18398768 is an even 8-digits composite number following 18398767
and preceding 18398769 . In scientific notation, it is written as 1.8398768 × 10^7.
The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors.
There are 8950464 positive integers (up to 18398768) that are relatively prime to 18398768.
18398768 has 20 divisors, whose sum is 36612240
The reverse of 18398768 is 86789381
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million three hundred ninety-eight thousand seven hundred sixty-eight
Scientific notation
1.8398768 × 10^7
Engineering notation
1.8398768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 37 × 31079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2299846
Product of the distinct prime numbers
The prime factorization of 18398768 is 2 × 2 × 2 × 2 × 37 × 31079.
Since it has a total of 6 prime factors.
1 , 7 , 66 , 75 , 882 , 706 , 3515 , 5123 , 56423 , 48191 , 521945 , 374201 , 2078890 , 9085285 , 96888648 , 53024911 , 891084461 , 781236240 , 6382435865 , 9990609665
n×2
36797536
n×3
55196304
n×4
73595072
n×5
91993840
n÷2
9199384
n÷3
6132922.6666667
n÷3
4599692
n÷5
3679753.6
n2
338514663917824
n3
6.228252766022E+21
n4
1.145921776874E+29
n5
2.1083548918852E+36
2 √n
4289.3785097611
3 √n
263.99533202643
4 √n
65.493347064882
5 √n
28.376429482291
1 , 2 , 4 , 8 , 16 , 37 , 74 , 148 , 296 , 592 , 31079 , 62158 , 124316 , 248632 , 497264 , 1149923 , 2299846 , 4599692 , 9199384 , 18398768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18398767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18398768 can be divided by 20 positive divisors.
The sum of these divisors (counting 18398768) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000110001011111000110000
3
Ternary
1021121202100212
4
Quaternary
1012023320300
5
Quinary
14202230033
6
Senary
1454203252
8
Octal
106137060
10
Decimal
18398768
12
Duodecimal
61b3528
16
Hexadecimal
118be30
20
Vigesimal
5ejgi8
36
Base36
ayckw
md5
d20563d77a8ed13f500f612e3c61ba60
sha1
17320636276340603730fbf63d022132ef30c615
sha256
f8613a6a9fb959d9d47b59a93a6ea20f65a89459d84b0ab0676940a7319fa211
sha512
d30c33097d9271b114bf4cff896f983a415eee0ed52fa42ace60f842347d8e66eaedd0a9dfa74812ca98c60d413980098102876294925409a889922d08e33e20
ripemd-160
74460b54814bfa924c12907c0873fbe2d45c66f3
Diameter
36797536
Circumference
115602868.76781
Area
1.0634751812967E+15
Volume
2.6088844179247E+22
Surface area
4.2539007251866E+15
Circumference
115602868.76781
Perimeter
73595072
Area
338514663917824
Diagonal
26019787.236556
Surface area
2031087983506944
Volume
6.228252766022E+21
Space diagonal
31867600.972672
Perimeter
55196304
Area
1.4658114925319E+14
Altitude
15933800.486336
Surface area
1.4658114925319E+14
Volume
7.3400662763301E+20
Height
8673262.4121854