18371021 is an odd 8-digits prime number following 18371020
and preceding 18371022 . In scientific notation, it is written as 1.8371021 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 18371020 positive integers (up to 18371021) that are relatively prime to 18371021.
18371021 has 2 divisors, whose sum is 18371022
The reverse of 18371021 is 12017381
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighteen million three hundred seventy-one thousand twenty-one
Scientific notation
1.8371021 × 10^7
Engineering notation
1.8371021 × 10^6
Prime Factorization
18371021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18371021
Product of the distinct prime numbers
The prime factorization of 18371021 is 18371021.
Since it has a total of 1 prime factors.
7 , 1 , 12 , 99 , 445 , 948 , 1449 , 4517 , 62016 , 44409 , 156813 , 195074 , 5327826 , 8243781 , 81291424 , 39118434 , 351626645 , 650038594 , 3419601271 , 3175462721
n×2
36742042
n×3
55113063
n×4
73484084
n×5
91855105
n÷2
9185510.5
n÷3
6123673.6666667
n÷3
4592755.25
n÷5
3674204.2
n2
337494412582441
n3
6.2001169409347E+21
n4
1.1390247852437E+29
n5
2.0925048249232E+36
2 √n
4286.1429047571
3 √n
263.86255567498
4 √n
65.468640620966
5 √n
28.367865472098
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18371022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9185511
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4286.1430214121
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998911329
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18371021 can be divided by 2 positive divisors.
The sum of these divisors (counting 18371021) is 18371022, the average is 9185511.
Base
System
Value
2
Binary
1000110000101000111001101
3
Ternary
1021120100022012
4
Quaternary
1012011013031
5
Quinary
14200333041
6
Senary
1453431005
8
Octal
106050715
10
Decimal
18371021
12
Duodecimal
619b465
16
Hexadecimal
11851cd
20
Vigesimal
5eg7b1
36
Base36
axr65
md5
08c9ba34139e099a52c830e6c665a59d
sha1
503684c4953cdb3113416464a2bdfd9740348f80
sha256
386b7499757d6826f9055bb0870f8cc41c66f609c286e0ad0096a8457e08ef78
sha512
a2a5be36c3fc0f30a5932ec8070f2b07aab7113f9bc87f1b8b238e51a3f17809c037ce1c49550ee3653f4fa11c677b285d7f4cca8e6451a739b70af74cce2bb0
ripemd-160
83630c7923516eaf670c8321fef257720323a562
Diameter
36742042
Circumference
115428529.22509
Area
1.0602699671966E+15
Volume
2.5970989110717E+22
Surface area
4.2410798687864E+15
Circumference
115428529.22509
Perimeter
73484084
Area
337494412582441
Diagonal
25980547.052841
Surface area
2024966475494646
Volume
6.2001169409347E+21
Space diagonal
31819541.758915
Perimeter
55113063
Area
1.4613936746585E+14
Altitude
15909770.879457
Surface area
1.4613936746585E+14
Volume
7.3069078884742E+20
Height
8660182.350947