28420072 is an even 8-digits composite number following 28420071
and preceding 28420073 . In scientific notation, it is written as 2.8420072 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors.
There are 14210032 positive integers (up to 28420072) that are relatively prime to 28420072.
28420072 has 8 divisors, whose sum is 53287650
The reverse of 28420072 is 27002482
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-eight million four hundred twenty thousand seventy-two
Scientific notation
2.8420072 × 10^7
Engineering notation
2.8420072 × 10^6
Prime Factorization
2 × 2 × 2 × 3552509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7105018
Product of the distinct prime numbers
The prime factorization of 28420072 is 2 × 2 × 2 × 3552509.
Since it has a total of 4 prime factors.
5 , 2 , 98 , 77 , 429 , 691 , 6982 , 2062 , 90494 , 28674 , 156738 , 550634 , 1190438 , 6145889 , 73074954 , 23877554 , 314731072 , 854186195 , 7786664833 , 9569461254
n×2
56840144
n×3
85260216
n×4
113680288
n×5
142100360
n÷2
14210036
n÷3
9473357.3333333
n÷3
7105018
n÷5
5684014.4
n2
807700492485184
n3
2.2954906150864E+22
n4
6.5238008556081E+29
n5
1.8540689003004E+37
2 √n
5331.0479270027
3 √n
305.16992054575
4 √n
73.014025549909
5 √n
30.95458848202
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28420071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28420072 can be divided by 8 positive divisors.
The sum of these divisors (counting 28420072) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011010011111101000
3
Ternary
1222110220000021
4
Quaternary
1230122133220
5
Quinary
24233420242
6
Senary
2453050224
8
Octal
154323750
10
Decimal
28420072
12
Duodecimal
9626974
16
Hexadecimal
1b1a7e8
20
Vigesimal
8hca3c
36
Base36
gx52g
md5
2c3c81f64081e4c981e204c500fc113b
sha1
75c24546c8c1267c7c1ce8a36df70e9248350c40
sha256
43296be8747ee751af013bbe0c01464d8f710deb95e3d0e5ee9c489e8345cde8
sha512
9071c223b7fd09911e9ffa52dbc103c813740e4256bb6d667aa4fb324de80e7b9dd56f7415bc12a03c04325d6a632517de71c35f973dd5d632d2aa204c403e35
ripemd-160
c99523f6a255065b04f4ebfd4ff4c3f134e49c70
Diameter
56840144
Circumference
178568578.81939
Area
2.5374659334923E+15
Volume
9.6153286036532E+22
Surface area
1.0149863733969E+16
Circumference
178568578.81939
Perimeter
113680288
Area
807700492485184
Diagonal
40192051.26602
Surface area
4846202954911104
Volume
2.2954906150864E+22
Space diagonal
49225008.658766
Perimeter
85260216
Area
3.4974457257069E+14
Altitude
24612504.329383
Surface area
3.4974457257069E+14
Volume
2.7052616334628E+21
Height
13397350.422007