20138297 is an odd 8-digits composite number following 20138296
and preceding 20138298 . In scientific notation, it is written as 2.0138297 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 19824640 positive integers (up to 20138297) that are relatively prime to 20138297.
20138297 has 8 divisors, whose sum is 20454120
The reverse of 20138297 is 79283102
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred thirty-eight thousand two hundred ninety-seven
Scientific notation
2.0138297 × 10^7
Engineering notation
2.0138297 × 10^6
Prime Factorization
89 × 641 × 353
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138297
Product of the distinct prime numbers
The prime factorization of 20138297 is 89 × 641 × 353.
Since it has a total of 3 prime factors.
5 , 10 , 53 , 48 , 236 , 132 , 2706 , 369 , 38297 , 81936 , 409216 , 960012 , 4011159 , 2491531 , 15531178 , 67759363 , 229634100 , 145886198 , 3388059361 , 404247076
n×2
40276594
n×3
60414891
n×4
80553188
n×5
100691485
n÷2
10069148.5
n÷3
6712765.6666667
n÷3
5034574.25
n÷5
4027659.4
n2
405551006060209
n3
8.1671066086893E+21
n4
1.6447161851645E+29
n5
3.3121783017549E+36
2 √n
4487.5713921898
3 √n
272.06598474832
4 √n
66.989337899324
5 √n
28.893792414982
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138296
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138297 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138297) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100100100111001
3
Ternary
1101220010112212
4
Quaternary
1030310210321
5
Quinary
20123411142
6
Senary
1555344505
8
Octal
114644471
10
Decimal
20138297
12
Duodecimal
68b2135
16
Hexadecimal
1334939
20
Vigesimal
65h5eh
36
Base36
bzmt5
md5
485290573152981c430e5891ce56e9ca
sha1
e46fd97929a47cff47eb00733cf7dbf5285735be
sha256
9b0ca1697180a544a246b01e359211964e3e7eface06c26e2a6a97be8e23b4e8
sha512
1258b5012ef04c660a7d77ac9c16730e1450f904a11cf88ee5c55cc7e508a4c5fc15987b5d5bb1fe0ebb66ccb9730618c6a23b263c1385a7cf0f0f38171baa51
ripemd-160
5f6dc0a4d5baf61f9c75e0a271034e347a2b9c96
Diameter
40276594
Circumference
126532651.82202
Area
1.2740760612947E+15
Volume
3.4210296163924E+22
Surface area
5.0963042451788E+15
Circumference
126532651.82202
Perimeter
80553188
Area
405551006060209
Diagonal
28479852.740497
Surface area
2433306036361254
Volume
8.1671066086893E+21
Space diagonal
34880553.581912
Perimeter
60414891
Area
1.7560873688924E+14
Altitude
17440276.790956
Surface area
1.7560873688924E+14
Volume
9.6250274427961E+20
Height
9493284.2468325