20123942 is an even 8-digits composite number following 20123941
and preceding 20123943 . In scientific notation, it is written as 2.0123942 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 9567360 positive integers (up to 20123942) that are relatively prime to 20123942.
20123942 has 16 divisors, whose sum is 31685472
The reverse of 20123942 is 24932102
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-three thousand nine hundred forty-two
Scientific notation
2.0123942 × 10^7
Engineering notation
2.0123942 × 10^6
Prime Factorization
2 × 23 × 181 × 2417
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20123942
Product of the distinct prime numbers
The prime factorization of 20123942 is 2 × 23 × 181 × 2417.
Since it has a total of 4 prime factors.
1 , 3 , 26 , 55 , 15 , 981 , 1975 , 2976 , 36953 , 44803 , 914777 , 151692 , 4047457 , 6197932 , 76342470 , 15603588 , 597082531 , 88838993 , 2419747152 , 3436724379
n×2
40247884
n×3
60371826
n×4
80495768
n×5
100619710
n÷2
10061971
n÷3
6707980.6666667
n÷3
5030985.5
n÷5
4024788.4
n2
404973041619364
n3
8.1496540011117E+21
n4
1.6400316443844E+29
n5
3.3003901689756E+36
2 √n
4485.971689612
3 √n
272.00132460428
4 √n
66.977396856044
5 √n
28.889672019861
1 , 2 , 23 , 46 , 181 , 362 , 2417 , 4163 , 4834 , 8326 , 55591 , 111182 , 437477 , 874954 , 10061971 , 20123942
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
-20123941
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 20123942 can be divided by 16 positive divisors.
The sum of these divisors (counting 20123942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000100100110
3
Ternary
1101212101212012
4
Quaternary
1030301010212
5
Quinary
20122431232
6
Senary
1555154222
8
Octal
114610446
10
Decimal
20123942
12
Duodecimal
68a5972
16
Hexadecimal
1331126
20
Vigesimal
65f9h2
36
Base36
bzbqe
md5
0eb9f7abccbca871e47901ff84833afa
sha1
3dcb1ac9c1caa024d3cc33169a9aa9c48ec7dfc3
sha256
2b6a340ef48309f4bfdb0475eb37797ea612b4b29af697409a1a568aae3297ef
sha512
b32fe9aae053bda799ce30aada89779918b3d045a76d416be9df448763ac5c7dd38442e999316288e97262d8342f97ff0d0d07af1c024e94c6c87ef38e7026b6
ripemd-160
dbb2c863469a2e990cad4d056e9835e8061c0d4e
Diameter
40247884
Circumference
126442456.69693
Area
1.2722603324533E+15
Volume
3.4137190852255E+22
Surface area
5.0890413298132E+15
Circumference
126442456.69693
Perimeter
80495768
Area
404973041619364
Diagonal
28459551.70481
Surface area
2429838249716184
Volume
8.1496540011117E+21
Space diagonal
34855689.992569
Perimeter
60371826
Area
1.7535847094511E+14
Altitude
17427844.996285
Surface area
1.7535847094511E+14
Volume
9.6044593475169E+20
Height
9486517.2349365