20409918 is an even 8-digits composite number following 20409917
and preceding 20409919 . In scientific notation, it is written as 2.0409918 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6785856 positive integers (up to 20409918) that are relatively prime to 20409918.
20409918 has 16 divisors, whose sum is 40924560
The reverse of 20409918 is 81990402
Previous prime number is 409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million four hundred nine thousand nine hundred eighteen
Scientific notation
2.0409918 × 10^7
Engineering notation
2.0409918 × 10^6
Prime Factorization
2 × 3 × 409 × 8317
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20409918
Product of the distinct prime numbers
The prime factorization of 20409918 is 2 × 3 × 409 × 8317.
Since it has a total of 4 prime factors.
3 , 5 , 75 , 37 , 231 , 271 , 5390 , 4389 , 95423 , 74963 , 113741 , 191924 , 9469064 , 8495560 , 97625926 , 69704180 , 768819785 , 734549784 , 2773028688 , 7732182672
n×2
40819836
n×3
61229754
n×4
81639672
n×5
102049590
n÷2
10204959
n÷3
6803306
n÷3
5102479.5
n÷5
4081983.6
n2
416564752766724
n3
8.5020524456591E+21
n4
1.735261932476E+29
n5
3.5416553750357E+36
2 √n
4517.733723893
3 √n
273.28371529773
4 √n
67.21408873066
5 √n
28.97131792298
1 , 2 , 3 , 6 , 409 , 818 , 1227 , 2454 , 8317 , 16634 , 24951 , 49902 , 3401653 , 6803306 , 10204959 , 20409918
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
-20409917
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 20409918 can be divided by 16 positive divisors.
The sum of these divisors (counting 20409918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110110111000111110
3
Ternary
1102101221010220
4
Quaternary
1031312320332
5
Quinary
20211104133
6
Senary
2005242210
8
Octal
115667076
10
Decimal
20409918
12
Duodecimal
6a03366
16
Hexadecimal
1376e3e
20
Vigesimal
67b4fi
36
Base36
c5ge6
md5
9a40d9c90bacf989caf3bdbca4afbf3f
sha1
fc17fd1d43f26a440d9214c405ae9e4a9287b485
sha256
8a7250e1eeaba988e20bd0f447a9f2f17fac5a2a72dbf0a47e07bb9a8166fedb
sha512
a77c8f6a13ce5833d6f99c30323834d7e322dc35dd317e762b6dfb91da656f7a24dd1ef40b8b713b9933b90cbc69c2bff00883cb078fd2976b11edc8c1daf7fe
ripemd-160
e001bcb14621bacb1d0336e908b34bb28aa3715c
Diameter
40819836
Circumference
128239296.89834
Area
1.3086767670364E+15
Volume
3.5613314004957E+22
Surface area
5.2347070681456E+15
Circumference
128239296.89834
Perimeter
81639672
Area
416564752766724
Diagonal
28863982.842523
Surface area
2499388516600344
Volume
8.5020524456591E+21
Space diagonal
35351014.954315
Perimeter
61229754
Area
1.8037782910858E+14
Altitude
17675507.477157
Surface area
1.8037782910858E+14
Volume
1.0019764897215E+21
Height
9621327.6141743