28307145 is an odd 8-digits composite number following 28307144
and preceding 28307146 . In scientific notation, it is written as 2.8307145 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 15097136 positive integers (up to 28307145) that are relatively prime to 28307145.
28307145 has 4 divisors, whose sum is 30194304
The reverse of 28307145 is 54170382
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million three hundred seven thousand one hundred forty-five
Scientific notation
2.8307145 × 10^7
Engineering notation
2.8307145 × 10^6
Prime Factorization
15 × 1887143
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28307145
Product of the distinct prime numbers
The prime factorization of 28307145 is 15 × 1887143.
Since it has a total of 2 prime factors.
8 , 1 , 29 , 94 , 602 , 263 , 9431 , 6545 , 61964 , 33543 , 321666 , 676385 , 1858193 , 9689480 , 73840261 , 38055497 , 543613355 , 400180419 , 8810883598 , 5539692104
n×2
56614290
n×3
84921435
n×4
113228580
n×5
141535725
n÷2
14153572.5
n÷3
9435715
n÷3
7076786.25
n÷5
5661429
n2
801294458051025
n3
2.2682358411747E+22
n4
6.4207280850329E+29
n5
1.817524809086E+37
2 √n
5320.4459399565
3 √n
304.76518700156
4 √n
72.94138701695
5 √n
30.929949712567
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28307144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28307145 can be divided by 4 positive divisors.
The sum of these divisors (counting 28307145) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111110111011001001
3
Ternary
1222021011002210
4
Quaternary
1223332323021
5
Quinary
24221312040
6
Senary
2450415333
8
Octal
153767311
10
Decimal
28307145
12
Duodecimal
9591549
16
Hexadecimal
1afeec9
20
Vigesimal
8gi7h5
36
Base36
gupxl
md5
410bec5c25be6c5db6fe0da6bdbbbaca
sha1
1b431751249fb8d0c13333e4b40be08aad3ea53d
sha256
06c8122b01d654d443320f63b444551b082db5afa4fd1b5741f3eb846a200f30
sha512
556a9ebde2185bb7865e2f7e19976caa85758def897ac9d76af9a6cebe2b12c7214671eea07fdc2fc4951e6f1a7b689a59fbb62160b067ebaaec1ca58f8ee5cb
ripemd-160
30ed92493ba499c8bf541a016266d58f548252fa
Diameter
56614290
Circumference
177859037.5522
Area
2.5173407827753E+15
Volume
9.5011640736579E+22
Surface area
1.0069363131101E+16
Circumference
177859037.5522
Perimeter
113228580
Area
801294458051025
Diagonal
40032348.371062
Surface area
4807766748306150
Volume
2.2682358411747E+22
Space diagonal
49029413.357219
Perimeter
84921435
Area
3.4697067829194E+14
Altitude
24514706.67861
Surface area
3.4697067829194E+14
Volume
2.673141574375E+21
Height
13344116.123687