20138911 is an odd 8-digits composite number following 20138910
and preceding 20138912 . In scientific notation, it is written as 2.0138911 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 18545760 positive integers (up to 20138911) that are relatively prime to 20138911.
20138911 has 8 divisors, whose sum is 21739424
The reverse of 20138911 is 11983102
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-eight thousand nine hundred eleven
Scientific notation
2.0138911 × 10^7
Engineering notation
2.0138911 × 10^6
Prime Factorization
13 × 487 × 3181
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138911
Product of the distinct prime numbers
The prime factorization of 20138911 is 13 × 487 × 3181.
Since it has a total of 3 prime factors.
1 , 2 , 73 , 26 , 82 , 876 , 5383 , 9595 , 74504 , 87218 , 75813 , 46168 , 5695411 , 7267459 , 12684164 , 74249874 , 914575642 , 913891743 , 1354842213 , 8453001960
n×2
40277822
n×3
60416733
n×4
80555644
n×5
100694555
n÷2
10069455.5
n÷3
6712970.3333333
n÷3
5034727.75
n÷5
4027782.2
n2
405575736265921
n3
8.1678536564189E+21
n4
1.6449167784764E+29
n5
3.3126832604144E+36
2 √n
4487.6398028362
3 √n
272.06874974242
4 √n
66.989848505846
5 √n
28.893968602394
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
-20138910
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 20138911 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138911) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101110011111
3
Ternary
1101220011101121
4
Quaternary
1030310232133
5
Quinary
20123421121
6
Senary
1555351411
8
Octal
114645637
10
Decimal
20138911
12
Duodecimal
68b2567
16
Hexadecimal
1334b9f
20
Vigesimal
65h75b
36
Base36
bzna7
md5
a53b2e29d3e0ead5071dc205ad343219
sha1
6276143ec93e4c66e427859ff18f4f652ca0bed5
sha256
85a1288f101a5f924bab1fb0d6c1a2b9236294045f67ba5596ca2d3804509848
sha512
2a3d54c173f25a99159f9e298232f56a3ebab2be88025422c6b03ab9fd9f9db950a5707d6ff2bd5244de0ef0522d443bb8e15d24cc7c33a299b8686a45c8fbf0
ripemd-160
b1deee76abc99d3546be8c7838615d56b53eb934
Diameter
40277822
Circumference
126536509.6978
Area
1.2741537535273E+15
Volume
3.4213425390136E+22
Surface area
5.0966150141092E+15
Circumference
126536509.6978
Perimeter
80555644
Area
405575736265921
Diagonal
28480721.067625
Surface area
2433454417595526
Volume
8.1678536564189E+21
Space diagonal
34881617.061108
Perimeter
60416733
Area
1.7561944538243E+14
Altitude
17440808.530554
Surface area
1.7561944538243E+14
Volume
9.6259078469885E+20
Height
9493573.6892082