20806313 is an odd 8-digits composite number following 20806312
and preceding 20806314 . In scientific notation, it is written as 2.0806313 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 18823200 positive integers (up to 20806313) that are relatively prime to 20806313.
20806313 has 12 divisors, whose sum is 22980804
The reverse of 20806313 is 31360802
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million eight hundred six thousand three hundred thirteen
Scientific notation
2.0806313 × 10^7
Engineering notation
2.0806313 × 10^6
Prime Factorization
11 × 11 × 373 × 461
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1891483
Product of the distinct prime numbers
The prime factorization of 20806313 is 11 × 11 × 373 × 461.
Since it has a total of 4 prime factors.
2 , 8 , 46 , 91 , 767 , 517 , 9846 , 8743 , 36016 , 58162 , 364818 , 162799 , 5500500 , 1649435 , 64659329 , 12546393 , 430158471 , 946932475 , 4067437457 , 7378906095
n×2
41612626
n×3
62418939
n×4
83225252
n×5
104031565
n÷2
10403156.5
n÷3
6935437.6666667
n÷3
5201578.25
n÷5
4161262.6
n2
432902660653969
n3
9.0071082560993E+21
n4
1.8740471360129E+29
n5
3.8992011288637E+36
2 √n
4561.3937562986
3 √n
275.04159370864
4 √n
67.538091150836
5 √n
29.082988093909
1 , 11 , 121 , 373 , 461 , 4103 , 5071 , 45133 , 55781 , 171953 , 1891483 , 20806313
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
-20806312
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 20806313 can be divided by 12 positive divisors.
The sum of these divisors (counting 20806313) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010111101010101001
3
Ternary
1110011001220012
4
Quaternary
1033113222221
5
Quinary
20311300223
6
Senary
2021541305
8
Octal
117275251
10
Decimal
20806313
12
Duodecimal
6b74835
16
Hexadecimal
13d7aa9
20
Vigesimal
6a0ffd
36
Base36
cdy95
md5
6c11c28224c727af6bf8fc367609de27
sha1
8e932d066e0519c06b86c863e64d2699aeadc7c9
sha256
17f66f707b886a27b45546de997b7abc811f013ae332aacafd297df3625df7ca
sha512
0412a82b947d37488bf3daddfc80cea0348a8301fe664b75a4311b42e82b2ee6b8413fcbc40517f26cd66f7f9fb02c0f5897a6cce00ae67d28124c3b6dad39b9
ripemd-160
928019b02f147d6665d34a6dab6070f3b1d3a838
Diameter
41612626
Circumference
130729920.13818
Area
1.36000381843E+15
Volume
3.7728886836599E+22
Surface area
5.4400152737199E+15
Circumference
130729920.13818
Perimeter
83225252
Area
432902660653969
Diagonal
29424570.02758
Surface area
2597415963923814
Volume
9.0071082560993E+21
Space diagonal
36037591.234181
Perimeter
62418939
Area
1.8745235074611E+14
Altitude
18018795.61709
Surface area
1.8745235074611E+14
Volume
1.0614978877949E+21
Height
9808190.0091932