28490081 is an odd 8-digits composite number following 28490080
and preceding 28490082 . In scientific notation, it is written as 2.8490081 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 28342272 positive integers (up to 28490081) that are relatively prime to 28490081.
28490081 has 4 divisors, whose sum is 28637892
The reverse of 28490081 is 18009482
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million four hundred ninety thousand eighty-one
Scientific notation
2.8490081 × 10^7
Engineering notation
2.8490081 × 10^6
Prime Factorization
193 × 147617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28490081
Product of the distinct prime numbers
The prime factorization of 28490081 is 193 × 147617.
Since it has a total of 2 prime factors.
1 , 4 , 78 , 96 , 509 , 842 , 6166 , 9550 , 88806 , 26972 , 433202 , 537390 , 5008252 , 6865711 , 88651726 , 34223159 , 231502496 , 226512698 , 4650700224 , 7968857511
n×2
56980162
n×3
85470243
n×4
113960324
n×5
142450405
n÷2
14245040.5
n÷3
9496693.6666667
n÷3
7122520.25
n÷5
5698016.2
n2
811684715386561
n3
2.3124963287825E+22
n4
6.5883207719216E+29
n5
1.8770179244603E+37
2 √n
5337.610045704
3 √n
305.42029666455
4 √n
73.058949114424
5 √n
30.969823964836
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
-28490080
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 28490081 can be divided by 4 positive divisors.
The sum of these divisors (counting 28490081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011100101100001
3
Ternary
1222121110001012
4
Quaternary
1230223211201
5
Quinary
24243140311
6
Senary
2454350305
8
Octal
154534541
10
Decimal
28490081
12
Duodecimal
965b395
16
Hexadecimal
1b2b961
20
Vigesimal
8i1541
36
Base36
gyn35
md5
af7af6ada8a01ab15897ba98b96467c4
sha1
db621ff2fdde97fd39102840e1b36c632d9a628b
sha256
bc8834366112a28e5d2dc4b3a86661fcff146b20fd3eac00af39cb962a1d332e
sha512
bb37da9643a5d11be5b111c2e51c3fe0cca768304e80a445bac40fdfaed8dc08ac7474903b1db44db991d2417edba0785a0b7c5005082141faf472a8469a2d0d
ripemd-160
3ff8fe6ba75842123238d879c251f632b3ea2ef7
Diameter
56980162
Circumference
179008458.33956
Area
2.5499827388895E+15
Volume
9.6865619706087E+22
Surface area
1.0199930955558E+16
Circumference
179008458.33956
Perimeter
113960324
Area
811684715386561
Diagonal
40291058.943308
Surface area
4870108292319366
Volume
2.3124963287825E+22
Space diagonal
49346267.803753
Perimeter
85470243
Area
3.5146979169415E+14
Altitude
24673133.901876
Surface area
3.5146979169415E+14
Volume
2.7253030592518E+21
Height
13430352.981103