18908085 is an odd 8-digits composite number following 18908084
and preceding 18908086 . In scientific notation, it is written as 1.8908085 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 8643648 positive integers (up to 18908085) that are relatively prime to 18908085.
18908085 has 16 divisors, whose sum is 34574976
The reverse of 18908085 is 58080981
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million nine hundred eight thousand eighty-five
Scientific notation
1.8908085 × 10^7
Engineering notation
1.8908085 × 10^6
Prime Factorization
3 × 7 × 5 × 180077
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18908085
Product of the distinct prime numbers
The prime factorization of 18908085 is 3 × 7 × 5 × 180077.
Since it has a total of 4 prime factors.
5 , 9 , 77 , 61 , 125 , 18 , 9504 , 7890 , 58147 , 40045 , 382850 , 545124 , 541328 , 7578659 , 26888022 , 18072547 , 27956714 , 184991031 , 817045040 , 1619025426
n×2
37816170
n×3
56724255
n×4
75632340
n×5
94540425
n÷2
9454042.5
n÷3
6302695
n÷3
4727021.25
n÷5
3781617
n2
357515678367225
n3
6.7599368354002E+21
n4
1.2781746027838E+29
n5
2.4167834034277E+36
2 √n
4348.3427877756
3 √n
266.40917766811
4 √n
65.941965301131
5 √n
28.531822213427
1 , 3 , 5 , 7 , 15 , 21 , 35 , 105 , 180077 , 540231 , 900385 , 1260539 , 2701155 , 3781617 , 6302695 , 18908085
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
-18908084
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 18908085 can be divided by 16 positive divisors.
The sum of these divisors (counting 18908085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000001000001110110101
3
Ternary
1022120122000110
4
Quaternary
1020020032311
5
Quinary
14320024320
6
Senary
1513133233
8
Octal
110101665
10
Decimal
18908085
12
Duodecimal
63ba219
16
Hexadecimal
12083b5
20
Vigesimal
5i3a45
36
Base36
b99kl
md5
bb8219b14b2c8dac1772bc3ec6307f2c
sha1
c3306914d187dd024117b8a2a91c77b7501bcda1
sha256
2740b7dc993c6cc6129566266e3df42ade9a94fd0791041f7629c660393fcad7
sha512
32de5c60c7887c93493cbdae09655cd60e7cf851afebc7a2dbbe49f08de8926988a7545830acf8a751efb86c8c37aa0d993652114ab45ec326292c7eb27ed4e0
ripemd-160
733231379a078a1d54d7c95fba7c2ccf71e88993
Diameter
37816170
Circumference
118803001.8589
Area
1.1231686287016E+15
Volume
2.8315957201099E+22
Surface area
4.4926745148066E+15
Circumference
118803001.8589
Perimeter
75632340
Area
357515678367225
Diagonal
26740070.245503
Surface area
2145094070203350
Volume
6.7599368354002E+21
Space diagonal
32749763.893831
Perimeter
56724255
Area
1.5480882985862E+14
Altitude
16374881.946915
Surface area
1.5480882985862E+14
Volume
7.9666619611736E+20
Height
8913356.7485011