18213089 is an odd 8-digits composite number following 18213088
and preceding 18213090 . In scientific notation, it is written as 1.8213089 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 17625540 positive integers (up to 18213089) that are relatively prime to 18213089.
18213089 has 4 divisors, whose sum is 18800640
The reverse of 18213089 is 98031281
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighteen million two hundred thirteen thousand eighty-nine
Scientific notation
1.8213089 × 10^7
Engineering notation
1.8213089 × 10^6
Prime Factorization
31 × 587519
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18213089
Product of the distinct prime numbers
The prime factorization of 18213089 is 31 × 587519.
Since it has a total of 2 prime factors.
1 , 10 , 98 , 68 , 518 , 823 , 1778 , 2141 , 67975 , 42245 , 926708 , 94287 , 5918262 , 2429648 , 14541867 , 18177751 , 523980141 , 830184080 , 9353167129 , 4167063397
n×2
36426178
n×3
54639267
n×4
72852356
n×5
91065445
n÷2
9106544.5
n÷3
6071029.6666667
n÷3
4553272.25
n÷5
3642617.8
n2
331716610921921
n3
6.0415841574993E+21
n4
1.1003590996153E+29
n5
2.0040938213252E+36
2 √n
4267.6795802872
3 √n
263.10425394477
4 √n
65.327479518861
5 √n
28.318922304382
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18213088
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18213089 can be divided by 4 positive divisors.
The sum of these divisors (counting 18213089) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101011110100011100001
3
Ternary
1021021022122212
4
Quaternary
1011132203201
5
Quinary
14130304324
6
Senary
1450211505
8
Octal
105364341
10
Decimal
18213089
12
Duodecimal
6123b95
16
Hexadecimal
115e8e1
20
Vigesimal
5dgce9
36
Base36
audb5
md5
8e34658cffeda71e0ca5a4ae9451755d
sha1
8da0406ed73bac34f5649c1653092651691b7ac5
sha256
9ec96726621b98d1ccdc9ccfd888bd3143a8eff0dd5711928147b9160192f267
sha512
237a9692b164fb69e91b59b9d7babc817cbd6b9a724c37b82fcaa0bf28b9bc27d5590f28d21069f9d729074ef97486851d93a5cfee01c77b5e4423179df6cf71
ripemd-160
82923267d68a293bf9abf3024cd94413f86eaac2
Diameter
36426178
Circumference
114436213.20315
Area
1.042118467946E+15
Volume
2.5306928540326E+22
Surface area
4.168473871784E+15
Circumference
114436213.20315
Perimeter
72852356
Area
331716610921921
Diagonal
25757197.476508
Surface area
1990299665531526
Volume
6.0415841574993E+21
Space diagonal
31545995.510774
Perimeter
54639267
Area
1.4363750595783E+14
Altitude
15772997.755387
Surface area
1.4363750595783E+14
Volume
7.1200752114616E+20
Height
8585732.4921694