20015209 is an odd 8-digits composite number following 20015208
and preceding 20015210 . In scientific notation, it is written as 2.0015209 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 19968340 positive integers (up to 20015209) that are relatively prime to 20015209.
20015209 has 4 divisors, whose sum is 20062080
The reverse of 20015209 is 90251002
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million fifteen thousand two hundred nine
Scientific notation
2.0015209 × 10^7
Engineering notation
2.0015209 × 10^6
Prime Factorization
431 × 46439
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20015209
Product of the distinct prime numbers
The prime factorization of 20015209 is 431 × 46439.
Since it has a total of 2 prime factors.
3 , 3 , 6 , 61 , 763 , 562 , 9026 , 8104 , 12498 , 39328 , 606383 , 803516 , 1503723 , 6120934 , 72778904 , 63286420 , 372573228 , 413301654 , 4429622935 , 4582024230
n×2
40030418
n×3
60045627
n×4
80060836
n×5
100076045
n÷2
10007604.5
n÷3
6671736.3333333
n÷3
5003802.25
n÷5
4003041.8
n2
400608591313681
n3
8.0182646823389E+21
n4
1.6048724343433E+29
n5
3.212185719172E+36
2 √n
4473.8360497452
3 √n
271.51055018824
4 √n
66.886740462854
5 √n
28.858385188462
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
-20015208
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 20015209 can be divided by 4 positive divisors.
The sum of these divisors (counting 20015209) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010110100001101001
3
Ternary
1101122212201001
4
Quaternary
1030112201221
5
Quinary
20110441314
6
Senary
1552555001
8
Octal
114264151
10
Decimal
20015209
12
Duodecimal
6852a61
16
Hexadecimal
1316869
20
Vigesimal
651i09
36
Base36
bwzu1
md5
d41029adf40e8602d7e70ba5908074cd
sha1
1e4768f42a8ba23253c063269bb2f20a67af081e
sha256
2579953f307fbfb9cf519d17ee8a6a8262675190b3e5d9e888f07d9c158ca235
sha512
c7b1a5c6079bd0d02743211debbafd0a5c092f0a8fdc02b6c2c8ced3ed7acd9c8564fd78e625fdb4eaf2689bf837cf72e9e7ac64836b287843a9f89ae05738c7
ripemd-160
0b467403ce76c9d217d8cab39ba5678ef0ae35f0
Diameter
40030418
Circumference
125759267.10893
Area
1.258549007436E+15
Volume
3.3586828560766E+22
Surface area
5.0341960297441E+15
Circumference
125759267.10893
Perimeter
80060836
Area
400608591313681
Diagonal
28305780.021532
Surface area
2403651547882086
Volume
8.0182646823389E+21
Space diagonal
34667358.91211
Perimeter
60045627
Area
1.7346860852597E+14
Altitude
17333679.456055
Surface area
1.7346860852597E+14
Volume
9.4496155503841E+20
Height
9435260.0071773