18131489 is an odd 8-digits prime number following 18131488
and preceding 18131490 . In scientific notation, it is written as 1.8131489 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 18131488 positive integers (up to 18131489) that are relatively prime to 18131489.
18131489 has 2 divisors, whose sum is 18131490
The reverse of 18131489 is 98413181
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million one hundred thirty-one thousand four hundred eighty-nine
Scientific notation
1.8131489 × 10^7
Engineering notation
1.8131489 × 10^6
Prime Factorization
18131489
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18131489
Product of the distinct prime numbers
The prime factorization of 18131489 is 18131489.
Since it has a total of 1 prime factors.
8 , 10 , 32 , 29 , 576 , 659 , 4035 , 1393 , 45512 , 83349 , 463760 , 82063 , 6846831 , 9777196 , 18752905 , 50067047 , 17731146 , 106884073 , 6864152773 , 2357207529
n×2
36262978
n×3
54394467
n×4
72525956
n×5
90657445
n÷2
9065744.5
n÷3
6043829.6666667
n÷3
4532872.25
n÷5
3626297.8
n2
328750893357121
n3
5.9607432066448E+21
n4
1.0807714988311E+29
n5
1.9595996542569E+36
2 √n
4258.1086176846
3 √n
262.71073749979
4 √n
65.254184675656
5 √n
28.293501284407
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18131490
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9065745
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4258.1087351076
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998896947
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18131489 can be divided by 2 positive divisors.
The sum of these divisors (counting 18131489) is 18131490, the average is 9065745.
Base
System
Value
2
Binary
1000101001010101000100001
3
Ternary
1021010011201122
4
Quaternary
1011022220201
5
Quinary
14120201424
6
Senary
1444342025
8
Octal
105125041
10
Decimal
18131489
12
Duodecimal
60a4915
16
Hexadecimal
114aa21
20
Vigesimal
5d68e9
36
Base36
asmch
md5
7c6e33f578d9f116a1885ebbe3ecbad9
sha1
3edd2120c02fa846e26e52d8b27888628e9b384a
sha256
f19760fe974de75c70834e4513d5fcf8cbee080ce6d3203cf24c946bd97acbbb
sha512
38f99deb2d11cba5b65e431a320a32ca68d96934c774dea44cc60d636005468d18d8ed1899a87a1406e8962dc4171497b2b7fd88d1fa87586cd8cbd1cba3bb1d
ripemd-160
1abacb8a9980e27afee4a56b075322b8d376dfa6
Diameter
36262978
Circumference
113923505.28209
Area
1.0328013914318E+15
Volume
2.4968302757241E+22
Surface area
4.1312055657273E+15
Circumference
113923505.28209
Perimeter
72525956
Area
328750893357121
Diagonal
25641797.649819
Surface area
1972505360142726
Volume
5.9607432066448E+21
Space diagonal
31404660.164876
Perimeter
54394467
Area
1.4235331258205E+14
Altitude
15702330.082438
Surface area
1.4235331258205E+14
Volume
7.024803237217E+20
Height
8547265.8832729