18319681 is an odd 8-digits prime number following 18319680
and preceding 18319682 . In scientific notation, it is written as 1.8319681 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 18319680 positive integers (up to 18319681) that are relatively prime to 18319681.
18319681 has 2 divisors, whose sum is 18319682
The reverse of 18319681 is 18691381
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million three hundred nineteen thousand six hundred eighty-one
Scientific notation
1.8319681 × 10^7
Engineering notation
1.8319681 × 10^6
Prime Factorization
18319681
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18319681
Product of the distinct prime numbers
The prime factorization of 18319681 is 18319681.
Since it has a total of 1 prime factors.
1 , 1 , 22 , 72 , 525 , 80 , 1256 , 4331 , 67546 , 15904 , 721817 , 949090 , 2547044 , 1076228 , 20101526 , 78298271 , 486289067 , 203616758 , 5304728522 , 7310599729
n×2
36639362
n×3
54959043
n×4
73278724
n×5
91598405
n÷2
9159840.5
n÷3
6106560.3333333
n÷3
4579920.25
n÷5
3663936.2
n2
335610711941761
n3
6.148281182956E+21
n4
1.1263454997006E+29
n5
2.06342902503E+36
2 √n
4280.1496469166
3 √n
263.61652793147
4 √n
65.42285263512
5 √n
28.35199224449
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18319682
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9159841
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4280.1497637349
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998908278
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18319681 can be divided by 2 positive divisors.
The sum of these divisors (counting 18319681) is 18319682, the average is 9159841.
Base
System
Value
2
Binary
1000101111000100101000001
3
Ternary
1021110201212201
4
Quaternary
1011320211001
5
Quinary
14142212211
6
Senary
1452353201
8
Octal
105704501
10
Decimal
18319681
12
Duodecimal
6175801
16
Hexadecimal
1178941
20
Vigesimal
5e9j41
36
Base36
awnk1
md5
1d895285eb8f05dc1e9bc5e752701b87
sha1
ae64451d6931c70ee3dccd28a9d5cb082815d541
sha256
e4d4a919643a7b7adac67c8d7d3776e070bfd64278836da75d9c97627e211e64
sha512
3b887821887381f49f8d3a2ce3c54526912f78958867545a070b282a4e090a94fa56aa217e0ed5c1aa736a3875984825d8982b4532387be24cfa6c4e857f9b96
ripemd-160
eba7e28c33c3455e17d618183d71cfca3604ae5a
Diameter
36639362
Circumference
115105950.49142
Area
1.0543521471023E+15
Volume
2.5753859995438E+22
Surface area
4.2174085884091E+15
Circumference
115105950.49142
Perimeter
73278724
Area
335610711941761
Diagonal
25907941.328549
Surface area
2013664271650566
Volume
6.148281182956E+21
Space diagonal
31730618.270454
Perimeter
54959043
Area
1.4532370116187E+14
Altitude
15865309.135227
Surface area
1.4532370116187E+14
Volume
7.2458188618497E+20
Height
8635980.4428496