18890090 is an even 8-digits composite number following 18890089
and preceding 18890091 . In scientific notation, it is written as 1.8890090 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 7556032 positive integers (up to 18890090) that are relatively prime to 18890090.
18890090 has 8 divisors, whose sum is 34002180
The reverse of 18890090 is 09009881
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million eight hundred ninety thousand ninety
Scientific notation
1.8890090 × 10^7
Engineering notation
1.8890090 × 10^6
Prime Factorization
2 × 5 × 1889009
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18890090
Product of the distinct prime numbers
The prime factorization of 18890090 is 2 × 5 × 1889009.
Since it has a total of 3 prime factors.
8 , 5 , 68 , 87 , 512 , 315 , 863 , 8035 , 44281 , 99670 , 65460 , 257863 , 944263 , 161549 , 44586838 , 40789272 , 549951779 , 410663419 , 7120857043 , 9174782815
n×2
37780180
n×3
56670270
n×4
75560360
n×5
94450450
n÷2
9445045
n÷3
6296696.6666667
n÷3
4722522.5
n÷5
3778018
n2
356835500208100
n3
6.740654714126E+21
n4
1.2733157420876E+29
n5
2.4053048966452E+36
2 √n
4346.2731161306
3 √n
266.32463614705
4 √n
65.926270303504
5 √n
28.526389344822
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18890089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18890090 can be divided by 8 positive divisors.
The sum of these divisors (counting 18890090) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000000011110101101010
3
Ternary
1022112201022222
4
Quaternary
1020003311222
5
Quinary
14313440330
6
Senary
1512514042
8
Octal
110036552
10
Decimal
18890090
12
Duodecimal
63ab922
16
Hexadecimal
1203d6a
20
Vigesimal
5i154a
36
Base36
b8voq
md5
dff4f3cee542b78fb8a8ed7a7cfb3b70
sha1
2cf635740bd62102e1adf116a7ba1a9305f6760d
sha256
7de0461ea745e3946e239b63d366e2c3c7ea3c58cf8aba65bb8aea0632592955
sha512
4f958aa7f606821b53aea05b1a13dadae2458096442b99bb88841cda0d139d430a731a96535e90ca4bf37d65bc303266df20f4fd070ab0e4b5bcbdeb82b5dcb4
ripemd-160
831220414e20e299d56d9cc0d4e95ad1bd98a04d
Diameter
37780180
Circumference
118689935.9393
Area
1.1210317859938E+15
Volume
2.8235188440378E+22
Surface area
4.4841271439752E+15
Circumference
118689935.9393
Perimeter
75560360
Area
356835500208100
Diagonal
26714621.472448
Surface area
2141013001248600
Volume
6.740654714126E+21
Space diagonal
32718595.639549
Perimeter
56670270
Area
1.5451430407617E+14
Altitude
16359297.819774
Surface area
1.5451430407617E+14
Volume
7.943937763326E+20
Height
8904873.8241495