142788991

142,788,991 is an odd composite number composed of two prime numbers multiplied together.

What does the number 142788991 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

142788991 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 142788991:

23 × 6208217

See below for interesting mathematical facts about the number 142788991 from the Numbermatics database.

Names of 142788991

Cardinal: 142788991 can be written as One hundred forty-two million, seven hundred eighty-eight thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 1.42788991 × 10⁸

Factors of 142788991

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 6208240

Divisors of 142788991

Number of divisors d(n): 4
Complete list of divisors:
1 23 6208217 142788991
Sum of all divisors σ(n): 148997232
Sum of proper divisors (its aliquot sum) s(n): 6208241
142788991 is a deficient number, because the sum of its proper divisors (6208241) is less than itself. Its deficiency is 136580750

Bases of 142788991

Binary: 1000100000101100100101111111₂
Hexadecimal: 0x882C97F
Base-36: 2D0GOV

Squares and roots of 142788991

142788991 squared (142788991²) is 20388695950798081
142788991 cubed (142788991³) is 2911281322620243630726271
The square root of 142788991 is 11949.4347565061
The cube root of 142788991 is 522.6748158585

Scales and comparisons

How big is 142788991?

142,788,991 seconds is equal to 4 years, 28 weeks, 15 hours, 36 minutes, 31 seconds.
To count from 1 to 142,788,991 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 142788991 cubic inches would be around 43.6 feet tall.

Recreational maths with 142788991

142788991 backwards is 199887241
The number of decimal digits it has is: 9
The sum of 142788991's digits is 49
More coming soon!

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The information we have on file for 142788991 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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