20689213 is an odd 8-digits composite number following 20689212
and preceding 20689214 . In scientific notation, it is written as 2.0689213 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 19789660 positive integers (up to 20689213) that are relatively prime to 20689213.
20689213 has 4 divisors, whose sum is 21588768
The reverse of 20689213 is 31298602
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million six hundred eighty-nine thousand two hundred thirteen
Scientific notation
2.0689213 × 10^7
Engineering notation
2.0689213 × 10^6
Prime Factorization
23 × 899531
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20689213
Product of the distinct prime numbers
The prime factorization of 20689213 is 23 × 899531.
Since it has a total of 2 prime factors.
2 , 4 , 41 , 72 , 823 , 395 , 2230 , 6291 , 8961 , 15672 , 565712 , 437153 , 1434582 , 1091873 , 67252363 , 97282423 , 838404547 , 495350605 , 9675996143 , 4459454739
n×2
41378426
n×3
62067639
n×4
82756852
n×5
103446065
n÷2
10344606.5
n÷3
6896404.3333333
n÷3
5172303.25
n÷5
4137842.6
n2
428043534559369
n3
8.8558838597716E+21
n4
1.8322126747808E+29
n5
3.7907038289839E+36
2 √n
4548.5396557577
3 √n
274.5246355086
4 √n
67.442862155736
5 √n
29.050177756386
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20689212
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20689213 can be divided by 4 positive divisors.
The sum of these divisors (counting 20689213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111011000100111101
3
Ternary
1102221010021011
4
Quaternary
1032323010331
5
Quinary
20244023323
6
Senary
2015235221
8
Octal
116730475
10
Decimal
20689213
12
Duodecimal
6b18b11
16
Hexadecimal
13bb13d
20
Vigesimal
69630d
36
Base36
cbfwd
md5
2942527ed4c80f5a00d665773c258769
sha1
c4cdcc240bf743a718202a916a3533dc621596c2
sha256
629207e9ddfeddaca98b7c42a82a0f3db216477f7bc859f3e3958d3bb9df857b
sha512
8f1479449a56dd18a6a8c252fedd4417d35cff9744b2aa2221ae2e213e3ce860046b1091da37f4c84621870a5f97af73872ecf2ec5ce8d170cb5f56b49dbbf31
ripemd-160
b06aa7baccc35a53509bcd8465ac3f3732e13ec1
Diameter
41378426
Circumference
129994159.13871
Area
1.3447384235883E+15
Volume
3.7095439566537E+22
Surface area
5.3789536943533E+15
Circumference
129994159.13871
Perimeter
82756852
Area
428043534559369
Diagonal
29258965.619426
Surface area
2568261207356214
Volume
8.8558838597716E+21
Space diagonal
35834768.084615
Perimeter
62067639
Area
1.8534828742705E+14
Altitude
17917384.042307
Surface area
1.8534828742705E+14
Volume
1.0436759217742E+21
Height
9752988.5398086