28103688 is an even 8-digits composite number following 28103687
and preceding 28103689 . In scientific notation, it is written as 2.8103688 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 9279360 positive integers (up to 28103688) that are relatively prime to 28103688.
28103688 has 32 divisors, whose sum is 59103000
The reverse of 28103688 is 88630182
Previous prime number is 3581
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million one hundred three thousand six hundred eighty-eight
Scientific notation
2.8103688 × 10^7
Engineering notation
2.8103688 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 3581 × 109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7025922
Product of the distinct prime numbers
The prime factorization of 28103688 is 2 × 2 × 2 × 9 × 3581 × 109.
Since it has a total of 6 prime factors.
5 , 1 , 20 , 32 , 727 , 922 , 6154 , 7763 , 35517 , 37181 , 315613 , 391203 , 2149227 , 3525084 , 43287000 , 28398818 , 258829501 , 939205953 , 7264560987 , 9178063550
n×2
56207376
n×3
84311064
n×4
112414752
n×5
140518440
n÷2
14051844
n÷3
9367896
n÷3
7025922
n÷5
5620737.6
n2
789817279201344
n3
2.2196778391683E+22
n4
6.2381133452501E+29
n5
1.7531399116355E+37
2 √n
5301.2911634808
3 √n
304.03326621186
4 √n
72.809966099984
5 √n
30.885359661034
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 109 , 218 , 436 , 872 , 981 , 1962 , 3581 , 3924 , 7162 , 7848 , 14324 , 28648 , 32229 , 64458 , 128916 , 257832 , 390329 , 780658 , 1561316 , 3122632 , 3512961 , 7025922 , 14051844 , 28103688
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28103687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28103688 can be divided by 32 positive divisors.
The sum of these divisors (counting 28103688) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011001101010000001000
3
Ternary
1221212211000100
4
Quaternary
1223031100020
5
Quinary
24143304223
6
Senary
2442205400
8
Octal
153152010
10
Decimal
28103688
12
Duodecimal
94b3860
16
Hexadecimal
1acd408
20
Vigesimal
8fcj48
36
Base36
gqcy0
md5
e930ee4c0e5fbb000c2f76eac5cd027e
sha1
9492a72f226235dfe0a05d658e3b75fbbdf058e6
sha256
0d89eaeecb3f6c83486c4f7606b398049ba89410376a0ad7e85ec5c53e79b42c
sha512
5639c4c5b516f36e42d043867e02f8e78232a751f5ad8f2bfcc0678cae7c4c5a6d1f901ce05626179e49bed1089fcdb4758386764bab1d82b40ff5860c3e9a7c
ripemd-160
71f95c623f357d92805ac0ad656ea63daf037211
Diameter
56207376
Circumference
176580679.51916
Area
2.4812841620172E+15
Volume
9.2977647904898E+22
Surface area
9.9251366480689E+15
Circumference
176580679.51916
Perimeter
112414752
Area
789817279201344
Diagonal
39744616.722302
Surface area
4738903675208064
Volume
2.2196778391683E+22
Space diagonal
48677015.496064
Perimeter
84311064
Area
3.4200091406814E+14
Altitude
24338507.748032
Surface area
3.4200091406814E+14
Volume
2.6159154202091E+21
Height
13248205.574101