20406909 is an odd 8-digits composite number following 20406908
and preceding 20406910 . In scientific notation, it is written as 2.0406909 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13580480 positive integers (up to 20406909) that are relatively prime to 20406909.
20406909 has 8 divisors, whose sum is 27257472
The reverse of 20406909 is 90960402
Previous prime number is 593
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred six thousand nine hundred nine
Scientific notation
2.0406909 × 10^7
Engineering notation
2.0406909 × 10^6
Prime Factorization
3 × 593 × 11471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20406909
Product of the distinct prime numbers
The prime factorization of 20406909 is 3 × 593 × 11471.
Since it has a total of 3 prime factors.
1 , 8 , 8 , 7 , 185 , 213 , 6172 , 414 , 5472 , 43180 , 836098 , 407053 , 8362961 , 9084859 , 17548424 , 82200210 , 414538254 , 274981675 , 4111845191 , 3539241540
n×2
40813818
n×3
61220727
n×4
81627636
n×5
102034545
n÷2
10203454.5
n÷3
6802303
n÷3
5101727.25
n÷5
4081381.8
n2
416441934934281
n3
8.4982926699878E+21
n4
1.7342388517181E+29
n5
3.5390454431275E+36
2 √n
4517.4006906627
3 √n
273.27028471767
4 √n
67.211611278578
5 √n
28.970463634032
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
-20406908
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 20406909 can be divided by 8 positive divisors.
The sum of these divisors (counting 20406909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110001001111101
3
Ternary
1102101210000110
4
Quaternary
1031312021331
5
Quinary
20211010114
6
Senary
2005220233
8
Octal
115661175
10
Decimal
20406909
12
Duodecimal
6a01679
16
Hexadecimal
137627d
20
Vigesimal
67ah59
36
Base36
c5e2l
md5
131b954a416d73571bb3f79e67bff5ce
sha1
b61f75d6ab51360693c11f3f49cf3f0cc98105c4
sha256
bb669537dd21a8ad9bbe368eb83818fa839f255cf0375440d70295d3de66b390
sha512
7444fe3ddcb24a7f0ba9369bd58e0ea4d60159863388b5b1aeac9a4d5b3bed9b9a3b9bbe8ac8042697bfe22e0f6abb86f15afa512bbb4cec3225bd8b12e191af
ripemd-160
513605a728eaca986d3d7b43ce01ae43403d80f2
Diameter
40813818
Circumference
128220390.79375
Area
1.3082909234363E+15
Volume
3.5597565093453E+22
Surface area
5.233163693745E+15
Circumference
128220390.79375
Perimeter
81627636
Area
416441934934281
Diagonal
28859727.473914
Surface area
2498651609605686
Volume
8.4982926699878E+21
Space diagonal
35345803.213435
Perimeter
61220727
Area
1.8032464742712E+14
Altitude
17672901.606717
Surface area
1.8032464742712E+14
Volume
1.0015333959094E+21
Height
9619909.1579712