138890457

138,890,457 is an odd composite number composed of four prime numbers multiplied together.

What does the number 138890457 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

138890457 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 138890457:

3⁴ × 73 × 83 × 283

(3 × 3 × 3 × 3 × 73 × 83 × 283)

See below for interesting mathematical facts about the number 138890457 from the Numbermatics database.

Names of 138890457

Cardinal: 138890457 can be written as One hundred thirty-eight million, eight hundred ninety thousand, four hundred fifty-seven.

Scientific notation

Scientific notation: 1.38890457 × 10⁸

Factors of 138890457

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 442

Divisors of 138890457

Number of divisors d(n): 40
Complete list of divisors:
1 3 9 27 73 81 83 219 249 283 657 747 849 1971 2241 2547 5913 6059 6723 7641 18177 20659 22923 23489 54531 61977 70467 163593 185931 211401 490779 557793 634203 1673379 1714697 1902609 5144091 15432273 46296819 138890457
Sum of all divisors σ(n): 213606624
Sum of proper divisors (its aliquot sum) s(n): 74716167
138890457 is a deficient number, because the sum of its proper divisors (74716167) is less than itself. Its deficiency is 64174290

Bases of 138890457

Binary: 1000010001110100110011011001₂
Hexadecimal: 0x8474CD9
Base-36: 2AOWK9

Squares and roots of 138890457

138890457 squared (138890457²) is 19290559045668849
138890457 cubed (138890457³) is 2679274561638430308273993
The square root of 138890457 is 11785.1795489081
The cube root of 138890457 is 517.8740333127

Scales and comparisons

How big is 138890457?

138,890,457 seconds is equal to 4 years, 21 weeks, 4 days, 12 hours, 40 minutes, 57 seconds.
To count from 1 to 138,890,457 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 138890457 cubic inches would be around 43.2 feet tall.

Recreational maths with 138890457

138890457 backwards is 754098831
The number of decimal digits it has is: 9
The sum of 138890457's digits is 45
More coming soon!

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The information we have on file for 138890457 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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