66402018 is an even 8-digits composite number following 66402017
and preceding 66402019 . In scientific notation, it is written as 6.6402018 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 20 positive divisors.
There are 22133952 positive integers (up to 66402018) that are relatively prime to 66402018.
66402018 has 20 divisors, whose sum is 148790070
The reverse of 66402018 is 81020466
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
sixty-six million four hundred two thousand eighteen
Scientific notation
6.6402018 × 10^7
Engineering notation
6.6402018 × 10^6
Prime Factorization
2 × 3 × 9 × 3 × 409889
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
22134006
Product of the distinct prime numbers
The prime factorization of 66402018 is 2 × 3 × 9 × 3 × 409889.
Since it has a total of 5 prime factors.
6 , 9 , 83 , 70 , 314 , 717 , 3390 , 8633 , 30259 , 4385 , 739192 , 788127 , 2530769 , 7364893 , 12047717 , 62889881 , 931967866 , 831135378 , 5911644724 , 3290358041
n×2
132804036
n×3
199206054
n×4
265608072
n×5
332010090
n÷2
33201009
n÷3
22134006
n÷3
16600504.5
n÷5
13280403.6
n2
4409227994472324
n3
2.9278163665506E+23
n4
1.9441291507238E+31
n5
1.2909409886069E+39
2 √n
8148.7433386995
3 √n
404.94287260069
4 √n
90.270390154798
5 √n
36.680585187189
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 81 , 162 , 409889 , 819778 , 1229667 , 2459334 , 3689001 , 7378002 , 11067003 , 22134006 , 33201009 , 66402018
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66402017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66402018 can be divided by 20 positive divisors.
The sum of these divisors (counting 66402018) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111101010011011011100010
3
Ternary
11121221120110000
4
Quaternary
3331103123202
5
Quinary
113444331033
6
Senary
10331120430
8
Octal
375233342
10
Decimal
66402018
12
Duodecimal
1a2a3116
16
Hexadecimal
3f536e2
20
Vigesimal
10f050i
36
Base36
13j84i
md5
1cbd843c7241b4783630ffdfb521aa9d
sha1
1a3e44eb1b89c82cf6db0a6870b9e7dcf6a7f4c5
sha256
a3a0a7380561d62d4752e0f4c5d1014b68cf1023095b8f04c6ffcfca7bdc0a91
sha512
7d7b0e4441da2cd6ede452c39466cc27df08f7b76d7fd02bac96aa091dee82cea01a886d1aa9cca190babb750316793c1f3fdd568f472b56eb8590d9ce74de8d
ripemd-160
4d18ce38391fa705d605f8383a01e59a72e8fdc2
Diameter
132804036
Circumference
417216183.86467
Area
1.3851998275437E+16
Volume
1.226400851762E+24
Surface area
5.5407993101747E+16
Circumference
417216183.86467
Perimeter
265608072
Area
4409227994472324
Diagonal
93906634.424542
Surface area
26455367966833944
Volume
2.9278163665506E+23
Space diagonal
115011668.9011
Perimeter
199206054
Area
1.9092517271453E+15
Altitude
57505834.450552
Surface area
1.9092517271453E+15
Volume
3.4504646780948E+22
Height
31302211.474847