20181365 is an odd 8-digits composite number following 20181364
and preceding 20181366 . In scientific notation, it is written as 2.0181365 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 16145088 positive integers (up to 20181365) that are relatively prime to 20181365.
20181365 has 4 divisors, whose sum is 24217644
The reverse of 20181365 is 56318102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred eighty-one thousand three hundred sixty-five
Scientific notation
2.0181365 × 10^7
Engineering notation
2.0181365 × 10^6
Prime Factorization
5 × 4036273
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20181365
Product of the distinct prime numbers
The prime factorization of 20181365 is 5 × 4036273.
Since it has a total of 2 prime factors.
4 , 10 , 93 , 46 , 669 , 244 , 2478 , 8190 , 12830 , 51255 , 834384 , 646593 , 4675740 , 6210515 , 55647190 , 91644451 , 875170866 , 607216447 , 6281942946 , 4665675050
n×2
40362730
n×3
60544095
n×4
80725460
n×5
100906825
n÷2
10090682.5
n÷3
6727121.6666667
n÷3
5045341.25
n÷5
4036273
n2
407287493263225
n3
8.2196175614802E+21
n4
1.6588310216864E+29
n5
3.3477474321976E+36
2 √n
4492.3674159623
3 √n
272.25979449624
4 √n
67.025125258834
5 √n
28.906140377693
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181364
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181365 can be divided by 4 positive divisors.
The sum of these divisors (counting 20181365) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111111000101110101
3
Ternary
1101222022121222
4
Quaternary
1030333011311
5
Quinary
20131300430
6
Senary
2000320125
8
Octal
114770565
10
Decimal
20181365
12
Duodecimal
6913045
16
Hexadecimal
133f175
20
Vigesimal
662d85
36
Base36
c0k1h
md5
47cf40ca20336ec8990d877bad1fa01e
sha1
b7a59c215070578b1ab6572f973db623eaee1880
sha256
559f1e76367388607c1605eb1e52b2da87232cc05ab1a2aac784e540f2392071
sha512
4def9da49a9e06565f3fafcd38c348709e080168e258050e8538878fb1659a9e983aa9d11b0c8ab9b06ae4e9aa6807b0937aa791bae27926603c3013855286df
ripemd-160
11a8d8e0f6387b6857ee7f6a676b871f5c066cad
Diameter
40362730
Circumference
126803256.04683
Area
1.2795313967348E+15
Volume
3.4430253528618E+22
Surface area
5.118125586939E+15
Circumference
126803256.04683
Perimeter
80725460
Area
407287493263225
Diagonal
28540760.090202
Surface area
2443724959579350
Volume
8.2196175614802E+21
Space diagonal
34955149.546092
Perimeter
60544095
Area
1.7636065790482E+14
Altitude
17477574.773046
Surface area
1.7636065790482E+14
Volume
9.6869121941378E+20
Height
9513586.6967339