20689908 is an even 8-digits composite number following 20689907
and preceding 20689909 . In scientific notation, it is written as 2.0689908 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 6813216 positive integers (up to 20689908) that are relatively prime to 20689908.
20689908 has 24 divisors, whose sum is 48860448
The reverse of 20689908 is 80998602
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million six hundred eighty-nine thousand nine hundred eight
Scientific notation
2.0689908 × 10^7
Engineering notation
2.0689908 × 10^6
Prime Factorization
2 × 2 × 3 × 83 × 20773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10344954
Product of the distinct prime numbers
The prime factorization of 20689908 is 2 × 2 × 3 × 83 × 20773.
Since it has a total of 5 prime factors.
1 , 5 , 64 , 24 , 534 , 557 , 2940 , 8400 , 97665 , 29106 , 485964 , 708151 , 1780817 , 1287931 , 66007658 , 40891230 , 784556941 , 835554555 , 6629750401 , 5094944031
n×2
41379816
n×3
62069724
n×4
82759632
n×5
103449540
n÷2
10344954
n÷3
6896636
n÷3
5172477
n÷5
4137981.6
n2
428072293048464
n3
8.8567763605218E+21
n4
1.8324588807577E+29
n5
3.791340565666E+36
2 √n
4548.6160532628
3 √n
274.52770945323
4 √n
67.443428540242
5 √n
29.050372926712
1 , 2 , 3 , 4 , 6 , 12 , 83 , 166 , 249 , 332 , 498 , 996 , 20773 , 41546 , 62319 , 83092 , 124638 , 249276 , 1724159 , 3448318 , 5172477 , 6896636 , 10344954 , 20689908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20689907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20689908 can be divided by 24 positive divisors.
The sum of these divisors (counting 20689908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110111011001111110100
3
Ternary
1102221011012220
4
Quaternary
1032323033310
5
Quinary
20244034113
6
Senary
2015242340
8
Octal
116731764
10
Decimal
20689908
12
Duodecimal
6b193b0
16
Hexadecimal
13bb3f4
20
Vigesimal
6964f8
36
Base36
cbgfo
md5
27dc8453a685249350a804138df69b07
sha1
41edbc8397dbd31c9066254c394adfa54536aa2a
sha256
6b376e6aadf217f2365650decd3d5ec011f98172d1e063a3a970511c946ede66
sha512
a0633bb81c7d00b44b20029879d7ab7837f0a298e3590f4a83bb147d41bf0a9b70a500e0ed9992e5f4a18d4a7da67652bc6408a8be0cd0088027211f6677a428
ripemd-160
29af64f6024b9e9709bf81b01d872cdb3b636154
Diameter
41379816
Circumference
129998525.9525
Area
1.3448287710464E+15
Volume
3.7099178064937E+22
Surface area
5.3793150841856E+15
Circumference
129998525.9525
Perimeter
82759632
Area
428072293048464
Diagonal
29259948.497852
Surface area
2568433758290784
Volume
8.8567763605218E+21
Space diagonal
35835971.859926
Perimeter
62069724
Area
1.8536074021811E+14
Altitude
17917985.929963
Surface area
1.8536074021811E+14
Volume
1.0437811039963E+21
Height
9753316.1659505