66408065 is an odd 8-digits composite number following 66408064
and preceding 66408066 . In scientific notation, it is written as 6.6408065 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 53126448 positive integers (up to 66408065) that are relatively prime to 66408065.
66408065 has 4 divisors, whose sum is 79689684
The reverse of 66408065 is 56080466
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
sixty-six million four hundred eight thousand sixty-five
Scientific notation
6.6408065 × 10^7
Engineering notation
6.6408065 × 10^6
Prime Factorization
5 × 13281613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66408065
Product of the distinct prime numbers
The prime factorization of 66408065 is 5 × 13281613.
Since it has a total of 2 prime factors.
4 , 2 , 62 , 9 , 591 , 658 , 6282 , 5460 , 24572 , 64662 , 101149 , 908204 , 7101287 , 7509381 , 37157260 , 84088851 , 920350725 , 815265912 , 9790773217 , 3573173409
n×2
132816130
n×3
199224195
n×4
265632260
n×5
332040325
n÷2
33204032.5
n÷3
22136021.666667
n÷3
16602016.25
n÷5
13281613
n2
4410031097044225
n3
2.9286163174453E+23
n4
1.9448374276897E+31
n5
1.2915289031245E+39
2 √n
8149.1143690588
3 √n
404.95516447222
4 √n
90.272445236953
5 √n
36.681253237427
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
-66408064
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 66408065 can be divided by 4 positive divisors.
The sum of these divisors (counting 66408065) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111101010100111010000001
3
Ternary
11121221212201222
4
Quaternary
3331110322001
5
Quinary
114000024230
6
Senary
10331204425
8
Octal
375247201
10
Decimal
66408065
12
Duodecimal
1a2a6715
16
Hexadecimal
3f54e81
20
Vigesimal
10f1035
36
Base36
13jcsh
md5
5eb8bf3e52380e53e6d74d35d71134a7
sha1
26559ae8f7913c57fa1780d66bc5e21aa9371425
sha256
d480a87a317ab6dd432ef93f3da9dacdee0a3be44a30aef9e54a3b995caa5198
sha512
83c1f0d2b5ea54ef5ff6cc09965e9bd48fbe5d83a5f554a9569181ca3f21d4b05f5329f9e570258fac913cff843249cd1d367b08543cd97e35881eb9c7d88073
ripemd-160
15d70b0af4feceae76cd911b398aff071bd2a143
Diameter
132816130
Circumference
417254178.28623
Area
1.3854521296577E+16
Volume
1.2267359344093E+24
Surface area
5.5418085186307E+16
Circumference
417254178.28623
Perimeter
265632260
Area
4410031097044225
Diagonal
93915186.173954
Surface area
26460186582265350
Volume
2.9286163174453E+23
Space diagonal
115022142.61234
Perimeter
199224195
Area
1.9095994807598E+15
Altitude
57511071.306168
Surface area
1.9095994807598E+15
Volume
3.4514074292653E+22
Height
31305062.057985