20204909 is an odd 8-digits composite number following 20204908
and preceding 20204910 . In scientific notation, it is written as 2.0204909 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 19508160 positive integers (up to 20204909) that are relatively prime to 20204909.
20204909 has 4 divisors, whose sum is 20901660
The reverse of 20204909 is 90940202
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million two hundred four thousand nine hundred nine
Scientific notation
2.0204909 × 10^7
Engineering notation
2.0204909 × 10^6
Prime Factorization
29 × 696721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20204909
Product of the distinct prime numbers
The prime factorization of 20204909 is 29 × 696721.
Since it has a total of 2 prime factors.
5 , 8 , 81 , 31 , 541 , 316 , 2978 , 988 , 26914 , 88170 , 370635 , 181865 , 9863919 , 7307458 , 49334338 , 72703055 , 236300946 , 543139102 , 4510942330 , 3688871385
n×2
40409818
n×3
60614727
n×4
80819636
n×5
101024545
n÷2
10102454.5
n÷3
6734969.6666667
n÷3
5051227.25
n÷5
4040981.8
n2
408238347698281
n3
8.2484186655541E+21
n4
1.6665854853142E+29
n5
3.3673208071495E+36
2 √n
4494.9870967557
3 √n
272.36562799666
4 √n
67.044664938798
5 √n
28.912881733454
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
-20204908
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 20204909 can be divided by 4 positive divisors.
The sum of these divisors (counting 20204909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000100110101101101
3
Ternary
1102000111220222
4
Quaternary
1031010311231
5
Quinary
20133024114
6
Senary
2001021125
8
Octal
115046555
10
Decimal
20204909
12
Duodecimal
69247a5
16
Hexadecimal
1344d6d
20
Vigesimal
665c59
36
Base36
c127h
md5
e072c397a47606a7517676945eebffe1
sha1
aca8d42a5347952b71add92e91b0e0fbb2f72ddf
sha256
cc0fd439648e5c3bf8d5793df75dc3b7a6722b66bf1fc2e65b1e71f4401393ad
sha512
da08d3a780c771a209d229f1516bcaa85ff6001a224b40347b2077aa1dc82c67189cb5381aaa3bb3e914f01232bbab66f86d50e2a06e5402532e54a58d108213
ripemd-160
dfc0e2b30aced5836c8e362476eead1194b82b5b
Diameter
40409818
Circumference
126951187.3617
Area
1.2825185940426E+15
Volume
3.455089531125E+22
Surface area
5.1300743761702E+15
Circumference
126951187.3617
Perimeter
80819636
Area
408238347698281
Diagonal
28574056.334314
Surface area
2449430086189686
Volume
8.2484186655541E+21
Space diagonal
34995928.950306
Perimeter
60614727
Area
1.7677238995285E+14
Altitude
17497964.475153
Surface area
1.7677238995285E+14
Volume
9.7208546207984E+20
Height
9524685.4447714