 2824930 14972129 29944258 74860645 149721290
Sum of all divisors σ(n): 274584168
Sum of proper divisors (its aliquot sum) s(n): 124862878
149721290 is a deficient number, because the sum of its proper divisors (124862878) is less than itself. Its deficiency is 24858412

Bases of 149721290

Binary: 1000111011001001000011001010₂
Hexadecimal: 0x8EC90CA
Base-36: 2H51OQ

Squares and roots of 149721290

149721290 squared (149721290²) is 22416464679264100
149721290 cubed (149721290³) is 3356222009018857302689000
The square root of 149721290 is 12236.0651354917
The cube root of 149721290 is 530.9999988179

Scales and comparisons

How big is 149721290?

149,721,290 seconds is equal to 4 years, 39 weeks, 3 days, 21 hours, 14 minutes, 50 seconds.
To count from 1 to 149,721,290 would take you about seven 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 149721290 cubic inches would be around 44.2 feet tall.

Recreational maths with 149721290

149721290 backwards is 092127941
The number of decimal digits it has is: 9
The sum of 149721290's digits is 35
More coming soon!

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The information we have on file for 149721290 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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