20686984 is an even 8-digits composite number following 20686983
and preceding 20686985 . In scientific notation, it is written as 2.0686984 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 10330320 positive integers (up to 20686984) that are relatively prime to 20686984.
20686984 has 16 divisors, whose sum is 38837520
The reverse of 20686984 is 48968602
Previous prime number is 1291
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million six hundred eighty-six thousand nine hundred eighty-four
Scientific notation
2.0686984 × 10^7
Engineering notation
2.0686984 × 10^6
Prime Factorization
2 × 2 × 2 × 1291 × 2003
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5171746
Product of the distinct prime numbers
The prime factorization of 20686984 is 2 × 2 × 2 × 1291 × 2003.
Since it has a total of 5 prime factors.
9 , 1 , 47 , 43 , 32 , 182 , 1114 , 6435 , 4416 , 4475 , 565098 , 663764 , 2422519 , 6526443 , 16296475 , 79361500 , 179121810 , 867117295 , 766960421 , 7270790116
n×2
41373968
n×3
62060952
n×4
82747936
n×5
103434920
n÷2
10343492
n÷3
6895661.3333333
n÷3
5171746
n÷5
4137396.8
n2
427951307016256
n3
8.8530218410244E+21
n4
1.8314232117692E+29
n5
3.7886622679098E+36
2 √n
4548.2946254613
3 √n
274.51477630662
4 √n
67.441045554331
5 √n
29.049551771851
1 , 2 , 4 , 8 , 1291 , 2003 , 2582 , 4006 , 5164 , 8012 , 10328 , 16024 , 2585873 , 5171746 , 10343492 , 20686984
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
-20686983
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 20686984 can be divided by 16 positive divisors.
The sum of these divisors (counting 20686984) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010100010001000
3
Ternary
1102221000012121
4
Quaternary
1032322202020
5
Quinary
20243440414
6
Senary
2015221024
8
Octal
116724210
10
Decimal
20686984
12
Duodecimal
6b17774
16
Hexadecimal
13ba888
20
Vigesimal
695h94
36
Base36
cbe6g
md5
b97c0bad17ffc060d96d757aca3c61d3
sha1
8ffdade06b406ea762a719afc873faac3a623217
sha256
d79164ff6c169cc1e74d995bc61d093ab85a37d3f2e2b35e2ef948af0223a388
sha512
3124d1ea4c3811764813b958316702b19b080a14974683f0a345c72efe461787102d427548df763b1b500d5574176be7b9bda523f65ad323af5941f336d253e8
ripemd-160
9df436d0e10e3bc085966d2c8fd82f4d4c8a5e7f
Diameter
41373968
Circumference
129980153.91866
Area
1.3444486822164E+15
Volume
3.7083451170443E+22
Surface area
5.3777947288657E+15
Circumference
129980153.91866
Perimeter
82747936
Area
427951307016256
Diagonal
29255813.337395
Surface area
2567707842097536
Volume
8.8530218410244E+21
Space diagonal
35830907.343364
Perimeter
62060952
Area
1.8530835172942E+14
Altitude
17915453.671682
Surface area
1.8530835172942E+14
Volume
1.0433386296302E+21
Height
9751937.7791317