20138242 is an even 8-digits composite number following 20138241
and preceding 20138243 . In scientific notation, it is written as 2.0138242 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 10069120 positive integers (up to 20138242) that are relatively prime to 20138242.
20138242 has 4 divisors, whose sum is 30207366
The reverse of 20138242 is 24283102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred thirty-eight thousand two hundred forty-two
Scientific notation
2.0138242 × 10^7
Engineering notation
2.0138242 × 10^6
Prime Factorization
2 × 10069121
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138242
Product of the distinct prime numbers
The prime factorization of 20138242 is 2 × 10069121.
Since it has a total of 2 prime factors.
1 , 7 , 40 , 9 , 496 , 632 , 2598 , 1084 , 12010 , 8825 , 800062 , 579537 , 9196283 , 6354514 , 67009853 , 75036872 , 60664445 , 786058115 , 3743062252 , 5846609978
n×2
40276484
n×3
60414726
n×4
80552968
n×5
100691210
n÷2
10069121
n÷3
6712747.3333333
n÷3
5034560.5
n÷5
4027648.4
n2
405548790850564
n3
8.167039692956E+21
n4
1.6446982176035E+29
n5
3.3121330723069E+36
2 √n
4487.5652641494
3 √n
272.06573706695
4 √n
66.989292160385
5 √n
28.893776632512
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138241
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138242 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138242) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100100100000010
3
Ternary
1101220010110211
4
Quaternary
1030310210002
5
Quinary
20123410432
6
Senary
1555344334
8
Octal
114644402
10
Decimal
20138242
12
Duodecimal
68b20aa
16
Hexadecimal
1334902
20
Vigesimal
65h5c2
36
Base36
bzmrm
md5
623dcfa721fba670cbec9d8912674305
sha1
202fe858ac09b9eeb885a87187c60a68e7d60766
sha256
ea201a6f45db63860693185f0adae475a38b5f7a22b0f2e17d7a3a7c3b1211d8
sha512
21b531d863781e077f77b70d33cbbdc05c23798368dd1f2e652d1e1de4aaacc6b03a91f042ac65ec5d69b0bb6c5c9a199159c823ab53e93549330b82b46419c2
ripemd-160
7cc09676f87a0ade1c41d68d267be533813f31a3
Diameter
40276484
Circumference
126532306.24683
Area
1.2740691020084E+15
Volume
3.4210015867956E+22
Surface area
5.0962764080334E+15
Circumference
126532306.24683
Perimeter
80552968
Area
405548790850564
Diagonal
28479774.958751
Surface area
2433292745103384
Volume
8.167039692956E+21
Space diagonal
34880458.319117
Perimeter
60414726
Area
1.7560777767533E+14
Altitude
17440229.159559
Surface area
1.7560777767533E+14
Volume
9.6249485818482E+20
Height
9493258.3195838