142161075
142,161,075 is an odd composite number composed of four prime numbers multiplied together.
142161075 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 142161075:
35 × 52 × 7 × 3343
(3 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 3343)See below for interesting mathematical facts about the number 142161075 from the Numbermatics database.
Names of 142161075
- Cardinal: 142161075 can be written as One hundred forty-two million, one hundred sixty-one thousand and seventy-five.
Scientific notation
- Scientific notation: 1.42161075 × 108
Factors of 142161075
Divisors of 142161075
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 5 7 9 15 21 25 27 35 45 63 75 81 105 135 175 189 225 243 315 405 525 567 675 945 1215 1575 1701 2025 2835 3343 4725 6075 8505 10029 14175 16715 23401 30087 42525 50145 70203 83575 90261 117005 150435 210609 250725 270783 351015 451305 585025 631827 752175 812349 1053045 1353915 1755075 1895481 2256525 3159135 4061745 5265225 5686443 6769575 9477405 15795675 20308725 28432215 47387025 142161075
- Sum of all divisors σ(n): 301869568
- Sum of proper divisors (its aliquot sum) s(n): 159708493
- 142161075 is an abundant number, because the sum of its proper divisors (159708493) is greater than itself. Its abundance is 17547418
Bases of 142161075
- Binary: 10000111100100110100101100112
- Hexadecimal: 0x87934B3
- Base-36: 2CN06R
Squares and roots of 142161075
- 142161075 squared (1421610752) is 20209771245155625
- 142161075 cubed (1421610753) is 2873042805715412192296875
-
The
square root of 142161075 is 11923.1319291535 -
The
cube root of 142161075 is 521.9075341569
Scales and comparisons
How big is 142161075?- 142,161,075 seconds is equal to 4 years, 27 weeks, 9 hours, 11 minutes, 15 seconds.
-
To count from 1 to 142,161,075 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 142161075 cubic inches would be around 43.5 feet tall.
Recreational maths with 142161075
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