20705688 is an even 8-digits composite number following 20705687
and preceding 20705689 . In scientific notation, it is written as 2.0705688 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 6901872 positive integers (up to 20705688) that are relatively prime to 20705688.
20705688 has 16 divisors, whose sum is 43137000
The reverse of 20705688 is 88650702
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred five thousand six hundred eighty-eight
Scientific notation
2.0705688 × 10^7
Engineering notation
2.0705688 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 287579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5176422
Product of the distinct prime numbers
The prime factorization of 20705688 is 2 × 2 × 2 × 9 × 287579.
Since it has a total of 5 prime factors.
9 , 5 , 83 , 41 , 376 , 859 , 1159 , 8742 , 35348 , 3123 , 486667 , 275847 , 7575902 , 2858037 , 35937900 , 33856743 , 974764667 , 228047675 , 3923621200 , 7354370234
n×2
41411376
n×3
62117064
n×4
82822752
n×5
103528440
n÷2
10352844
n÷3
6901896
n÷3
5176422
n÷5
4141137.6
n2
428725515553344
n3
8.8770567626867E+21
n4
1.8380556768648E+29
n5
3.8058207371791E+36
2 √n
4550.3503161845
3 √n
274.59748495898
4 √n
67.456284482504
5 √n
29.054802865185
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 287579 , 575158 , 1150316 , 2300632 , 2588211 , 5176422 , 10352844 , 20705688
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
-20705687
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 20705688 can be divided by 16 positive divisors.
The sum of these divisors (counting 20705688) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111111000110011000
3
Ternary
1102221221212100
4
Quaternary
1032333012120
5
Quinary
20300040223
6
Senary
2015443400
8
Octal
116770630
10
Decimal
20705688
12
Duodecimal
6b26560
16
Hexadecimal
13bf198
20
Vigesimal
698448
36
Base36
cbsm0
md5
08850b6162fc5055ce598a1088ec4f98
sha1
1da92ecc4e7b48a5ae07b57ffe8f2019abfd684a
sha256
d125d12f35b1440917baf604e1101d2e4609a9a988291d4439548dd4a55f4bd6
sha512
32fc036d5bd60aea330ebc27e44aff6ecbf87673e173454659f09fa7629c4a012b9784194eb674fbc0595df1f8d6fcda030f52e8487b8df6c1eb2defdc39e6bd
ripemd-160
1a481f3d27af192faa5ed1ae0ff39a94f173c012
Diameter
41411376
Circumference
130097674.61664
Area
1.3468809300689E+15
Volume
3.7184128414875E+22
Surface area
5.3875237202755E+15
Circumference
130097674.61664
Perimeter
82822752
Area
428725515553344
Diagonal
29282264.787866
Surface area
2572353093320064
Volume
8.8770567626867E+21
Space diagonal
35863303.621669
Perimeter
62117064
Area
1.8564359385989E+14
Altitude
17931651.810835
Surface area
1.8564359385989E+14
Volume
1.0461711723123E+21
Height
9760754.9292886