84221721

84,221,721 is an odd composite number composed of three prime numbers multiplied together.

What does the number 84221721 look like?

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

84221721 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 84221721:

3³ × 491 × 6353

(3 × 3 × 3 × 491 × 6353)

See below for interesting mathematical facts about the number 84221721 from the Numbermatics database.

Names of 84221721

Cardinal: 84221721 can be written as Eighty-four million, two hundred twenty-one thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 8.4221721 × 10⁷

Factors of 84221721

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 6847

Divisors of 84221721

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 491 1473 4419 6353 13257 19059 57177 171531 3119323 9357969 28073907 84221721
Sum of all divisors σ(n): 125046720
Sum of proper divisors (its aliquot sum) s(n): 40824999
84221721 is a deficient number, because the sum of its proper divisors (40824999) is less than itself. Its deficiency is 43396722

Bases of 84221721

Binary: 101000001010001111100011001₂
Hexadecimal: 0x5051F19
Base-36: 1E55W9

Squares and roots of 84221721

84221721 squared (84221721²) is 7093298288201841
84221721 cubed (84221721³) is 597409789398713044388361
The square root of 84221721 is 9177.2392907671
The cube root of 84221721 is 438.3369053605

Scales and comparisons

How big is 84221721?

84,221,721 seconds is equal to 2 years, 35 weeks, 1 day, 18 hours, 55 minutes, 21 seconds.
To count from 1 to 84,221,721 would take you about four 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 84221721 cubic inches would be around 36.5 feet tall.

Recreational maths with 84221721

84221721 backwards is 12712248
84221721 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 84221721's digits is 27
More coming soon!

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The information we have on file for 84221721 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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