20409285 is an odd 8-digits composite number following 20409284
and preceding 20409286 . In scientific notation, it is written as 2.0409285 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9824256 positive integers (up to 20409285) that are relatively prime to 20409285.
20409285 has 16 divisors, whose sum is 22391040
The reverse of 20409285 is 58290402
Previous prime number is 169
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred nine thousand two hundred eighty-five
Scientific notation
2.0409285 × 10^7
Engineering notation
2.0409285 × 10^6
Prime Factorization
15 × 83 × 169 × 97
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20409285
Product of the distinct prime numbers
The prime factorization of 20409285 is 15 × 83 × 169 × 97.
Since it has a total of 4 prime factors.
2 , 3 , 69 , 42 , 354 , 983 , 9789 , 5188 , 24134 , 23235 , 559209 , 613662 , 3412250 , 4232751 , 68663418 , 66790258 , 357307673 , 227894523 , 9219800675 , 5656190419
n×2
40818570
n×3
61227855
n×4
81637140
n×5
102046425
n÷2
10204642.5
n÷3
6803095
n÷3
5102321.25
n÷5
4081857
n2
416538914211225
n3
8.5012614137274E+21
n4
1.7350466705227E+29
n5
3.5411061986998E+36
2 √n
4517.6636661
3 √n
273.28089003111
4 √n
67.21356757456
5 √n
28.971138215529
1 , 15 , 83 , 97 , 169 , 1245 , 1455 , 2535 , 8051 , 14027 , 16393 , 120765 , 210405 , 245895 , 1360619 , 20409285
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20409284
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20409285 can be divided by 16 positive divisors.
The sum of these divisors (counting 20409285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110110101111000101
3
Ternary
1102101220021110
4
Quaternary
1031312233011
5
Quinary
20211044120
6
Senary
2005235233
8
Octal
115665705
10
Decimal
20409285
12
Duodecimal
6a02b19
16
Hexadecimal
1376bc5
20
Vigesimal
67b345
36
Base36
c5fwl
md5
badffce6c384e39d29751c4dcf4eff68
sha1
b80cd9b2efb1a4a946974d9142bb06ad67da21ab
sha256
803f63da56cb4009577b539bcfbdbbf330a3d063e85cb56174733f450305d2b4
sha512
4334dde06705adcb38f43018a7900b0cf7ae20a42e131030e09eeb16308251a6ceeb8669b14c59404dc225471ae31da021f4302aa30fadb49995ccf72a4da71b
ripemd-160
7ad9e9eed84d9409232d24f7d96d27e6e07d5a9b
Diameter
40818570
Circumference
128235319.64204
Area
1.3085955928203E+15
Volume
3.561000053815E+22
Surface area
5.234382371281E+15
Circumference
128235319.64204
Perimeter
81637140
Area
416538914211225
Diagonal
28863087.645338
Surface area
2499233485267350
Volume
8.5012614137274E+21
Space diagonal
35349918.566153
Perimeter
61227855
Area
1.8036664068585E+14
Altitude
17674959.283077
Surface area
1.8036664068585E+14
Volume
1.0018832657144E+21
Height
9621029.2151126