408020809 is an odd 9-digits composite number following 408020808
and preceding 408020810 . In scientific notation, it is written as 4.08020809 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 349732116 positive integers (up to 408020809) that are relatively prime to 408020809.
408020809 has 4 divisors, whose sum is 466309504
The reverse of 408020809 is 908020804
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
four hundred eight million twenty thousand eight hundred nine
Scientific notation
4.08020809 × 10^8
Engineering notation
4.08020809 × 10^6
Prime Factorization
7 × 58288687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
408020809
Product of the distinct prime numbers
The prime factorization of 408020809 is 7 × 58288687.
Since it has a total of 2 prime factors.
7 , 7 , 44 , 5 , 861 , 885 , 406 , 8190 , 93781 , 34631 , 475037 , 783637 , 2072419 , 4675876 , 37107999 , 53908926 , 807612253 , 351272781 , 4904652153 , 3344605893
n×2
816041618
n×3
1224062427
n×4
1632083236
n×5
2040104045
n÷2
204010404.5
n÷3
136006936.33333
n÷3
102005202.25
n÷5
81604161.8
n2
166480980577014481
n3
6.7927704378147E+25
n4
2.7715916893884E+34
n5
1.1308670833219E+43
2 √n
20199.524969662
3 √n
741.69856290604
4 √n
142.1250328748
5 √n
52.739555181041
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
-408020808
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 408020809 can be divided by 4 positive divisors.
The sum of these divisors (counting 408020809) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000010100011110011101001001
3
Ternary
1001102202121022211
4
Quaternary
120110132131021
5
Quinary
1313423131214
6
Senary
104253145121
8
Octal
3024363511
10
Decimal
408020809
12
Duodecimal
b478b1a1
16
Hexadecimal
1851e749
20
Vigesimal
67a2c09
36
Base36
6qxavd
md5
533b418cdf0ad12ed4c27c77a4f86365
sha1
da2e96a96c61450146d643742531f6d855a08996
sha256
834c772f7534871618e6daa1d50da785a8184618a4c6b74dd5d7738c2109b81b
sha512
854973b4e104a5d8b1150c7b6d5e4084ece30d3c85d6f6b54c20a800b4c27921067f04755afe797062ed11e7da84362a2d569d3ae5eab51998a2e87ff0e47dff
ripemd-160
2b1771ea0b594024e7aee1c0bf6e497a3ae1ebb9
Diameter
816041618
Circumference
2563670352.1323
Area
5.2301542554317E+17
Volume
2.8453490273281E+26
Surface area
2.0920617021727E+18
Circumference
2563670352.1323
Perimeter
1632083236
Area
166480980577014481
Diagonal
577028561.81824
Surface area
998885883462086886
Volume
6.7927704378147E+25
Space diagonal
706712771.73336
Perimeter
1224062427
Area
7.2088379213319E+16
Altitude
353356385.86668
Surface area
7.2088379213319E+16
Volume
8.0053567327038E+24
Height
192342853.93941