20138741 is an odd 8-digits composite number following 20138740
and preceding 20138742 . In scientific notation, it is written as 2.0138741 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 17241408 positive integers (up to 20138741) that are relatively prime to 20138741.
20138741 has 8 divisors, whose sum is 23042880
The reverse of 20138741 is 14783102
Previous prime number is 1619
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred thirty-eight thousand seven hundred forty-one
Scientific notation
2.0138741 × 10^7
Engineering notation
2.0138741 × 10^6
Prime Factorization
7 × 1619 × 1777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20138741
Product of the distinct prime numbers
The prime factorization of 20138741 is 7 × 1619 × 1777.
Since it has a total of 3 prime factors.
7 , 2 , 61 , 81 , 654 , 567 , 2957 , 7442 , 50952 , 17928 , 677869 , 964794 , 6897849 , 3407214 , 45023118 , 17857052 , 505453381 , 50732224 , 154439411 , 4234508929
n×2
40277482
n×3
60416223
n×4
80554964
n×5
100693705
n÷2
10069370.5
n÷3
6712913.6666667
n÷3
5034685.25
n÷5
4027748.2
n2
405568889065081
n3
8.1676468145394E+21
n4
1.6448612377748E+29
n5
3.3125434448487E+36
2 √n
4487.6208618822
3 √n
272.06798419593
4 √n
66.989707133874
5 √n
28.893919821293
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
-20138740
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 20138741 can be divided by 8 positive divisors.
The sum of these divisors (counting 20138741) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100101011110101
3
Ternary
1101220011011022
4
Quaternary
1030310223311
5
Quinary
20123414431
6
Senary
1555350525
8
Octal
114645365
10
Decimal
20138741
12
Duodecimal
68b2445
16
Hexadecimal
1334af5
20
Vigesimal
65h6h1
36
Base36
bzn5h
md5
b391ae0b7a63108f7ced2e64d7ab18a2
sha1
d7faf2e6a41ed14a1c6e69bbc7dd36334eca65f7
sha256
810f3e3d7c8f6a9b91af7eedccd80f4667557bcdf78f3ee91952513cdfe3c494
sha512
57e9b8b93f707de255e214ab52c35a78f25a4822f029b1d9e4fa6e120953b009ccc4b083211f9ea5c7259fbf3bcee5101e1e693b1d70a713d427800b59a6a7d1
ripemd-160
6e5ad9a3191ac1f54c20391209e98b1226dbc416
Diameter
40277482
Circumference
126535441.5563
Area
1.2741322424114E+15
Volume
3.4212558972897E+22
Surface area
5.0965289696457E+15
Circumference
126535441.5563
Perimeter
80554964
Area
405568889065081
Diagonal
28480480.651319
Surface area
2433413334390486
Volume
8.1676468145394E+21
Space diagonal
34881322.61247
Perimeter
60416223
Area
1.756164804575E+14
Altitude
17440661.306235
Surface area
1.756164804575E+14
Volume
9.6256640814959E+20
Height
9493493.5504397