28195 is an odd 5-digits composite number following 28194
and preceding 28196 . In scientific notation, it is written as 2.8195 × 10^4.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 22552 positive integers (up to 28195) that are relatively prime to 28195.
28195 has 4 divisors, whose sum is 33840
The reverse of 28195 is 59182
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 25
Digital Root 7
Name
twenty-eight thousand one hundred ninety-five
Scientific notation
2.8195 × 10^4
Engineering notation
2.8195 × 10^3
Prime Factorization
5 × 5639
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28195
Product of the distinct prime numbers
The prime factorization of 28195 is 5 × 5639.
Since it has a total of 2 prime factors.
3 , 10 , 11 , 72 , 916 , 932 , 6886 , 5745 , 81995 , 33414 , 306813 , 167715 , 1647252 , 489893 , 78778573 , 64902842 , 819283069 , 238022281 , 2983026331 , 2431454965
n×2
56390
n×3
84585
n×4
112780
n×5
140975
n÷2
14097.5
n÷3
9398.3333333333
n÷3
7048.75
n÷5
5639
n2
794958025
n3
22413841514875
n4
631958261511900625
n5
1.7818063183328E+22
2 √n
167.91366829416
3 √n
30.436218950254
4 √n
12.958150651006
5 √n
7.7630864013101
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
-28194
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 28195 can be divided by 4 positive divisors.
The sum of these divisors (counting 28195) is 1, the average is 0.25.
Base
System
Value
2
Binary
110111000100011
3
Ternary
1102200021
4
Quaternary
12320203
5
Quinary
1400240
6
Senary
334311
8
Octal
67043
10
Decimal
28195
12
Duodecimal
14397
16
Hexadecimal
6e23
20
Vigesimal
3a9f
36
Base36
lr7
md5
c6029c2e2ed1d0a8594a28d81d32c8b5
sha1
56d1334b2f55ef1a45d0f620e92c6901d4b6084d
sha256
940f1ce6b2f59982341e9a3bb0f61a6db7869b9faa58e0e5d01cc4f29014b561
sha512
9aeebfde6a8b17bc8766f2f139ac2aaf0b27fbffdaa1c6c04cf2b13cfcbd3fd1c6942b496db9577a5fea006f21a1a16128f79724536dffbf36f2843f9aa6057e
ripemd-160
22540b0ff5489646b10ea6440be8d62bff076f30
Diameter
56390
Circumference
177154.40973593
Area
2497434291.2523
Volume
93886879789143
Surface area
9989737165.009
Circumference
177154.40973593
Perimeter
112780
Area
794958025
Diagonal
39873.751391109
Surface area
4769748150
Volume
22413841514875
Space diagonal
48835.172519404
Perimeter
84585
Area
344226922.29615
Altitude
24417.586259702
Surface area
344226922.29615
Volume
2641496554601.4
Height
13291.250463703