20123806 is an even 8-digits composite number following 20123805
and preceding 20123807 . In scientific notation, it is written as 2.0123806 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 10053840 positive integers (up to 20123806) that are relatively prime to 20123806.
20123806 has 8 divisors, whose sum is 30209904
The reverse of 20123806 is 60832102
Previous prime number is 1543
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred twenty-three thousand eight hundred six
Scientific notation
2.0123806 × 10^7
Engineering notation
2.0123806 × 10^6
Prime Factorization
2 × 1543 × 6521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20123806
Product of the distinct prime numbers
The prime factorization of 20123806 is 2 × 1543 × 6521.
Since it has a total of 3 prime factors.
8 , 7 , 51 , 11 , 217 , 973 , 1618 , 9401 , 58913 , 21733 , 284661 , 701150 , 2329889 , 3243932 , 21862816 , 26086039 , 434869798 , 450402896 , 151176554 , 2318653181
n×2
40247612
n×3
60371418
n×4
80495224
n×5
100619030
n÷2
10061903
n÷3
6707935.3333333
n÷3
5030951.5
n÷5
4024761.2
n2
404967567925636
n3
8.1494887732273E+21
n4
1.639987310716E+29
n5
3.3002786483311E+36
2 √n
4485.9565312205
3 √n
272.00071186377
4 √n
66.977283695448
5 √n
28.889632971786
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123806 can be divided by 8 positive divisors.
The sum of these divisors (counting 20123806) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110001000010011110
3
Ternary
1101212101200011
4
Quaternary
1030301002132
5
Quinary
20122430211
6
Senary
1555153434
8
Octal
114610236
10
Decimal
20123806
12
Duodecimal
68a587a
16
Hexadecimal
133109e
20
Vigesimal
65f9a6
36
Base36
bzbmm
md5
0673f5750adc3c05394ff0aee725c14a
sha1
b4e37c852e1152d945be7f48509ae39ad4e37a85
sha256
cfe45344e1c6dafd9e919afa07e8ec5e42acfe346ccc7b39c5113a4e4991bf79
sha512
181c0e414a4b27f1353120111d02d1bbfa27b63ed8f36404a44d5dd599604dbb8bad805b5632d54670424bdc6af0956c14f13613b4a7faa330d885c825c181ae
ripemd-160
7944dd117668aa1828063561c081394c3cf717e4
Diameter
40247612
Circumference
126441602.18373
Area
1.2722431363373E+15
Volume
3.4136498747311E+22
Surface area
5.0889725453492E+15
Circumference
126441602.18373
Perimeter
80495224
Area
404967567925636
Diagonal
28459359.371765
Surface area
2429805407553816
Volume
8.1494887732273E+21
Space diagonal
34855454.433659
Perimeter
60371418
Area
1.753561007662E+14
Altitude
17427727.21683
Surface area
1.753561007662E+14
Volume
9.6042646245878E+20
Height
9486453.1239217