28103472 is an even 8-digits composite number following 28103471
and preceding 28103473 . In scientific notation, it is written as 2.8103472 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors.
There are 9367776 positive integers (up to 28103472) that are relatively prime to 28103472.
28103472 has 20 divisors, whose sum is 60500840
The reverse of 28103472 is 27430182
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million one hundred three thousand four hundred seventy-two
Scientific notation
2.8103472 × 10^7
Engineering notation
2.8103472 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 195163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3512934
Product of the distinct prime numbers
The prime factorization of 28103472 is 2 × 2 × 2 × 2 × 9 × 195163.
Since it has a total of 6 prime factors.
9 , 2 , 50 , 10 , 179 , 227 , 6949 , 2643 , 20591 , 45761 , 17901 , 768357 , 211910 , 4452601 , 64405635 , 95119590 , 892733215 , 362197844 , 9304464401 , 4087191725
n×2
56206944
n×3
84310416
n×4
112413888
n×5
140517360
n÷2
14051736
n÷3
9367824
n÷3
7025868
n÷5
5620694.4
n2
789805138454784
n3
2.219626659402E+22
n4
6.2379215672958E+29
n5
1.7530725410469E+37
2 √n
5301.2707910462
3 √n
304.03248729448
4 √n
72.809826198434
5 √n
30.885312185001
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 195163 , 390326 , 780652 , 1561304 , 1756467 , 3122608 , 3512934 , 7025868 , 14051736 , 28103472
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28103471
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28103472 can be divided by 20 positive divisors.
The sum of these divisors (counting 28103472) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101011001101001100110000
3
Ternary
1221212210201100
4
Quaternary
1223031030300
5
Quinary
24143302342
6
Senary
2442204400
8
Octal
153151460
10
Decimal
28103472
12
Duodecimal
94b3700
16
Hexadecimal
1acd330
20
Vigesimal
8fcidc
36
Base36
gqcs0
md5
2a4a6c60e2b70795da307e969811332b
sha1
6c79206ae46776914e76b372349836b713b6718a
sha256
e1a1e8f7766ff6ebab200a183a3e11561a9f90c49498c709007dbd039369c60e
sha512
4dafb09c2a9002d0341ff74aed1e1a31854d1b65e532a9e6ea1d66edb5d74ae2975c398f25d6db713475e161a66b11e12b802e49a9e72af84503ce033205b936
ripemd-160
c544a3f7a1729b0e4716979ea681e60043d6ba7a
Diameter
56206944
Circumference
176579322.35113
Area
2.481246020737E+15
Volume
9.2975504091859E+22
Surface area
9.9249840829481E+15
Circumference
176579322.35113
Perimeter
112413888
Area
789805138454784
Diagonal
39744311.252173
Surface area
4738830830728704
Volume
2.219626659402E+22
Space diagonal
48676641.373089
Perimeter
84310416
Area
3.4199565697066E+14
Altitude
24338320.686545
Surface area
3.4199565697066E+14
Volume
2.615855104276E+21
Height
13248103.750724