20808888 is an even 8-digits composite number following 20808887
and preceding 20808889 . In scientific notation, it is written as 2.0808888 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors.
There are 6936288 positive integers (up to 20808888) that are relatively prime to 20808888.
20808888 has 16 divisors, whose sum is 52022280
The reverse of 20808888 is 88880802
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million eight hundred eight thousand eight hundred eighty-eight
Scientific notation
2.0808888 × 10^7
Engineering notation
2.0808888 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 867037
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5202222
Product of the distinct prime numbers
The prime factorization of 20808888 is 2 × 2 × 2 × 3 × 867037.
Since it has a total of 5 prime factors.
6 , 3 , 83 , 54 , 1000 , 933 , 9667 , 6268 , 11025 , 7741 , 727925 , 324793 , 3788586 , 2914073 , 36294343 , 20426787 , 374790268 , 923667671 , 133504121 , 5566301859
n×2
41617776
n×3
62426664
n×4
83235552
n×5
104044440
n÷2
10404444
n÷3
6936296
n÷3
5202222
n÷5
4161777.6
n2
433009819796544
n3
9.0104528430465E+21
n4
1.8749750404024E+29
n5
3.9016145618528E+36
2 √n
4561.6760077849
3 √n
275.0529396703
4 √n
67.540180691088
5 √n
29.083707923389
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 867037 , 1734074 , 2601111 , 3468148 , 5202222 , 6936296 , 10404444 , 20808888
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
-20808887
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 20808888 can be divided by 16 positive divisors.
The sum of these divisors (counting 20808888) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111011000010010111000
3
Ternary
1110011012102120
4
Quaternary
1033120102320
5
Quinary
20311341023
6
Senary
2022001240
8
Octal
117302270
10
Decimal
20808888
12
Duodecimal
6b76220
16
Hexadecimal
13d84b8
20
Vigesimal
6a1248
36
Base36
ce08o
md5
737d019d7a41a7816b361b1aab919f7b
sha1
2b60f03db0b1c987206d68dc30f29f76b8f22930
sha256
8eeb6e79d3df0ee6f757d174f7e53641ae6164736af2c3cca601300fa697517b
sha512
fd4ad20982b20dfd694b646cd42e6164af32bd5f2cced9f3ab0951f80e702bf396c52ec17ece3906f86ec68da64a38444da43e4ef6c5fc601a8a882bff19aede
ripemd-160
82e5e33ad3534bcda58656da4123177f763ae788
Diameter
41617776
Circumference
130746099.34035
Area
1.3603404688051E+15
Volume
3.7742896609643E+22
Surface area
5.4413618752203E+15
Circumference
130746099.34035
Perimeter
83235552
Area
433009819796544
Diagonal
29428211.627503
Surface area
2598058918779264
Volume
9.0104528430465E+21
Space diagonal
36042051.26501
Perimeter
62426664
Area
1.8749875201596E+14
Altitude
18021025.632505
Surface area
1.8749875201596E+14
Volume
1.0618920511466E+21
Height
9809403.8758343