20409518 is an even 8-digits composite number following 20409517
and preceding 20409519 . In scientific notation, it is written as 2.0409518 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10060960 positive integers (up to 20409518) that are relatively prime to 20409518.
20409518 has 8 divisors, whose sum is 31045680
The reverse of 20409518 is 81590402
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred nine thousand five hundred eighteen
Scientific notation
2.0409518 × 10^7
Engineering notation
2.0409518 × 10^6
Prime Factorization
2 × 71 × 143729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20409518
Product of the distinct prime numbers
The prime factorization of 20409518 is 2 × 71 × 143729.
Since it has a total of 3 prime factors.
9 , 9 , 44 , 82 , 124 , 623 , 2763 , 9470 , 50379 , 22495 , 268466 , 285106 , 5753510 , 8452539 , 32218201 , 54760052 , 777067558 , 709496821 , 6315304901 , 6782263184
n×2
40819036
n×3
61228554
n×4
81638072
n×5
102047590
n÷2
10204759
n÷3
6803172.6666667
n÷3
5102379.5
n÷5
4081903.6
n2
416548424992324
n3
8.5015525777525E+21
n4
1.7351259036359E+29
n5
3.5413083362522E+36
2 √n
4517.689453692
3 √n
273.28192998596
4 √n
67.21375940752
5 √n
28.971204364288
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
-20409517
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 20409518 can be divided by 8 positive divisors.
The sum of these divisors (counting 20409518) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110110010101110
3
Ternary
1102101220121002
4
Quaternary
1031312302232
5
Quinary
20211101033
6
Senary
2005240302
8
Octal
115666256
10
Decimal
20409518
12
Duodecimal
6a03092
16
Hexadecimal
1376cae
20
Vigesimal
67b3fi
36
Base36
c5g32
md5
2e8583c120a28487c985573d99c197da
sha1
3cd074ab61d4558b44f1595c7b25b757e385dc91
sha256
632b01f56c7354bfb2f4c60429187e0248fff8b51fe53c8191ff74149c2a3ebb
sha512
f2ee90591f7875cfa71d8e571343d79d23531c443477d51c4fc9a4b9092495519dd5d2dbe034e5fdcf56b002aab5c7346234f8c8f586703ed893ca88ed32c978
ripemd-160
1262285dfd2f13e505876953e533630916314929
Diameter
40819036
Circumference
128236783.62422
Area
1.3086254718203E+15
Volume
3.5611220163166E+22
Surface area
5.2345018872811E+15
Circumference
128236783.62422
Perimeter
81638072
Area
416548424992324
Diagonal
28863417.157098
Surface area
2499290549953944
Volume
8.5015525777525E+21
Space diagonal
35350322.133992
Perimeter
61228554
Area
1.8037075897487E+14
Altitude
17675161.066996
Surface area
1.8037075897487E+14
Volume
1.0019175797238E+21
Height
9621139.0523659