142279821

142,279,821 is an odd composite number composed of two prime numbers multiplied together.

What does the number 142279821 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

142279821 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 142279821:

3⁴ × 1756541

(3 × 3 × 3 × 3 × 1756541)

See below for interesting mathematical facts about the number 142279821 from the Numbermatics database.

Names of 142279821

Cardinal: 142279821 can be written as One hundred forty-two million, two hundred seventy-nine thousand, eight hundred twenty-one.

Scientific notation

Scientific notation: 1.42279821 × 10⁸

Factors of 142279821

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 1756544

Divisors of 142279821

Number of divisors d(n): 10
Complete list of divisors:
1 3 9 27 81 1756541 5269623 15808869 47426607 142279821
Sum of all divisors σ(n): 212541582
Sum of proper divisors (its aliquot sum) s(n): 70261761
142279821 is a deficient number, because the sum of its proper divisors (70261761) is less than itself. Its deficiency is 72018060

Bases of 142279821

Binary: 1000011110110000010010001101₂
Hexadecimal: 0x87B048D
Base-36: 2CPJT9

Squares and roots of 142279821

142279821 squared (142279821²) is 20243547463792041
142279821 cubed (142279821³) is 2880248309553335574704661
The square root of 142279821 is 11928.1105377171
The cube root of 142279821 is 522.0528087675

Scales and comparisons

How big is 142279821?

142,279,821 seconds is equal to 4 years, 27 weeks, 1 day, 18 hours, 10 minutes, 21 seconds.
To count from 1 to 142,279,821 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 142279821 cubic inches would be around 43.5 feet tall.

Recreational maths with 142279821

142279821 backwards is 128972241
The number of decimal digits it has is: 9
The sum of 142279821's digits is 36
More coming soon!

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The information we have on file for 142279821 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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