18408028 is an even 8-digits composite number following 18408027
and preceding 18408029 . In scientific notation, it is written as 1.8408028 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 9074240 positive integers (up to 18408028) that are relatively prime to 18408028.
18408028 has 12 divisors, whose sum is 32668272
The reverse of 18408028 is 82080481
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighteen million four hundred eight thousand twenty-eight
Scientific notation
1.8408028 × 10^7
Engineering notation
1.8408028 × 10^6
Prime Factorization
2 × 2 × 71 × 64817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9204014
Product of the distinct prime numbers
The prime factorization of 18408028 is 2 × 2 × 71 × 64817.
Since it has a total of 4 prime factors.
2 , 1 , 5 , 41 , 720 , 150 , 5004 , 4624 , 63074 , 80733 , 173834 , 192695 , 3027271 , 1196200 , 43821304 , 72990284 , 305001211 , 306609324 , 2150490284 , 7750726133
n×2
36816056
n×3
55224084
n×4
73632112
n×5
92040140
n÷2
9204014
n÷3
6136009.3333333
n÷3
4602007
n÷5
3681605.6
n2
338855494848784
n3
6.2376614371303E+21
n4
1.1482304638921E+29
n5
2.113665852978E+36
2 √n
4290.4577844328
3 √n
264.03961373725
4 √n
65.501586121504
5 √n
28.379285247999
1 , 2 , 4 , 71 , 142 , 284 , 64817 , 129634 , 259268 , 4602007 , 9204014 , 18408028
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18408027
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18408028 can be divided by 12 positive divisors.
The sum of these divisors (counting 18408028) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110001110001001011100
3
Ternary
1021122020001211
4
Quaternary
1012032021130
5
Quinary
14203024103
6
Senary
1454314204
8
Octal
106161134
10
Decimal
18408028
12
Duodecimal
61b8964
16
Hexadecimal
118e25c
20
Vigesimal
5f1018
36
Base36
ayjq4
md5
a0e6b4b17b3c806b2c23922c50409d0d
sha1
8c95078614a54f73a3bd1d704ec4588716e4321c
sha256
c74f5e9ebb3ef514b02c06433f9f3dfe91b06216ed5a8d20306c58aa98005555
sha512
aa8440c9f44f3a324501f7562aa95ec3d4ec05b10722ba07f90eaa434630a2b9d353d97b3216ef66d6b8e3845ef1f96fa3551ca6b369aaa9979996a1dc82c686
ripemd-160
8a785bcfaafb90f9241900b69578b199ada4f2af
Diameter
36816056
Circumference
115661051.06375
Area
1.0645459332455E+15
Volume
2.6128255128625E+22
Surface area
4.2581837329819E+15
Circumference
115661051.06375
Perimeter
73632112
Area
338855494848784
Diagonal
26032882.854144
Surface area
2033132969092704
Volume
6.2376614371303E+21
Space diagonal
31883639.763151
Perimeter
55224084
Area
1.467287333755E+14
Altitude
15941819.881575
Surface area
1.467287333755E+14
Volume
7.3511545015677E+20
Height
8677627.6180479