285008 is an even 6-digits composite number following 285007
and preceding 285009 . In scientific notation, it is written as 2.85008 × 10^5.
The sum of its digits is 23. It has a total of 6 prime factors and 20 positive divisors.
There are 139104 positive integers (up to 285008) that are relatively prime to 285008.
285008 has 20 divisors, whose sum is 565440
The reverse of 285008 is 800582
Previous prime number is 47
Is Prime? no
Number parity even
Number length 6
Sum of Digits 23
Digital Root 5
Name
two hundred eighty-five thousand eight
Scientific notation
2.85008 × 10^5
Engineering notation
2.85008 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 47 × 379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
35626
Product of the distinct prime numbers
The prime factorization of 285008 is 2 × 2 × 2 × 2 × 47 × 379.
Since it has a total of 6 prime factors.
4 , 5 , 35 , 29 , 789 , 422 , 8092 , 1579 , 59191 , 41489 , 609051 , 89249 , 7346193 , 2010981 , 83563333 , 6934276 , 107861947 , 863677966 , 2490211532 , 7402500559
n×2
570016
n×3
855024
n×4
1140032
n×5
1425040
n÷2
142504
n÷3
95002.666666667
n÷3
71252
n÷5
57001.6
n2
81229560064
n3
23151074454720512
n4
6.598241428191E+21
n5
1.8805515929659E+27
2 √n
533.86140523548
3 √n
65.809059398172
4 √n
23.105441030967
5 √n
12.33023659808
1 , 2 , 4 , 8 , 16 , 47 , 94 , 188 , 376 , 379 , 752 , 758 , 1516 , 3032 , 6064 , 17813 , 35626 , 71252 , 142504 , 285008
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-285007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 285008 can be divided by 20 positive divisors.
The sum of these divisors (counting 285008) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000101100101010000
3
Ternary
112110221212
4
Quaternary
1011211100
5
Quinary
33110013
6
Senary
10035252
8
Octal
1054520
10
Decimal
285008
12
Duodecimal
118b28
16
Hexadecimal
45950
20
Vigesimal
1fca8
36
Base36
63ww
md5
cf00433f46628414464f5632727b722f
sha1
58ffc3228f169d62e4b24aa678531b608a6c2d8d
sha256
79648b3b1791b464cc6fa274eb4be5af55590ba2032b7811a31cb571dc09cbd8
sha512
3d7fd474cd494c8e7bbc7ab3fd8916651a890d597a36931293b15aa70adbf7151e1fb606f96fc0805b9f3d411139318f5f6bbdb88571bb306c3e1c15ec78536c
ripemd-160
7028afbaef6c5294dd7169a3e3ec0fff46adfad2
Diameter
570016
Circumference
1790758.0780286
Area
255190189151.39
Volume
9.6974993906214E+16
Surface area
1020760756605.6
Circumference
1790758.0780286
Perimeter
1140032
Area
81229560064
Diagonal
403062.17898483
Surface area
487377360384
Volume
23151074454720512
Space diagonal
493648.33656359
Perimeter
855024
Area
35173431276.829
Altitude
246824.1682818
Surface area
35173431276.829
Volume
2.7283802897813E+15
Height
134354.05966161