18252018 is an even 8-digits composite number following 18252017
and preceding 18252019 . In scientific notation, it is written as 1.8252018 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5819352 positive integers (up to 18252018) that are relatively prime to 18252018.
18252018 has 16 divisors, whose sum is 31743360
The reverse of 18252018 is 81025281
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million two hundred fifty-two thousand eighteen
Scientific notation
1.8252018 × 10^7
Engineering notation
1.8252018 × 10^6
Prime Factorization
2 × 9 × 23 × 44087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18252018
Product of the distinct prime numbers
The prime factorization of 18252018 is 2 × 9 × 23 × 44087.
Since it has a total of 4 prime factors.
1 , 5 , 21 , 75 , 423 , 433 , 4154 , 5777 , 8061 , 81962 , 835779 , 655674 , 8600203 , 6990861 , 16032725 , 42824617 , 405309284 , 584362562 , 9808036045 , 6950421722
n×2
36504036
n×3
54756054
n×4
73008072
n×5
91260090
n÷2
9126009
n÷3
6084006
n÷3
4563004.5
n÷5
3650403.6
n2
333136161072324
n3
6.080407208343E+21
n4
1.1097970181401E+29
n5
2.0256035151439E+36
2 √n
4272.238055165
3 √n
263.29157521195
4 √n
65.362359620542
5 √n
28.33101784725
1 , 2 , 9 , 18 , 23 , 46 , 207 , 414 , 44087 , 88174 , 396783 , 793566 , 1014001 , 2028002 , 9126009 , 18252018
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
-18252017
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 18252018 can be divided by 16 positive divisors.
The sum of these divisors (counting 18252018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101101000000011110010
3
Ternary
1021100022001200
4
Quaternary
1011220003302
5
Quinary
14133031033
6
Senary
1451112030
8
Octal
105500362
10
Decimal
18252018
12
Duodecimal
6142616
16
Hexadecimal
11680f2
20
Vigesimal
5e1a0i
36
Base36
av7ci
md5
ff7b6b44dfe125d21e1160ca0f93969c
sha1
ec0f719ae75fa6dc3ff4e8067f687098646b2659
sha256
065c2e9839b539c824331b80973bc152142eff45bb8963bd11e06e2f074425d5
sha512
af9abcddaf629518398de2ef9a9bc34f7126406ea58c53554fc5c4f16394a533df5c858b36f3c6d7548ccf10b6906ba10a1f488ee09e1a70e64608a9d2385814
ripemd-160
11c886599e97ee643a492f720655bc4b36229ba1
Diameter
36504036
Circumference
114680811.32398
Area
1.0465781162699E+15
Volume
2.546955015542E+22
Surface area
4.1863124650797E+15
Circumference
114680811.32398
Perimeter
73008072
Area
333136161072324
Diagonal
25812251.396278
Surface area
1998816966433944
Volume
6.080407208343E+21
Space diagonal
31613422.516662
Perimeter
54756054
Area
1.4425218920393E+14
Altitude
15806711.258331
Surface area
1.4425218920393E+14
Volume
7.1658286156581E+20
Height
8604083.7987593