31942100
31,942,100 is an even composite number composed of five prime numbers multiplied together.
31942100 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 31942100:
22 × 52 × 37 × 89 × 97
(2 × 2 × 5 × 5 × 37 × 89 × 97)See below for interesting mathematical facts about the number 31942100 from the Numbermatics database.
Names of 31942100
- Cardinal: 31942100 can be written as Thirty-one million, nine hundred forty-two thousand, one hundred.
Scientific notation
- Scientific notation: 3.19421 × 107
Factors of 31942100
Divisors of 31942100
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 10 20 25 37 50 74 89 97 100 148 178 185 194 356 370 388 445 485 740 890 925 970 1780 1850 1940 2225 2425 3293 3589 3700 4450 4850 6586 7178 8633 8900 9700 13172 14356 16465 17266 17945 32930 34532 35890 43165 65860 71780 82325 86330 89725 164650 172660 179450 215825 319421 329300 358900 431650 638842 863300 1277684 1597105 3194210 6388420 7985525 15971050 31942100
- Sum of all divisors σ(n): 72729720
- Sum of proper divisors (its aliquot sum) s(n): 40787620
- 31942100 is an abundant number, because the sum of its proper divisors (40787620) is greater than itself. Its abundance is 8845520
Bases of 31942100
- Binary: 11110011101100101110101002
- Hexadecimal: 0x1E765D4
- Base-36: J0MOK
Squares and roots of 31942100
- 31942100 squared (319421002) is 1020297752410000
- 31942100 cubed (319421003) is 32590452837255461000000
-
The
square root of 31942100 is 5651.7342471139 -
The
cube root of 31942100 is 317.2886145389
Scales and comparisons
How big is 31942100?- 31,942,100 seconds is equal to 1 year, 5 days, 16 hours, 48 minutes, 20 seconds.
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To count from 1 to 31,942,100 would take you about twenty-seven weeks!
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 31942100 cubic inches would be around 26.4 feet tall.
Recreational maths with 31942100
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