20138968 is an even 8-digits composite number following 20138967
and preceding 20138969 . In scientific notation, it is written as 2.0138968 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors.
There are 10054368 positive integers (up to 20138968) that are relatively prime to 20138968.
20138968 has 16 divisors, whose sum is 37817280
The reverse of 20138968 is 86983102
Previous prime number is 863
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred thirty-eight thousand nine hundred sixty-eight
Scientific notation
2.0138968 × 10^7
Engineering notation
2.0138968 × 10^6
Prime Factorization
2 × 2 × 2 × 863 × 2917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5034742
Product of the distinct prime numbers
The prime factorization of 20138968 is 2 × 2 × 2 × 863 × 2917.
Since it has a total of 5 prime factors.
4 , 9 , 31 , 95 , 680 , 378 , 6721 , 8072 , 97002 , 57319 , 360437 , 532588 , 8264355 , 3053531 , 64504788 , 49876658 , 910343105 , 750630233 , 9771337933 , 1006596535
n×2
40277936
n×3
60416904
n×4
80555872
n×5
100694840
n÷2
10069484
n÷3
6712989.3333333
n÷3
5034742
n÷5
4027793.6
n2
405578032105024
n3
8.1679230100661E+21
n4
1.6449354012618E+29
n5
3.3127301408079E+36
2 √n
4487.6461536088
3 √n
272.06900642469
4 √n
66.989895906837
5 √n
28.893984958337
1 , 2 , 4 , 8 , 863 , 1726 , 2917 , 3452 , 5834 , 6904 , 11668 , 23336 , 2517371 , 5034742 , 10069484 , 20138968
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
-20138967
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 20138968 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138968) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100101111011000
3
Ternary
1101220011110201
4
Quaternary
1030310233120
5
Quinary
20123421333
6
Senary
1555351544
8
Octal
114645730
10
Decimal
20138968
12
Duodecimal
68b25b4
16
Hexadecimal
1334bd8
20
Vigesimal
65h788
36
Base36
bznbs
md5
34184064834ec2c3a4f617dd41f5b651
sha1
c6ba0512bacac243910fbc3a2d550d3bc92cd89b
sha256
122be59f8edc00e8b7379325da89ce4133d1376583b50f4cd0f923d831e7fe80
sha512
eb0693c339af6855a0fb881cacd04f5ae3d5f8ddef61c0678c01a8380724879ad0aa6694f1ae30404bcce234e6dfbe1f5128104979acf4fd1f05987dd0c51d5b
ripemd-160
82a249a3fb4c4cd939dce282bb805c5211bd8ab2
Diameter
40277936
Circumference
126536867.83936
Area
1.2741609661185E+15
Volume
3.4213715898014E+22
Surface area
5.0966438644742E+15
Circumference
126536867.83936
Perimeter
80555872
Area
405578032105024
Diagonal
28480801.677798
Surface area
2433468192630144
Volume
8.1679230100661E+21
Space diagonal
34881715.788004
Perimeter
60416904
Area
1.7562043950993E+14
Altitude
17440857.894002
Surface area
1.7562043950993E+14
Volume
9.6259895810456E+20
Height
9493600.5592659