20008 is an even 5-digits composite number following 20007
and preceding 20009 . In scientific notation, it is written as 2.0008 × 10^4.
The sum of its digits is 10. It has a total of 5 prime factors and 16 positive divisors.
There are 9600 positive integers (up to 20008) that are relatively prime to 20008.
20008 has 16 divisors, whose sum is 39060
The reverse of 20008 is 80002
Previous prime number is 41
Is Prime? no
Number parity even
Number length 5
Sum of Digits 10
Digital Root 1
Name
twenty thousand eight
Scientific notation
2.0008 × 10^4
Engineering notation
2.0008 × 10^3
Prime Factorization
2 × 2 × 2 × 41 × 61
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5002
Product of the distinct prime numbers
The prime factorization of 20008 is 2 × 2 × 2 × 41 × 61.
Since it has a total of 5 prime factors.
3 , 6 , 18 , 35 , 969 , 706 , 3276 , 786 , 94827 , 82187 , 239004 , 674690 , 6541785 , 5251516 , 22365216 , 34750314 , 661719806 , 884966895 , 1212019079 , 645983427
n×2
40016
n×3
60024
n×4
80032
n×5
100040
n÷2
10004
n÷3
6669.3333333333
n÷3
5002
n÷5
4001.6
n2
400320064
n3
8009603840512
n4
160256153640964096
n5
3.2064051220484E+21
2 √n
141.4496376807
3 √n
27.147794906982
4 √n
11.893260178803
5 √n
7.2483763677584
1 , 2 , 4 , 8 , 41 , 61 , 82 , 122 , 164 , 244 , 328 , 488 , 2501 , 5002 , 10004 , 20008
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20008 can be divided by 16 positive divisors.
The sum of these divisors (counting 20008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000101000
3
Ternary
1000110001
4
Quaternary
10320220
5
Quinary
1120013
6
Senary
232344
8
Octal
47050
10
Decimal
20008
12
Duodecimal
b6b4
16
Hexadecimal
4e28
20
Vigesimal
2a08
36
Base36
ffs
md5
ac3f1cb73bc8810830788e8c68a03a4a
sha1
28dea5f534c6429f7929cc79fec516e11e657c28
sha256
8ae6698730d03c96c85579a37393ded31deb9300973ede99e6e44729099bcb0d
sha512
7815baf1ace46f74f100cdb0c1b4af895095e6d05bf9b46d21e191a976c53dddfef94d7df55d335a079a0194ec487fa79185065a571cd1160608e4c72cf9b834
ripemd-160
eb56b2917d4a85e6014b81cb4652f409e086cbac
Diameter
40016
Circumference
125713.97162605
Area
1257642572.147
Volume
33550550111356
Surface area
5030570288.588
Circumference
125713.97162605
Perimeter
80032
Area
400320064
Diagonal
28295.584955961
Surface area
2401920384
Volume
8009603840512
Space diagonal
34654.872557838
Perimeter
60024
Area
173343672.53431
Altitude
17327.436278919
Surface area
173343672.53431
Volume
943940865040.64
Height
9431.861651987