28118908 is an even 8-digits composite number following 28118907
and preceding 28118909 . In scientific notation, it is written as 2.8118908 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 14005472 positive integers (up to 28118908) that are relatively prime to 28118908.
28118908 has 12 divisors, whose sum is 49397040
The reverse of 28118908 is 80981182
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred eighteen thousand nine hundred eight
Scientific notation
2.8118908 × 10^7
Engineering notation
2.8118908 × 10^6
Prime Factorization
2 × 2 × 263 × 26729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14059454
Product of the distinct prime numbers
The prime factorization of 28118908 is 2 × 2 × 263 × 26729.
Since it has a total of 4 prime factors.
4 , 3 , 78 , 37 , 70 , 271 , 3965 , 7826 , 82054 , 30742 , 366418 , 485163 , 4041360 , 9031299 , 92747864 , 17441233 , 235569355 , 471915379 , 4765703602 , 2013512466
n×2
56237816
n×3
84356724
n×4
112475632
n×5
140594540
n÷2
14059454
n÷3
9372969.3333333
n÷3
7029727
n÷5
5623781.6
n2
790672987112464
n3
2.2232860982701E+22
n4
6.2516377254935E+29
n5
1.7578922605248E+37
2 √n
5302.7264685254
3 √n
304.0881409934
4 √n
72.819821947911
5 √n
30.888704228313
1 , 2 , 4 , 263 , 526 , 1052 , 26729 , 53458 , 106916 , 7029727 , 14059454 , 28118908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28118907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28118908 can be divided by 12 positive divisors.
The sum of these divisors (counting 28118908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011010000111101111100
3
Ternary
1221220120220001
4
Quaternary
1223100331330
5
Quinary
24144301113
6
Senary
2442404044
8
Octal
153207574
10
Decimal
28118908
12
Duodecimal
9500624
16
Hexadecimal
1ad0f7c
20
Vigesimal
8feh58
36
Base36
gqoos
md5
8eafb8c71b78aa0c24814a3d81c37f35
sha1
c39df96a863d104302cc7192e064a03ba15d01b7
sha256
490a0c8d9bdfc66b5d526b36bff6962dd550f213505cf16935d254c141765055
sha512
95aa9d8c5b94a8c8e959bd45bcfb97ec71021b76b61889dc6ff8a44b68de5f4a60b1cee688b7848ebdb045e08189831757065f8ed55dd711301c2c68ead85106
ripemd-160
6a14b062e9bb6dacf3e8d8e7c14f69463991478f
Diameter
56237816
Circumference
176676309.59953
Area
2.4839724477044E+15
Volume
9.3128790308714E+22
Surface area
9.9358897908177E+15
Circumference
176676309.59953
Perimeter
112475632
Area
790672987112464
Diagonal
39766141.052721
Surface area
4744037922674784
Volume
2.2232860982701E+22
Space diagonal
48703377.309355
Perimeter
84356724
Area
3.4237144646276E+14
Altitude
24351688.654677
Surface area
3.4237144646276E+14
Volume
2.6201677943409E+21
Height
13255380.350907