20685008 is an even 8-digits composite number following 20685007
and preceding 20685009 . In scientific notation, it is written as 2.0685008 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 10 positive divisors.
There are 10342496 positive integers (up to 20685008) that are relatively prime to 20685008.
20685008 has 10 divisors, whose sum is 40077234
The reverse of 20685008 is 80058602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred eighty-five thousand eight
Scientific notation
2.0685008 × 10^7
Engineering notation
2.0685008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1292813
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2585626
Product of the distinct prime numbers
The prime factorization of 20685008 is 2 × 2 × 2 × 2 × 1292813.
Since it has a total of 5 prime factors.
3 , 10 , 55 , 89 , 20 , 363 , 5619 , 9315 , 18233 , 35770 , 896746 , 457613 , 6666561 , 5832586 , 70656247 , 14325053 , 183201637 , 823202445 , 8242565831 , 9810173403
n×2
41370016
n×3
62055024
n×4
82740032
n×5
103425040
n÷2
10342504
n÷3
6895002.6666667
n÷3
5171252
n÷5
4137001.6
n2
427869555960064
n3
8.8504851879904E+21
n4
1.8307235691746E+29
n5
3.7868531674166E+36
2 √n
4548.0773959993
3 √n
274.50603556945
4 √n
67.439435021353
5 √n
29.048996793826
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20685007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20685008 can be divided by 10 positive divisors.
The sum of these divisors (counting 20685008) is 1, the average is 0.1.
Base
System
Value
2
Binary
1001110111010000011010000
3
Ternary
1102220220111102
4
Quaternary
1032322003100
5
Quinary
20243410013
6
Senary
2015203532
8
Octal
116720320
10
Decimal
20685008
12
Duodecimal
6b165a8
16
Hexadecimal
13ba0d0
20
Vigesimal
695ca8
36
Base36
cbcnk
md5
f480773baeb3bac928374c2adf92933c
sha1
6c39a23262bd9fabf5aadbd2ad8219a73e7e0229
sha256
d9655dcd8b9da5f4bfeaecde3915bec9bb4178c980c772c0f9eaa56e50756a2b
sha512
a1ec331db13b82463f770860c268be522c3f7a9d911403f1c2e5db28887eac088d1ee5419d5114973037dbb5420d3baaa65167203273df4f9ab3e3ba23650803
ripemd-160
9cb7f5e148849c1922641364f0dd73f4b9edc4bf
Diameter
41370016
Circumference
129967738.34449
Area
1.3441918536989E+15
Volume
3.7072825663061E+22
Surface area
5.3767674147955E+15
Circumference
129967738.34449
Perimeter
82740032
Area
427869555960064
Diagonal
29253018.851396
Surface area
2567217335760384
Volume
8.8504851879904E+21
Space diagonal
35827484.810969
Perimeter
62055024
Area
1.8527295248369E+14
Altitude
17913742.405484
Surface area
1.8527295248369E+14
Volume
1.0430396822032E+21
Height
9751006.2837987