20130209 is an odd 8-digits composite number following 20130208
and preceding 20130210 . In scientific notation, it is written as 2.0130209 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 18118000 positive integers (up to 20130209) that are relatively prime to 20130209.
20130209 has 8 divisors, whose sum is 22178880
The reverse of 20130209 is 90203102
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred thirty thousand two hundred nine
Scientific notation
2.0130209 × 10^7
Engineering notation
2.0130209 × 10^6
Prime Factorization
11 × 101 × 18119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20130209
Product of the distinct prime numbers
The prime factorization of 20130209 is 11 × 101 × 18119.
Since it has a total of 3 prime factors.
9 , 3 , 81 , 100 , 103 , 652 , 6517 , 3445 , 32858 , 6012 , 517873 , 873664 , 6696849 , 7319325 , 85233412 , 72947606 , 649486843 , 623288953 , 7596091268 , 2214018182
n×2
40260418
n×3
60390627
n×4
80520836
n×5
100651045
n÷2
10065104.5
n÷3
6710069.6666667
n÷3
5032552.25
n÷5
4026041.8
n2
405225314383681
n3
8.1572702706342E+21
n4
1.6420755541735E+29
n5
3.3055324099304E+36
2 √n
4486.6701461106
3 √n
272.02955723351
4 √n
66.98261077407
5 √n
28.891471160661
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
-20130208
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 20130209 can be divided by 8 positive divisors.
The sum of these divisors (counting 20130209) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010100110100001
3
Ternary
1101212201110022
4
Quaternary
1030302212201
5
Quinary
20123131314
6
Senary
1555243225
8
Octal
114624641
10
Decimal
20130209
12
Duodecimal
68a9515
16
Hexadecimal
13329a1
20
Vigesimal
65g5a9
36
Base36
bzgkh
md5
1e76ba13188c6d4fb3502666c74e2eb3
sha1
2a72a168fb8f7244ab73e606887eea08b1b6e924
sha256
e3d1151c8ef2aa3e84bf043940981833c5a9e4620cc1f2e456ca0c0be0b9a0da
sha512
551b7b9980a51f2b90e384f9c25748245dd16439db34e447230488b6f50e370a847b1a669531a37a08242a7c6c61b2e0b53653aff5a57a4fd3deabefe4f0113e
ripemd-160
3a9aa1311da63940cf53d53103d6307574a9ae37
Diameter
40260418
Circumference
126481833.41925
Area
1.2730528707164E+15
Volume
3.4169093807428E+22
Surface area
5.0922114828655E+15
Circumference
126481833.41925
Perimeter
80520836
Area
405225314383681
Diagonal
28468414.581205
Surface area
2431351886302086
Volume
8.1572702706342E+21
Space diagonal
34866544.75498
Perimeter
60390627
Area
1.754677082564E+14
Altitude
17433272.37749
Surface area
1.754677082564E+14
Volume
9.6134352072281E+20
Height
9489471.5270683