20120209 is an odd 8-digits composite number following 20120208
and preceding 20120210 . In scientific notation, it is written as 2.0120209 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 19471140 positive integers (up to 20120209) that are relatively prime to 20120209.
20120209 has 4 divisors, whose sum is 20769280
The reverse of 20120209 is 90202102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred twenty thousand two hundred nine
Scientific notation
2.0120209 × 10^7
Engineering notation
2.0120209 × 10^6
Prime Factorization
31 × 649039
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20120209
Product of the distinct prime numbers
The prime factorization of 20120209 is 31 × 649039.
Since it has a total of 2 prime factors.
7 , 6 , 98 , 28 , 576 , 126 , 4709 , 7257 , 60504 , 92154 , 266673 , 34641 , 7259627 , 6490037 , 27055059 , 14225383 , 85517265 , 429878232 , 58572062 , 2789908004
n×2
40240418
n×3
60360627
n×4
80480836
n×5
100601045
n÷2
10060104.5
n÷3
6706736.3333333
n÷3
5030052.25
n÷5
4024041.8
n2
404822810203681
n3
8.1451195492654E+21
n4
1.6388150766121E+29
n5
3.2973301853786E+36
2 √n
4485.5555954642
3 √n
271.98450477617
4 √n
66.974290555886
5 √n
28.888600130977
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
-20120208
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 20120209 can be divided by 4 positive divisors.
The sum of these divisors (counting 20120209) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000001010010001
3
Ternary
1101212012201221
4
Quaternary
1030300022101
5
Quinary
20122321314
6
Senary
1555125041
8
Octal
114601221
10
Decimal
20120209
12
Duodecimal
68a3781
16
Hexadecimal
1330291
20
Vigesimal
65f0a9
36
Base36
bz8up
md5
debae5592dee2b236f2c7946176c94e7
sha1
e757d19354f8a1053d193a6261ad4617887c42fe
sha256
cbf15b03fd7433f0b8e55796d598dfc6119dfb9538d057d59e38e98fb0f96341
sha512
c8e5e33aaeb33005abf3e075282ed888d5e7c5990577eb142849f717fac0a6dd656388a4b970eb00cb05d87907ef02bae724f371b9903bc50763866f7c3dc097
ripemd-160
14a3c2d316fc13a3ca285aaa1dd72ce69296eaa1
Diameter
40240418
Circumference
126419001.56618
Area
1.2717883665415E+15
Volume
3.4118196984777E+22
Surface area
5.0871534661658E+15
Circumference
126419001.56618
Perimeter
80480836
Area
404822810203681
Diagonal
28454272.445581
Surface area
2428936861222086
Volume
8.1451195492654E+21
Space diagonal
34849224.246905
Perimeter
60360627
Area
1.752934188339E+14
Altitude
17424612.123452
Surface area
1.752934188339E+14
Volume
9.5991154447678E+20
Height
9484757.4818604