18908045 is an odd 8-digits composite number following 18908044
and preceding 18908046 . In scientific notation, it is written as 1.8908045 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 13880640 positive integers (up to 18908045) that are relatively prime to 18908045.
18908045 has 16 divisors, whose sum is 24579072
The reverse of 18908045 is 54080981
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million nine hundred eight thousand forty-five
Scientific notation
1.8908045 × 10^7
Engineering notation
1.8908045 × 10^6
Prime Factorization
5 × 13 × 191 × 1523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18908045
Product of the distinct prime numbers
The prime factorization of 18908045 is 5 × 13 × 191 × 1523.
Since it has a total of 4 prime factors.
5 , 6 , 21 , 58 , 160 , 965 , 9619 , 7398 , 91067 , 86110 , 29012 , 292517 , 1969354 , 8435338 , 69402144 , 41764646 , 572638802 , 513559207 , 8573329287 , 21972118
n×2
37816090
n×3
56724135
n×4
75632180
n×5
94540225
n÷2
9454022.5
n÷3
6302681.6666667
n÷3
4727011.25
n÷5
3781609
n2
357514165722025
n3
6.7598939336095E+21
n4
1.2781637869192E+29
n5
2.4167578400438E+36
2 √n
4348.3381883198
3 √n
266.40898980536
4 √n
65.941930426094
5 √n
28.531810141619
1 , 5 , 13 , 65 , 191 , 955 , 1523 , 2483 , 7615 , 12415 , 19799 , 98995 , 290893 , 1454465 , 3781609 , 18908045
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
-18908044
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 18908045 can be divided by 16 positive divisors.
The sum of these divisors (counting 18908045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000001000001110001101
3
Ternary
1022120121221222
4
Quaternary
1020020032031
5
Quinary
14320024140
6
Senary
1513133125
8
Octal
110101615
10
Decimal
18908045
12
Duodecimal
63ba1a5
16
Hexadecimal
120838d
20
Vigesimal
5i3a25
36
Base36
b99jh
md5
e6013689b9adb578755477c92bad0bf5
sha1
d41a53f741001a2b2238dc0adec27a4521d3811e
sha256
079616e95d339f01373b93b41e5854099be2bcd6d73aa43136de8801b6cdb150
sha512
b0dce254080e683cab81c0a977c02601f84d2f8659ebd7e871cf90cb156724c591af02810af7a260c5b2556acfeae75a8dafe5e9cfcbdda16293bd047cd70189
ripemd-160
087914f7108243ca8fa27cdf4b81c77afdd0c6c9
Diameter
37816090
Circumference
118802750.53149
Area
1.1231638765866E+15
Volume
2.8315777494498E+22
Surface area
4.4926555063464E+15
Circumference
118802750.53149
Perimeter
75632180
Area
357514165722025
Diagonal
26740013.676961
Surface area
2145084994332150
Volume
6.7598939336095E+21
Space diagonal
32749694.611799
Perimeter
56724135
Area
1.5480817486404E+14
Altitude
16374847.305899
Surface area
1.5480817486404E+14
Volume
7.9666114009285E+20
Height
8913337.8923203