28289399 is an odd 8-digits composite number following 28289398
and preceding 28289400 . In scientific notation, it is written as 2.8289399 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 27631464 positive integers (up to 28289399) that are relatively prime to 28289399.
28289399 has 4 divisors, whose sum is 28947336
The reverse of 28289399 is 99398282
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million two hundred eighty-nine thousand three hundred ninety-nine
Scientific notation
2.8289399 × 10^7
Engineering notation
2.8289399 × 10^6
Prime Factorization
43 × 657893
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28289399
Product of the distinct prime numbers
The prime factorization of 28289399 is 43 × 657893.
Since it has a total of 2 prime factors.
6 , 4 , 64 , 31 , 5 , 466 , 1592 , 5691 , 95957 , 49428 , 604649 , 747443 , 5922338 , 1440714 , 70688689 , 44423815 , 952836908 , 279961112 , 9597216796 , 7283115327
n×2
56578798
n×3
84868197
n×4
113157596
n×5
141446995
n÷2
14144699.5
n÷3
9429799.6666667
n÷3
7072349.75
n÷5
5657879.8
n2
800290095781201
n3
2.2639725835303E+22
n4
6.4046423740548E+29
n5
1.8118348357194E+37
2 √n
5318.7779611486
3 √n
304.70148702303
4 √n
72.929952427988
5 √n
30.926070687824
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
-28289398
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 28289399 can be divided by 4 positive divisors.
The sum of these divisors (counting 28289399) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111010100101110111
3
Ternary
1222020020202112
4
Quaternary
1223322211313
5
Quinary
24220230044
6
Senary
2450201235
8
Octal
153724567
10
Decimal
28289399
12
Duodecimal
958321b
16
Hexadecimal
1afa977
20
Vigesimal
8gg39j
36
Base36
guc8n
md5
a2090a6445836703d426ae5b22dd17fa
sha1
3d941d61326ab9b354bc763e02d255bca4249f7c
sha256
f1972b90c49dc86ea11bf342e5990e4ca9d658dfb3729003f743c35d4b58031b
sha512
770cf24d2411a89aaf1333c11422a59001d7442ae614499cbea5664f7dd050bc2fdc5eac66729aab2595eab139417f0d3703755d48f32be73b7e23c4e5fd73cc
ripemd-160
68976717ea2d6d87724830c650dd98d5063aedc4
Diameter
56578798
Circumference
177747536.14574
Area
2.5141854856469E+15
Volume
9.4833061817965E+22
Surface area
1.0056741942588E+16
Circumference
177747536.14574
Perimeter
113157596
Area
800290095781201
Diagonal
40007251.737184
Surface area
4801740574687206
Volume
2.2639725835303E+22
Space diagonal
48998676.383588
Perimeter
84868197
Area
3.465357766718E+14
Altitude
24499338.191794
Surface area
3.465357766718E+14
Volume
2.6681172770578E+21
Height
13335750.579061