28394021 is an odd 8-digits composite number following 28394020
and preceding 28394022 . In scientific notation, it is written as 2.8394021 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 28363692 positive integers (up to 28394021) that are relatively prime to 28394021.
28394021 has 4 divisors, whose sum is 28424352
The reverse of 28394021 is 12049382
Previous prime number is 967
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million three hundred ninety-four thousand twenty-one
Scientific notation
2.8394021 × 10^7
Engineering notation
2.8394021 × 10^6
Prime Factorization
967 × 29363
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28394021
Product of the distinct prime numbers
The prime factorization of 28394021 is 967 × 29363.
Since it has a total of 2 prime factors.
2 , 8 , 58 , 30 , 18 , 898 , 595 , 7152 , 98085 , 71457 , 8136 , 159919 , 4205450 , 8399316 , 26057428 , 17562327 , 823945916 , 491372529 , 4176728546 , 7208827634
n×2
56788042
n×3
85182063
n×4
113576084
n×5
141970105
n÷2
14197010.5
n÷3
9464673.6666667
n÷3
7098505.25
n÷5
5678804.2
n2
806220428548441
n3
2.2891839778833E+22
n4
6.4999137940883E+29
n5
1.8455868876753E+37
2 √n
5328.6040385827
3 √n
305.0766482987
4 √n
72.997287885117
5 √n
30.948911551869
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
-28394020
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 28394021 can be divided by 4 positive divisors.
The sum of these divisors (counting 28394021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010100001000100101
3
Ternary
1222102120021102
4
Quaternary
1230110020211
5
Quinary
24232102041
6
Senary
2452325445
8
Octal
154241045
10
Decimal
28394021
12
Duodecimal
9613885
16
Hexadecimal
1b14225
20
Vigesimal
8h9511
36
Base36
gwkyt
md5
bca2f1da70bfeca987977495ccbfdd88
sha1
dddac3947d5bee140ec24609b4606eb48aed6e0e
sha256
5bdb338d94c87f804d1d8e245cc948dea8b7fde3642f45be5285fe8ea2c8d09f
sha512
5e92d5aa6d950f925dd4ef0c659dc12c19cac2891f4af36463c0d635ade72954ab0f01684db0f16e4c54f17598336949cc715614efd1ca1d9ab7ba0d4737a4e6
ripemd-160
f5bb5b08a13617e64fa536addd1d9ac93d9cfd32
Diameter
56788042
Circumference
178404895.55895
Area
2.5328161755018E+15
Volume
9.5889114235117E+22
Surface area
1.0131264702007E+16
Circumference
178404895.55895
Perimeter
113576084
Area
806220428548441
Diagonal
40155209.588506
Surface area
4837322571290646
Volume
2.2891839778833E+22
Space diagonal
49179887.003178
Perimeter
85182063
Area
3.4910368608646E+14
Altitude
24589943.501589
Surface area
3.4910368608646E+14
Volume
2.6978291902415E+21
Height
13385069.862835