18490090 is an even 8-digits composite number following 18490089
and preceding 18490091 . In scientific notation, it is written as 1.8490090 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 7385040 positive integers (up to 18490090) that are relatively prime to 18490090.
18490090 has 16 divisors, whose sum is 33331680
The reverse of 18490090 is 09009481
Previous prime number is 1579
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighteen million four hundred ninety thousand ninety
Scientific notation
1.8490090 × 10^7
Engineering notation
1.8490090 × 10^6
Prime Factorization
2 × 5 × 1579 × 1171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18490090
Product of the distinct prime numbers
The prime factorization of 18490090 is 2 × 5 × 1579 × 1171.
Since it has a total of 4 prime factors.
4 , 1 , 8 , 43 , 196 , 404 , 9836 , 592 , 4578 , 64421 , 127045 , 447567 , 242039 , 5846428 , 65573625 , 46898927 , 410597061 , 294296960 , 8396585410 , 9884774291
n×2
36980180
n×3
55470270
n×4
73960360
n×5
92450450
n÷2
9245045
n÷3
6163363.3333333
n÷3
4622522.5
n÷5
3698018
n2
341883428208100
n3
6.3214553570763E+21
n4
1.1688427848332E+29
n5
2.1612008287417E+36
2 √n
4300.0104651035
3 √n
264.43139027798
4 √n
65.574465038638
5 √n
28.404542914974
1 , 2 , 5 , 10 , 1171 , 1579 , 2342 , 3158 , 5855 , 7895 , 11710 , 15790 , 1849009 , 3698018 , 9245045 , 18490090
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
-18490089
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 18490090 can be divided by 16 positive divisors.
The sum of these divisors (counting 18490090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110100010001011101010
3
Ternary
1021210101122011
4
Quaternary
1012202023222
5
Quinary
14213140330
6
Senary
1500150134
8
Octal
106421352
10
Decimal
18490090
12
Duodecimal
623834a
16
Hexadecimal
11a22ea
20
Vigesimal
5fb54a
36
Base36
b0b1m
md5
7bdc9091b2ec922d30e6da154deb347a
sha1
8e7e5bc08029adea09c6db0e674b1804f287078f
sha256
d2d2f624cdd9a95a7e0ce7d9800e43fee6f1d1b3f17fc4cea2f48ee73f3766c3
sha512
e8c23e0e5842d96c608842d6a498512fd9d5e10d82b0817f52e04e28d8e14c71ba1c60b3e76ee601d8dcdad408a2fe54be12e305b4bd077909d5fae3ded283e8
ripemd-160
9e16e27ff774a3b1ae26b1b6460fe69f644f00dc
Diameter
36980180
Circumference
116176661.81643
Area
1.0740584664427E+15
Volume
2.6479250279716E+22
Surface area
4.2962338657706E+15
Circumference
116176661.81643
Perimeter
73960360
Area
341883428208100
Diagonal
26148936.047499
Surface area
2051300569248600
Volume
6.3214553570763E+21
Space diagonal
32025775.316521
Perimeter
55470270
Area
1.4803986698056E+14
Altitude
16012887.658261
Surface area
1.4803986698056E+14
Volume
7.4499065832611E+20
Height
8716312.015833