68142340
68,142,340 is an even composite number composed of five prime numbers multiplied together.
68142340 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 68142340:
22 × 5 × 72 × 31 × 2243
(2 × 2 × 5 × 7 × 7 × 31 × 2243)See below for interesting mathematical facts about the number 68142340 from the Numbermatics database.
Names of 68142340
- Cardinal: 68142340 can be written as Sixty-eight million, one hundred forty-two thousand, three hundred forty.
Scientific notation
- Scientific notation: 6.814234 × 107
Factors of 68142340
Divisors of 68142340
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 7 10 14 20 28 31 35 49 62 70 98 124 140 155 196 217 245 310 434 490 620 868 980 1085 1519 2170 2243 3038 4340 4486 6076 7595 8972 11215 15190 15701 22430 30380 31402 44860 62804 69533 78505 109907 139066 157010 219814 278132 314020 347665 439628 486731 549535 695330 973462 1099070 1390660 1946924 2198140 2433655 3407117 4867310 6814234 9734620 13628468 17035585 34071170 68142340
- Sum of all divisors σ(n): 171908352
- Sum of proper divisors (its aliquot sum) s(n): 103766012
- 68142340 is an abundant number, because the sum of its proper divisors (103766012) is greater than itself. Its abundance is 35623672
Bases of 68142340
- Binary: 1000000111111000101000001002
- Hexadecimal: 0x40FC504
- Base-36: 14KIYS
Squares and roots of 68142340
- 68142340 squared (681423402) is 4643378500675600
- 68142340 cubed (681423403) is 316410676541726964904000
-
The
square root of 68142340 is 8254.8373696881 -
The
cube root of 68142340 is 408.4501071917
Scales and comparisons
How big is 68142340?- 68,142,340 seconds is equal to 2 years, 8 weeks, 4 days, 16 hours, 25 minutes, 40 seconds.
-
To count from 1 to 68,142,340 would take you about three 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 68142340 cubic inches would be around 34 feet tall.
Recreational maths with 68142340
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The information we have on file for 68142340 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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