20080906 is an even 8-digits composite number following 20080905
and preceding 20080907 . In scientific notation, it is written as 2.0080906 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10040452 positive integers (up to 20080906) that are relatively prime to 20080906.
20080906 has 4 divisors, whose sum is 30121362
The reverse of 20080906 is 60908002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eighty thousand nine hundred six
Scientific notation
2.0080906 × 10^7
Engineering notation
2.0080906 × 10^6
Prime Factorization
2 × 10040453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20080906
Product of the distinct prime numbers
The prime factorization of 20080906 is 2 × 10040453.
Since it has a total of 2 prime factors.
1 , 6 , 72 , 13 , 493 , 877 , 1472 , 3032 , 74006 , 29754 , 817991 , 748587 , 7952701 , 9626267 , 63266360 , 50993123 , 749995221 , 57332930 , 1751606609 , 8138789440
n×2
40161812
n×3
60242718
n×4
80323624
n×5
100404530
n÷2
10040453
n÷3
6693635.3333333
n÷3
5020226.5
n÷5
4016181.2
n2
403242785780836
n3
8.0974804764431E+21
n4
1.6260474428429E+29
n5
3.2652505851268E+36
2 √n
4481.1723912387
3 √n
271.80729033012
4 √n
66.941559522009
5 √n
28.877305050899
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
-20080905
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 20080906 can be divided by 4 positive divisors.
The sum of these divisors (counting 20080906) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100110100100001010
3
Ternary
1101210012211021
4
Quaternary
1030212210022
5
Quinary
20120042111
6
Senary
1554223054
8
Octal
114464412
10
Decimal
20080906
12
Duodecimal
6884a8a
16
Hexadecimal
132690a
20
Vigesimal
65a256
36
Base36
byeiy
md5
57992fb04b995f58488312c498451c43
sha1
e0bb1747901a19ae436b826d77031f84ea8bdc36
sha256
9c6d405da924eea58bf70cb01cd0a9e30a0b300f9eb7179e99abc16ccf9a3f67
sha512
ddaa8172c007db5a7f72074bbd9a2aea6544f73a40625b93fd679b7366ac7c407655f7049f347652f744182e90735d9fdddc8cc09adb11a81df2f59bb8372269
ripemd-160
c7dd1d62dfa8e81228f08466ac062b65fee6ed30
Diameter
40161812
Circumference
126172053.53405
Area
1.2668245734222E+15
Volume
3.3918646903174E+22
Surface area
5.0672982936886E+15
Circumference
126172053.53405
Perimeter
80323624
Area
403242785780836
Diagonal
28398689.609939
Surface area
2419456714685016
Volume
8.0974804764431E+21
Space diagonal
34781149.454015
Perimeter
60242718
Area
1.7460924818951E+14
Altitude
17390574.727007
Surface area
1.7460924818951E+14
Volume
9.542972259031E+20
Height
9466229.8699798