81301120

81,301,120 is an even composite number composed of three prime numbers multiplied together.

What does the number 81301120 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 32 divisors.

81301120 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 81301120:

2⁷ × 5 × 127033

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 127033)

See below for interesting mathematical facts about the number 81301120 from the Numbermatics database.

Names of 81301120

Cardinal: 81301120 can be written as Eighty-one million, three hundred one thousand, one hundred twenty.

Scientific notation

Scientific notation: 8.130112 × 10⁷

Factors of 81301120

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 127040

Divisors of 81301120

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 127033 254066 508132 635165 1016264 1270330 2032528 2540660 4065056 5081320 8130112 10162640 16260224 20325280 40650560 81301120
Sum of all divisors σ(n): 194362020
Sum of proper divisors (its aliquot sum) s(n): 113060900
81301120 is an abundant number, because the sum of its proper divisors (113060900) is greater than itself. Its abundance is 31759780

Bases of 81301120

Binary: 100110110001000111010000000₂
Hexadecimal: 0x4D88E80
Base-36: 1CEKCG

Squares and roots of 81301120

81301120 squared (81301120²) is 6609872113254400
81301120 cubed (81301120³) is 537390005864349564928000
The square root of 81301120 is 9016.7133701809
The cube root of 81301120 is 433.2103687921

Scales and comparisons

How big is 81301120?

81,301,120 seconds is equal to 2 years, 30 weeks, 2 days, 23 hours, 38 minutes, 40 seconds.
To count from 1 to 81,301,120 would take you about three 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 81301120 cubic inches would be around 36.1 feet tall.

Recreational maths with 81301120

81301120 backwards is 02110318
81301120 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 81301120's digits is 16
More coming soon!

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The information we have on file for 81301120 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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