18238468 is an even 8-digits composite number following 18238467
and preceding 18238469 . In scientific notation, it is written as 1.8238468 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 9053352 positive integers (up to 18238468) that are relatively prime to 18238468.
18238468 has 12 divisors, whose sum is 32147920
The reverse of 18238468 is 86483281
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million two hundred thirty-eight thousand four hundred sixty-eight
Scientific notation
1.8238468 × 10^7
Engineering notation
1.8238468 × 10^6
Prime Factorization
2 × 2 × 139 × 32803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9119234
Product of the distinct prime numbers
The prime factorization of 18238468 is 2 × 2 × 139 × 32803.
Since it has a total of 4 prime factors.
7 , 4 , 33 , 32 , 319 , 510 , 4577 , 6963 , 36157 , 76752 , 667486 , 839764 , 7265713 , 7066187 , 38444262 , 70221731 , 258730217 , 855315162 , 2932415530 , 5122051128
n×2
36476936
n×3
54715404
n×4
72953872
n×5
91192340
n÷2
9119234
n÷3
6079489.3333333
n÷3
4559617
n÷5
3647693.6
n2
332641714987024
n3
6.066875274256E+21
n4
1.1065051054951E+29
n5
2.0180957958409E+36
2 √n
4270.6519408634
3 √n
263.22640462731
4 √n
65.350225254879
5 √n
28.326810100592
1 , 2 , 4 , 139 , 278 , 556 , 32803 , 65606 , 131212 , 4559617 , 9119234 , 18238468
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
-18238467
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 18238468 can be divided by 12 positive divisors.
The sum of these divisors (counting 18238468) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101100100110000000100
3
Ternary
1021022121110211
4
Quaternary
1011210300010
5
Quinary
14132112333
6
Senary
1450525204
8
Octal
105446004
10
Decimal
18238468
12
Duodecimal
6136804
16
Hexadecimal
1164c04
20
Vigesimal
5djg38
36
Base36
auww4
md5
a6a42d400335040a94caba5ee97cf729
sha1
dbd9d8238657b1fd6798b9252a1f865a0c3bc700
sha256
21f79922b6de73ae5d54d0fef27f40e2d76cc26fcf65993659a9e1015ffe614c
sha512
ee8b7f39556a8eeb3d005b347c0e19680e00384afa24c3e17c36ef90104c412bcb0f4a4bfbda0e17a313fb1b814ead195a829f065a770e0d6c026e1d6e89e60e
ripemd-160
2f8fe64c7b74fb0cb04a1eb29821a684d808becf
Diameter
36476936
Circumference
114595674.16307
Area
1.0450247680807E+15
Volume
2.5412867722464E+22
Surface area
4.180099072323E+15
Circumference
114595674.16307
Perimeter
72953872
Area
332641714987024
Diagonal
25793088.802508
Surface area
1995850289922144
Volume
6.066875274256E+21
Space diagonal
31589953.228219
Perimeter
54715404
Area
1.4403808776859E+14
Altitude
15794976.61411
Surface area
1.4403808776859E+14
Volume
7.149881078399E+20
Height
8597696.2675026