20686242 is an even 8-digits composite number following 20686241
and preceding 20686243 . In scientific notation, it is written as 2.0686242 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6876912 positive integers (up to 20686242) that are relatively prime to 20686242.
20686242 has 16 divisors, whose sum is 41483520
The reverse of 20686242 is 24268602
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred eighty-six thousand two hundred forty-two
Scientific notation
2.0686242 × 10^7
Engineering notation
2.0686242 × 10^6
Prime Factorization
2 × 3 × 389 × 8863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20686242
Product of the distinct prime numbers
The prime factorization of 20686242 is 2 × 3 × 389 × 8863.
Since it has a total of 4 prime factors.
4 , 7 , 88 , 55 , 920 , 930 , 3230 , 5205 , 73194 , 17212 , 901632 , 419305 , 5520229 , 2753589 , 2202461 , 7477967 , 623826956 , 490709078 , 5614571244 , 9431277512
n×2
41372484
n×3
62058726
n×4
82744968
n×5
103431210
n÷2
10343121
n÷3
6895414
n÷3
5171560.5
n÷5
4137248.4
n2
427920608082564
n3
8.8520692555831E+21
n4
1.8311604682175E+29
n5
3.7879828586381E+36
2 √n
4548.2130556956
3 √n
274.511494172
4 √n
67.440440802946
5 √n
29.049343379205
1 , 2 , 3 , 6 , 389 , 778 , 1167 , 2334 , 8863 , 17726 , 26589 , 53178 , 3447707 , 6895414 , 10343121 , 20686242
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
-20686241
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 20686242 can be divided by 16 positive divisors.
The sum of these divisors (counting 20686242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010010110100010
3
Ternary
1102220222012010
4
Quaternary
1032322112202
5
Quinary
20243424432
6
Senary
2015213350
8
Octal
116722642
10
Decimal
20686242
12
Duodecimal
6b17256
16
Hexadecimal
13ba5a2
20
Vigesimal
695fc2
36
Base36
cbdlu
md5
3233c43eb6bb6ccd270fa9f1f87cef81
sha1
04c5c0dd76be9ecd64a76608db666c0b0e85bbf7
sha256
93ad821593f9ed508816a8fc29632a89c6d290c2e289f8b3888396395db140a9
sha512
91c424bbf8fc2d313ed011f8e3e4d83545df792fbf58e2e8d3b2c28ba04e489a6564082f108f4a8fca0b8283f3f3b87e806d39c96c312bcafd98d6ac5fe5029e
ripemd-160
2cd1f062385adc6d77ccb279c23853ab56a92eb8
Diameter
41372484
Circumference
129975491.79516
Area
1.3443522386719E+15
Volume
3.7079460989877E+22
Surface area
5.3774089546874E+15
Circumference
129975491.79516
Perimeter
82744968
Area
427920608082564
Diagonal
29254763.990932
Surface area
2567523648495384
Volume
8.8520692555831E+21
Space diagonal
35829622.161665
Perimeter
62058726
Area
1.8529505870119E+14
Altitude
17914811.080833
Surface area
1.8529505870119E+14
Volume
1.0432263663593E+21
Height
9751587.9969773