157431990
157,431,990 is an even composite number composed of six prime numbers multiplied together.
157431990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 157431990:
2 × 3 × 5 × 79 × 181 × 367
See below for interesting mathematical facts about the number 157431990 from the Numbermatics database.
Names of 157431990
- Cardinal: 157431990 can be written as One hundred fifty-seven million, four hundred thirty-one thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.5743199 × 108
Factors of 157431990
Divisors of 157431990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 15 30 79 158 181 237 362 367 395 474 543 734 790 905 1086 1101 1185 1810 1835 2202 2370 2715 3670 5430 5505 11010 14299 28598 28993 42897 57986 66427 71495 85794 86979 132854 142990 144965 173958 199281 214485 289930 332135 398562 428970 434895 664270 869790 996405 1992810 5247733 10495466 15743199 26238665 31486398 52477330 78715995 157431990
- Sum of all divisors σ(n): 385781760
- Sum of proper divisors (its aliquot sum) s(n): 228349770
- 157431990 is an abundant number, because the sum of its proper divisors (228349770) is greater than itself. Its abundance is 70917780
Bases of 157431990
- Binary: 10010110001000111000101101102
- Hexadecimal: 0x96238B6
- Base-36: 2LQBAU
Squares and roots of 157431990
- 157431990 squared (1574319902) is 24784831475360100
- 157431990 cubed (1574319903) is 3901925340980576509599000
-
The
square root of 157431990 is 12547.1905221845 -
The
cube root of 157431990 is 539.9634062993
Scales and comparisons
How big is 157431990?- 157,431,990 seconds is equal to 5 years, 2 days, 3 hours, 6 minutes, 30 seconds.
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To count from 1 to 157,431,990 would take you about seven 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 157431990 cubic inches would be around 45 feet tall.
Recreational maths with 157431990
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The information we have on file for 157431990 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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