145340720

145,340,720 is an even composite number composed of four prime numbers multiplied together.

What does the number 145340720 look like?

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

145340720 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 145340720:

2⁴ × 5 × 7 × 259537

(2 × 2 × 2 × 2 × 5 × 7 × 259537)

See below for interesting mathematical facts about the number 145340720 from the Numbermatics database.

Names of 145340720

Cardinal: 145340720 can be written as One hundred forty-five million, three hundred forty thousand, seven hundred twenty.

Scientific notation

Scientific notation: 1.4534072 × 10⁸

Factors of 145340720

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 259551

Divisors of 145340720

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 259537 519074 1038148 1297685 1816759 2076296 2595370 3633518 4152592 5190740 7267036 9083795 10381480 14534072 18167590 20762960 29068144 36335180 72670360 145340720
Sum of all divisors σ(n): 386192544
Sum of proper divisors (its aliquot sum) s(n): 240851824
145340720 is an abundant number, because the sum of its proper divisors (240851824) is greater than itself. Its abundance is 95511104

Bases of 145340720

Binary: 1000101010011011100100110000₂
Hexadecimal: 0x8A9B930
Base-36: 2EJ5M8

Squares and roots of 145340720

145340720 squared (145340720²) is 21123924890118400
145340720 cubed (145340720³) is 3070166452755729141248000
The square root of 145340720 is 12055.7339054907
The cube root of 145340720 is 525.7699601785

Scales and comparisons

How big is 145340720?

145,340,720 seconds is equal to 4 years, 32 weeks, 2 days, 4 hours, 25 minutes, 20 seconds.
To count from 1 to 145,340,720 would take you about six 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 145340720 cubic inches would be around 43.8 feet tall.

Recreational maths with 145340720

145340720 backwards is 027043541
The number of decimal digits it has is: 9
The sum of 145340720's digits is 26
More coming soon!

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The information we have on file for 145340720 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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