20688736 is an even 8-digits composite number following 20688735
and preceding 20688737 . In scientific notation, it is written as 2.0688736 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 12 positive divisors.
There are 10344352 positive integers (up to 20688736) that are relatively prime to 20688736.
20688736 has 12 divisors, whose sum is 40731012
The reverse of 20688736 is 63788602
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million six hundred eighty-eight thousand seven hundred thirty-six
Scientific notation
2.0688736 × 10^7
Engineering notation
2.0688736 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 646523
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1293046
Product of the distinct prime numbers
The prime factorization of 20688736 is 2 × 2 × 2 × 2 × 2 × 646523.
Since it has a total of 6 prime factors.
8 , 7 , 38 , 66 , 265 , 504 , 2356 , 9231 , 16776 , 5045 , 205976 , 603438 , 537886 , 2193447 , 20461502 , 77526496 , 829799386 , 694713148 , 34638851 , 7596459882
n×2
41377472
n×3
62066208
n×4
82754944
n×5
103443680
n÷2
10344368
n÷3
6896245.3333333
n÷3
5172184
n÷5
4137747.2
n2
428023797277696
n3
8.8552713435958E+21
n4
1.8320437103602E+29
n5
3.7902668664102E+36
2 √n
4548.4872210439
3 √n
274.52252572547
4 √n
67.442473420271
5 √n
29.050043801918
1 , 2 , 4 , 8 , 16 , 32 , 646523 , 1293046 , 2586092 , 5172184 , 10344368 , 20688736
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20688735
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688736 can be divided by 12 positive divisors.
The sum of these divisors (counting 20688736) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110111010111101100000
3
Ternary
1102221002121111
4
Quaternary
1032322331200
5
Quinary
20244014421
6
Senary
2015233104
8
Octal
116727540
10
Decimal
20688736
12
Duodecimal
6b18794
16
Hexadecimal
13baf60
20
Vigesimal
6961gg
36
Base36
cbfj4
md5
bfe27e20d2256cf43aa8143b94229418
sha1
e4687a212e6251d8cd738f4cc6542e294332f461
sha256
49910bdcdb5b8912acdf0d1b57147162faf2e46166cd7fd452dc98fcd72fdf88
sha512
60f01ffaf76da57fa715aee8839b8a3a5cb167f74e5b5d3815457222a9aa6102b111a5ea53277239e6fe897e0a9df7642dd3dc67a9e9f4344f52244b31048532
ripemd-160
c01a392a20deb04e2013e5f117e66a4db6b8376b
Diameter
41377472
Circumference
129991162.05932
Area
1.3446764170892E+15
Volume
3.709287386478E+22
Surface area
5.3787056683569E+15
Circumference
129991162.05932
Perimeter
82754944
Area
428023797277696
Diagonal
29258291.039556
Surface area
2568142783666176
Volume
8.8552713435958E+21
Space diagonal
35833941.896379
Perimeter
62066208
Area
1.8533974093338E+14
Altitude
17916970.94819
Surface area
1.8533974093338E+14
Volume
1.0436037360506E+21
Height
9752763.6798522