18307949 is an odd 8-digits composite number following 18307948
and preceding 18307950 . In scientific notation, it is written as 1.8307949 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 15787200 positive integers (up to 18307949) that are relatively prime to 18307949.
18307949 has 16 divisors, whose sum is 21026304
The reverse of 18307949 is 94970381
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million three hundred seven thousand nine hundred forty-nine
Scientific notation
1.8307949 × 10^7
Engineering notation
1.8307949 × 10^6
Prime Factorization
11 × 31 × 53 × 1013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18307949
Product of the distinct prime numbers
The prime factorization of 18307949 is 11 × 31 × 53 × 1013.
Since it has a total of 4 prime factors.
6 , 1 , 15 , 60 , 801 , 665 , 2450 , 6213 , 83400 , 1662 , 994339 , 769732 , 1480762 , 7045370 , 49715943 , 37881914 , 994538245 , 73233123 , 9259214955 , 2812703629
n×2
36615898
n×3
54923847
n×4
73231796
n×5
91539745
n÷2
9153974.5
n÷3
6102649.6666667
n÷3
4576987.25
n÷5
3661589.8
n2
335180996586601
n3
6.1364765912767E+21
n4
1.1234630047279E+29
n5
2.0568303393945E+36
2 √n
4278.778914597
3 √n
263.56024220714
4 √n
65.412375851952
5 √n
28.348359967141
1 , 11 , 31 , 53 , 341 , 583 , 1013 , 1643 , 11143 , 18073 , 31403 , 53689 , 345433 , 590579 , 1664359 , 18307949
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18307948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18307949 can be divided by 16 positive divisors.
The sum of these divisors (counting 18307949) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101110101101101101101
3
Ternary
1021110010210012
4
Quaternary
1011311231231
5
Quinary
14141323244
6
Senary
1452223005
8
Octal
105655555
10
Decimal
18307949
12
Duodecimal
616aa65
16
Hexadecimal
1175b6d
20
Vigesimal
5e89h9
36
Base36
awei5
md5
cf6f7e3f40c89d6bdaabd0a345169927
sha1
53cc6c2d56b19de85bda3d6554ea38c3fdf5003c
sha256
47873edf4a3e7ef761299a916539a18fe26028b095da3d489aaebb3030d2033e
sha512
f92248495c221021ebad4d8a4c6ee902883592e1b853974ac8124fc42edcc9fd663961ee4391c005e1d7d9fc73aa3130bba3c2ed1e678d3873808320243dcb6f
ripemd-160
cd6494081558300f1941c7219456eecb13d2458e
Diameter
36615898
Circumference
115032236.16139
Area
1.0530021564994E+15
Volume
2.5704413037441E+22
Surface area
4.2120086259975E+15
Circumference
115032236.16139
Perimeter
73231796
Area
335180996586601
Diagonal
25891349.775035
Surface area
2011085979519606
Volume
6.1364765912767E+21
Space diagonal
31710297.85038
Perimeter
54923847
Area
1.4513762895489E+14
Altitude
15855148.92519
Surface area
1.4513762895489E+14
Volume
7.2319070171404E+20
Height
8630449.9250116