20123209 is an odd 8-digits composite number following 20123208
and preceding 20123210 . In scientific notation, it is written as 2.0123209 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20073600 positive integers (up to 20123209) that are relatively prime to 20123209.
20123209 has 4 divisors, whose sum is 20172820
The reverse of 20123209 is 90232102
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred twenty-three thousand two hundred nine
Scientific notation
2.0123209 × 10^7
Engineering notation
2.0123209 × 10^6
Prime Factorization
409 × 49201
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123209
Product of the distinct prime numbers
The prime factorization of 20123209 is 409 × 49201.
Since it has a total of 2 prime factors.
6 , 9 , 89 , 80 , 993 , 445 , 9689 , 2350 , 56940 , 28578 , 298712 , 171210 , 6033175 , 9181275 , 55228648 , 98876521 , 579385265 , 481793088 , 9349394336 , 1839801465
n×2
40246418
n×3
60369627
n×4
80492836
n×5
100616045
n÷2
10061604.5
n÷3
6707736.3333333
n÷3
5030802.25
n÷5
4024641.8
n2
404943540457681
n3
8.1487634978299E+21
n4
1.639792709584E+29
n5
3.2997891411635E+36
2 √n
4485.8899897345
3 √n
271.99802208048
4 √n
66.97678694693
5 √n
28.889461559722
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
-20123208
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 20123209 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123209) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000111001001001
3
Ternary
1101212100212001
4
Quaternary
1030300321021
5
Quinary
20122420314
6
Senary
1555151001
8
Octal
114607111
10
Decimal
20123209
12
Duodecimal
68a5461
16
Hexadecimal
1330e49
20
Vigesimal
65f809
36
Base36
bzb61
md5
6e4e027459b19a1aafcf1575e5290a71
sha1
e269b036e5b8513c327b4d10e3ed0a651be7f2de
sha256
5de78c65a841b76d64b064b5caab072e6fdfca4d58556a8bbc3cf322b850127c
sha512
0b74c076c1757c9412dcc5f0ed41cf275ea5143d0a74df4323b229ff21a49d56feec8ae82a0e76c9bb4dd2db2969bf0e9471463d496f4a4c6bbffffa940f4ac2
ripemd-160
66ad0d9b21d521594632a363558c0477fce6f3e7
Diameter
40246418
Circumference
126437851.1221
Area
1.2721676518205E+15
Volume
3.4133460720831E+22
Surface area
5.088670607282E+15
Circumference
126437851.1221
Perimeter
80492836
Area
404943540457681
Diagonal
28458515.086268
Surface area
2429661242746086
Volume
8.1487634978299E+21
Space diagonal
34854420.399327
Perimeter
60369627
Area
1.7534569656738E+14
Altitude
17427210.199664
Surface area
1.7534569656738E+14
Volume
9.6034098793349E+20
Height
9486171.6954228