20105942 is an even 8-digits composite number following 20105941
and preceding 20105943 . In scientific notation, it is written as 2.0105942 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 9742248 positive integers (up to 20105942) that are relatively prime to 20105942.
20105942 has 16 divisors, whose sum is 31104000
The reverse of 20105942 is 24950102
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred five thousand nine hundred forty-two
Scientific notation
2.0105942 × 10^7
Engineering notation
2.0105942 × 10^6
Prime Factorization
2 × 47 × 107 × 1999
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20105942
Product of the distinct prime numbers
The prime factorization of 20105942 is 2 × 47 × 107 × 1999.
Since it has a total of 4 prime factors.
10 , 6 , 44 , 58 , 413 , 542 , 9919 , 7052 , 94685 , 18964 , 565295 , 223790 , 1023428 , 6712629 , 81715449 , 47832371 , 467548910 , 737211423 , 5845304218 , 4267530167
n×2
40211884
n×3
60317826
n×4
80423768
n×5
100529710
n÷2
10052971
n÷3
6701980.6666667
n÷3
5026485.5
n÷5
4021188.4
n2
404248903707364
n3
8.1278050115038E+21
n4
1.6341717614861E+29
n5
3.2856562654476E+36
2 √n
4483.9649864824
3 √n
271.9202025867
4 √n
66.962414730074
5 √n
28.884502056159
1 , 2 , 47 , 94 , 107 , 214 , 1999 , 3998 , 5029 , 10058 , 93953 , 187906 , 213893 , 427786 , 10052971 , 20105942
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20105941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20105942 can be divided by 16 positive divisors.
The sum of these divisors (counting 20105942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101100101011010110
3
Ternary
1101211111011112
4
Quaternary
1030230223112
5
Quinary
20121342232
6
Senary
1554535022
8
Octal
114545326
10
Decimal
20105942
12
Duodecimal
6897472
16
Hexadecimal
132cad6
20
Vigesimal
65d4h2
36
Base36
byxue
md5
d4c9db1554c8a4243713c1449d606fde
sha1
d8b78c9afecd684a5d127d2e05eaf45d8d09df79
sha256
213a69b77311772a3ad128099b57d2ae7ba64dd774b5a20164edccbcba992069
sha512
4449f1540dab2265cf6b1ecf2b1dda2815b768c47c71656227d64668e5ab14e2984764537cd24ae9b9f774aaed358c75e6187dcb876669c9037a2d1be7a605cf
ripemd-160
78bd065fb7ccc57a67b61e012529a165ca35a832
Diameter
40211884
Circumference
126329359.3614
Area
1.2699853861088E+15
Volume
3.4045670018601E+22
Surface area
5.0799415444351E+15
Circumference
126329359.3614
Perimeter
80423768
Area
404248903707364
Diagonal
28434095.860687
Surface area
2425493422244184
Volume
8.1278050115038E+21
Space diagonal
34824513.078033
Perimeter
60317826
Area
1.7504491003129E+14
Altitude
17412256.539017
Surface area
1.7504491003129E+14
Volume
9.5787100663273E+20
Height
9478031.9535623