20808568 is an even 8-digits composite number following 20808567
and preceding 20808569 . In scientific notation, it is written as 2.0808568 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors.
There are 9458400 positive integers (up to 20808568) that are relatively prime to 20808568.
20808568 has 16 divisors, whose sum is 42563160
The reverse of 20808568 is 86580802
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred eight thousand five hundred sixty-eight
Scientific notation
2.0808568 × 10^7
Engineering notation
2.0808568 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 236461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5202142
Product of the distinct prime numbers
The prime factorization of 20808568 is 2 × 2 × 2 × 11 × 236461.
Since it has a total of 5 prime factors.
10 , 9 , 21 , 19 , 20 , 755 , 1704 , 4035 , 73652 , 19014 , 607864 , 731182 , 5545633 , 4640750 , 56323584 , 36474024 , 69115574 , 603162942 , 4172894201 , 5525722768
n×2
41617136
n×3
62425704
n×4
83234272
n×5
104042840
n÷2
10404284
n÷3
6936189.3333333
n÷3
5202142
n÷5
4161713.6
n2
432996502210624
n3
9.0100371600119E+21
n4
1.8748597092663E+29
n5
3.9013145750729E+36
2 √n
4561.6409328223
3 √n
275.05152973765
4 √n
67.539921030619
5 √n
29.083618472729
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 236461 , 472922 , 945844 , 1891688 , 2601071 , 5202142 , 10404284 , 20808568
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
-20808567
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 20808568 can be divided by 16 positive divisors.
The sum of these divisors (counting 20808568) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111011000001101111000
3
Ternary
1110011011222201
4
Quaternary
1033120031320
5
Quinary
20311333233
6
Senary
2021555544
8
Octal
117301570
10
Decimal
20808568
12
Duodecimal
6b75bb4
16
Hexadecimal
13d8378
20
Vigesimal
6a1188
36
Base36
cdzzs
md5
781013d4c7db3f3859b11387643ffcdd
sha1
1764fb5c6d8ac2125832a737df408095bd6abd90
sha256
c0d696e725b13bf176fc5c503cf51e9ccd13921fedbf3beae3564de6bd5e5b8a
sha512
3d35d805a76bc651565bf096d338b9438b2c384a2b1c94073f4c0245abc7ab82a205d7e435e026e3f89eb966abd4c87dc968951967c3c62a006837966e5b9d90
ripemd-160
6a077272f84901d8a918798f1142b6dcd1002051
Diameter
41617136
Circumference
130744088.72105
Area
1.360298630375E+15
Volume
3.7741155400619E+22
Surface area
5.4411945214999E+15
Circumference
130744088.72105
Perimeter
83234272
Area
432996502210624
Diagonal
29427759.079163
Surface area
2597979013263744
Volume
9.0100371600119E+21
Space diagonal
36041497.008752
Perimeter
62425704
Area
1.874929853321E+14
Altitude
18020748.504376
Surface area
1.874929853321E+14
Volume
1.0618430624312E+21
Height
9809253.0263876