28580081 is an odd 8-digits composite number following 28580080
and preceding 28580082 . In scientific notation, it is written as 2.8580081 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 28422000 positive integers (up to 28580081) that are relatively prime to 28580081.
28580081 has 4 divisors, whose sum is 28738164
The reverse of 28580081 is 18008582
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million five hundred eighty thousand eighty-one
Scientific notation
2.8580081 × 10^7
Engineering notation
2.8580081 × 10^6
Prime Factorization
181 × 157901
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28580081
Product of the distinct prime numbers
The prime factorization of 28580081 is 181 × 157901.
Since it has a total of 2 prime factors.
3 , 10 , 20 , 13 , 895 , 865 , 8436 , 4339 , 49210 , 52682 , 153686 , 400361 , 8707499 , 6712546 , 13038204 , 79735270 , 197005206 , 788558220 , 4880586420 , 8287908796
n×2
57160162
n×3
85740243
n×4
114320324
n×5
142900405
n÷2
14290040.5
n÷3
9526693.6666667
n÷3
7145020.25
n÷5
5716016.2
n2
816821029966561
n3
2.3344811198948E+22
n4
6.6719659499563E+29
n5
1.9068532727899E+37
2 √n
5346.034137564
3 √n
305.74156558574
4 √n
73.116579088221
5 √n
30.989365985878
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
-28580080
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 28580081 can be divided by 4 positive divisors.
The sum of these divisors (counting 28580081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101000001100011110001
3
Ternary
1222210000111112
4
Quaternary
1231001203301
5
Quinary
24304030311
6
Senary
2500323105
8
Octal
155014361
10
Decimal
28580081
12
Duodecimal
96a3495
16
Hexadecimal
1b418f1
20
Vigesimal
8ica41
36
Base36
h0kj5
md5
d0a830682029fbb8f759925358c4b11c
sha1
241c482ccd5def0aace723b078e74ec1127cad6a
sha256
50471a2c5068de183e6772d7a9cf551876154c5a7522f28a0e640e0b9c2b3346
sha512
40177be26fd7982d36dd8a7b18feedf117c5311e4a77e40c7dd4594201da6459d9a36c853364ede8894868dfd263eb4cf05c39b5551f592351c8932a2b2d7216
ripemd-160
52d1f139e34e0334669e8d97a15b2f4dd801e92e
Diameter
57160162
Circumference
179573945.0172
Area
2.5661189470406E+15
Volume
9.778651648274E+22
Surface area
1.0264475788162E+16
Circumference
179573945.0172
Perimeter
114320324
Area
816821029966561
Diagonal
40418338.163922
Surface area
4900926179799366
Volume
2.3344811198948E+22
Space diagonal
49502152.376434
Perimeter
85740243
Area
3.5369388114821E+14
Altitude
24751076.188217
Surface area
3.5369388114821E+14
Volume
2.7512123840493E+21
Height
13472779.387974