66400545 is an odd 8-digits composite number following 66400544
and preceding 66400546 . In scientific notation, it is written as 6.6400545 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 35359104 positive integers (up to 66400545) that are relatively prime to 66400545.
66400545 has 16 divisors, whose sum is 106404480
The reverse of 66400545 is 54500466
Previous prime number is 727
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
sixty-six million four hundred thousand five hundred forty-five
Scientific notation
6.6400545 × 10^7
Engineering notation
6.6400545 × 10^6
Prime Factorization
3 × 5 × 727 × 6089
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66400545
Product of the distinct prime numbers
The prime factorization of 66400545 is 3 × 5 × 727 × 6089.
Since it has a total of 4 prime factors.
3 , 7 , 58 , 69 , 185 , 133 , 5178 , 7248 , 39212 , 28194 , 784550 , 887747 , 3054266 , 2724277 , 85765755 , 47503089 , 307262160 , 753667301 , 3244514005 , 6482127307
n×2
132801090
n×3
199201635
n×4
265602180
n×5
332002725
n÷2
33200272.5
n÷3
22133515
n÷3
16600136.25
n÷5
13280109
n2
4409032376297025
n3
2.9276215270877E+23
n4
1.9439566495235E+31
n5
1.2907978098474E+39
2 √n
8148.652956164
3 √n
404.93987828777
4 √n
90.269889532246
5 √n
36.680422448215
1 , 3 , 5 , 15 , 727 , 2181 , 3635 , 6089 , 10905 , 18267 , 30445 , 91335 , 4426703 , 13280109 , 22133515 , 66400545
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
-66400544
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 66400545 can be divided by 16 positive divisors.
The sum of these divisors (counting 66400545) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101010011000100100001
3
Ternary
11121221111102110
4
Quaternary
3331103010201
5
Quinary
113444304140
6
Senary
10331105533
8
Octal
375230441
10
Decimal
66400545
12
Duodecimal
1a2a22a9
16
Hexadecimal
3f53121
20
Vigesimal
10f0175
36
Base36
13j6zl
md5
89007356c43cb5ef78e6bd081280eb3b
sha1
51c768a7e4957e4fe20228e99b6d9eb2855867eb
sha256
3a9bb57c7d7f309c39e2c1049ba3dc6c4d4de21edb9ea8ef7ac062c78446f7fa
sha512
5c48e49e3314138f9362cd0f16460b8d877eddaf91fe7bd09a94e848e741c3cae2c534967dabfb6caa00316968a3fa1d9434eeb269602373c49cd3ce9831f95e
ripemd-160
a5dd28f7ba6672e9e418ac04eb25774619c01660
Diameter
132801090
Circumference
417206928.73272
Area
1.3851383722814E+16
Volume
1.2263192375987E+24
Surface area
5.5405534891257E+16
Circumference
417206928.73272
Perimeter
265602180
Area
4409032376297025
Diagonal
93904551.287965
Surface area
26454194257782150
Volume
2.9276215270877E+23
Space diagonal
115009117.59026
Perimeter
199201635
Area
1.9091670219906E+15
Altitude
57504558.795132
Surface area
1.9091670219906E+15
Volume
3.4502350575857E+22
Height
31301517.095988