20138668 is an even 8-digits composite number following 20138667
and preceding 20138669 . In scientific notation, it is written as 2.0138668 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 9153920 positive integers (up to 20138668) that are relatively prime to 20138668.
20138668 has 12 divisors, whose sum is 38446632
The reverse of 20138668 is 86683102
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred thirty-eight thousand six hundred sixty-eight
Scientific notation
2.0138668 × 10^7
Engineering notation
2.0138668 × 10^6
Prime Factorization
2 × 2 × 11 × 457697
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10069334
Product of the distinct prime numbers
The prime factorization of 20138668 is 2 × 2 × 11 × 457697.
Since it has a total of 4 prime factors.
5 , 8 , 99 , 43 , 824 , 909 , 9891 , 5717 , 47612 , 29984 , 98929 , 134773 , 4883480 , 2218744 , 34873217 , 39068899 , 756211427 , 366418145 , 1263479187 , 3999680643
n×2
40277336
n×3
60416004
n×4
80554672
n×5
100693340
n÷2
10069334
n÷3
6712889.3333333
n÷3
5034667
n÷5
4027733.6
n2
405565948814224
n3
8.1675579952747E+21
n4
1.6448373883758E+29
n5
3.3124834078488E+36
2 √n
4487.6127283891
3 √n
272.06765545994
4 √n
66.989646426811
5 √n
28.893898874014
1 , 2 , 4 , 11 , 22 , 44 , 457697 , 915394 , 1830788 , 5034667 , 10069334 , 20138668
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138668 can be divided by 12 positive divisors.
The sum of these divisors (counting 20138668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100101010101100
3
Ternary
1101220011001121
4
Quaternary
1030310222230
5
Quinary
20123414133
6
Senary
1555350324
8
Octal
114645254
10
Decimal
20138668
12
Duodecimal
68b23a4
16
Hexadecimal
1334aac
20
Vigesimal
65h6d8
36
Base36
bzn3g
md5
e6acc150f05959ed01bf856eb1177006
sha1
7683eba7f93eca0ca673faeb59ea3edb02e1c591
sha256
49cb0cad630e44d1497a4d3406706cfd0e2f20834f2253e43b0687cf0cf67aac
sha512
7aa82327af64725c86e967945b71ddebc365ce603d4d7f072bda300b0afae7ec2e62f9a8baebefee253bb8cd4f2c5dafba497f424af0a2efca9534c97d8812f6
ripemd-160
a2a133759d985c1880ab0a93d0fac5bd90b55c61
Diameter
40277336
Circumference
126534982.88377
Area
1.2741230053409E+15
Volume
3.4212186927631E+22
Surface area
5.0964920213638E+15
Circumference
126534982.88377
Perimeter
80554672
Area
405565948814224
Diagonal
28480377.413729
Surface area
2433395692885344
Volume
8.1675579952747E+21
Space diagonal
34881196.172762
Perimeter
60416004
Area
1.7561520729153E+14
Altitude
17440598.086381
Surface area
1.7561520729153E+14
Volume
9.6255594069885E+20
Height
9493459.1379097