20123940 is an even 8-digits composite number following 20123939
and preceding 20123941 . In scientific notation, it is written as 2.0123940 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 5328000 positive integers (up to 20123940) that are relatively prime to 20123940.
20123940 has 24 divisors, whose sum is 37833600
The reverse of 20123940 is 04932102
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-three thousand nine hundred forty
Scientific notation
2.0123940 × 10^7
Engineering notation
2.0123940 × 10^6
Prime Factorization
2 × 2 × 15 × 149 × 2251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10061970
Product of the distinct prime numbers
The prime factorization of 20123940 is 2 × 2 × 15 × 149 × 2251.
Since it has a total of 5 prime factors.
9 , 7 , 40 , 8 , 259 , 923 , 4587 , 7562 , 5582 , 51318 , 368295 , 360418 , 8864246 , 8600138 , 78271977 , 6470351 , 344138234 , 362348123 , 3101061120 , 9552239534
n×2
40247880
n×3
60371820
n×4
80495760
n×5
100619700
n÷2
10061970
n÷3
6707980
n÷3
5030985
n÷5
4024788
n2
404972961123600
n3
8.1496515712737E+21
n4
1.6400309924122E+29
n5
3.3003885289443E+36
2 √n
4485.9714666948
3 √n
272.00131559341
4 √n
66.977395191921
5 √n
28.889671445626
1 , 2 , 4 , 15 , 30 , 60 , 149 , 298 , 596 , 2235 , 2251 , 4470 , 4502 , 8940 , 9004 , 33765 , 67530 , 135060 , 335399 , 670798 , 1341596 , 5030985 , 10061970 , 20123940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20123940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110001000100100100
3
Ternary
1101212101212010
4
Quaternary
1030301010210
5
Quinary
20122431230
6
Senary
1555154220
8
Octal
114610444
10
Decimal
20123940
12
Duodecimal
68a5970
16
Hexadecimal
1331124
20
Vigesimal
65f9h0
36
Base36
bzbqc
md5
1279b17b3dcedeaec195deca8a61f58e
sha1
b316a4dea140561d69e8f6b12e0974658ea9f2a3
sha256
df00dff5eac51625a48a090248f15c4b6f61c6152fcaad3a6aaf8d7f5c4c6cef
sha512
40d34033cccf788399180d62475625f5bfcdaacb4474ae6438c24e27789124824477f7b8f7b2b4da76b0d4025c3a8b49fd89333f46d25a1b8c6c6b54a820adbb
ripemd-160
4ddb94648ffe1308c1b07103c9b21369e7ac64d9
Diameter
40247880
Circumference
126442444.13056
Area
1.2722600795684E+15
Volume
3.4137180674173E+22
Surface area
5.0890403182736E+15
Circumference
126442444.13056
Perimeter
80495760
Area
404972961123600
Diagonal
28459548.876382
Surface area
2429837766741600
Volume
8.1496515712737E+21
Space diagonal
34855686.528468
Perimeter
60371820
Area
1.7535843608942E+14
Altitude
17427843.264234
Surface area
1.7535843608942E+14
Volume
9.6044564839253E+20
Height
9486516.2921275