28405939 is an odd 8-digits prime number following 28405938
and preceding 28405940 . In scientific notation, it is written as 2.8405939 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 28405938 positive integers (up to 28405939) that are relatively prime to 28405939.
28405939 has 2 divisors, whose sum is 28405940
The reverse of 28405939 is 93950482
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million four hundred five thousand nine hundred thirty-nine
Scientific notation
2.8405939 × 10^7
Engineering notation
2.8405939 × 10^6
Prime Factorization
28405939
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28405939
Product of the distinct prime numbers
The prime factorization of 28405939 is 28405939.
Since it has a total of 1 prime factors.
8 , 1 , 89 , 16 , 104 , 905 , 2105 , 4867 , 36471 , 46172 , 579459 , 182484 , 9053278 , 8994468 , 11806701 , 11613104 , 442030647 , 317638892 , 8003894285 , 7747892908
n×2
56811878
n×3
85217817
n×4
113623756
n×5
142029695
n÷2
14202969.5
n÷3
9468646.3333333
n÷3
7101484.75
n÷5
5681187.8
n2
806897370471721
n3
2.292067748488E+22
n4
6.5108336647418E+29
n5
1.849463439198E+37
2 √n
5329.7222254072
3 √n
305.11932623791
4 √n
73.004946581771
5 √n
30.951509191814
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28405940
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14202970
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5329.7223192208
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999295922
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28405939 can be divided by 2 positive divisors.
The sum of these divisors (counting 28405939) is 28405940, the average is 14202970.
Base
System
Value
2
Binary
1101100010111000010110011
3
Ternary
1222110011121211
4
Quaternary
1230113002303
5
Quinary
24232442224
6
Senary
2452500551
8
Octal
154270263
10
Decimal
28405939
12
Duodecimal
961a757
16
Hexadecimal
1b170b3
20
Vigesimal
8haegj
36
Base36
gwu5v
md5
b23b1c953fa450863a1aa3aad3a8b644
sha1
7869100b501dac472d48f1cd3031993dca5b751b
sha256
06112294a7809823b49c8f66f3ed2fac46fe33f5386f9000c5777252ca85bbf5
sha512
66e33d4f202876847a1829b1b4b979e54896e282457c4152e1123e4db40886f18bbb25e8c9879f494488908588fbd636d01d34bf1ba1d2285fb593acada16c83
ripemd-160
da6eba314ae0e2f6d303c516de4ae0cae8ce619a
Diameter
56811878
Circumference
178479778.56144
Area
2.5349428512749E+15
Volume
9.6009909335734E+22
Surface area
1.01397714051E+16
Circumference
178479778.56144
Perimeter
113623756
Area
806897370471721
Diagonal
40172064.185743
Surface area
4841384222830326
Volume
2.292067748488E+22
Space diagonal
49200529.584702
Perimeter
85217817
Area
3.4939681053769E+14
Altitude
24600264.792351
Surface area
3.4939681053769E+14
Volume
2.7012277464914E+21
Height
13390688.061914