149121520

149,121,520 is an even composite number composed of four prime numbers multiplied together.

What does the number 149121520 look like?

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

149121520 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 149121520:

2⁴ × 5 × 733 × 2543

(2 × 2 × 2 × 2 × 5 × 733 × 2543)

See below for interesting mathematical facts about the number 149121520 from the Numbermatics database.

Names of 149121520

Cardinal: 149121520 can be written as One hundred forty-nine million, one hundred twenty-one thousand, five hundred twenty.

Scientific notation

Scientific notation: 1.4912152 × 10⁸

Factors of 149121520

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 3283

Divisors of 149121520

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 16 20 40 80 733 1466 2543 2932 3665 5086 5864 7330 10172 11728 12715 14660 20344 25430 29320 40688 50860 58640 101720 203440 1864019 3728038 7456076 9320095 14912152 18640190 29824304 37280380 74560760 149121520
Sum of all divisors σ(n): 347317056
Sum of proper divisors (its aliquot sum) s(n): 198195536
149121520 is an abundant number, because the sum of its proper divisors (198195536) is greater than itself. Its abundance is 49074016

Bases of 149121520

Binary: 1000111000110110100111110000₂
Hexadecimal: 0x8E369F0
Base-36: 2GS6WG

Squares and roots of 149121520

149121520 squared (149121520²) is 22237227727110400
149121520 cubed (149121520³) is 3316049199252848055808000
The square root of 149121520 is 12211.5322543897
The cube root of 149121520 is 530.2900038603

Scales and comparisons

How big is 149121520?

149,121,520 seconds is equal to 4 years, 38 weeks, 3 days, 22 hours, 38 minutes, 40 seconds.
To count from 1 to 149,121,520 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 149121520 cubic inches would be around 44.2 feet tall.

Recreational maths with 149121520

149121520 backwards is 025121941
The number of decimal digits it has is: 9
The sum of 149121520's digits is 25
More coming soon!

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The information we have on file for 149121520 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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