82121391

82,121,391 is an odd composite number composed of three prime numbers multiplied together.

What does the number 82121391 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

82121391 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 82121391:

3³ × 11 × 276503

(3 × 3 × 3 × 11 × 276503)

See below for interesting mathematical facts about the number 82121391 from the Numbermatics database.

Names of 82121391

Cardinal: 82121391 can be written as Eighty-two million, one hundred twenty-one thousand, three hundred ninety-one.

Scientific notation

Scientific notation: 8.2121391 × 10⁷

Factors of 82121391

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 276517

Divisors of 82121391

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 11 27 33 99 297 276503 829509 2488527 3041533 7465581 9124599 27373797 82121391
Sum of all divisors σ(n): 132721920
Sum of proper divisors (its aliquot sum) s(n): 50600529
82121391 is a deficient number, because the sum of its proper divisors (50600529) is less than itself. Its deficiency is 31520862

Bases of 82121391

Binary: 100111001010001001010101111₂
Hexadecimal: 0x4E512AF
Base-36: 1CW59R

Squares and roots of 82121391

82121391 squared (82121391²) is 6743922859774881
82121391 cubed (82121391³) is 553820326041411174579471
The square root of 82121391 is 9062.0853560315
The cube root of 82121391 is 434.6624253755

Scales and comparisons

How big is 82121391?

82,121,391 seconds is equal to 2 years, 31 weeks, 5 days, 11 hours, 29 minutes, 51 seconds.
To count from 1 to 82,121,391 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 82121391 cubic inches would be around 36.2 feet tall.

Recreational maths with 82121391

82121391 backwards is 19312128
82121391 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 82121391's digits is 27
More coming soon!

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The information we have on file for 82121391 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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