66811465 is an odd 8-digits composite number following 66811464
and preceding 66811466 . In scientific notation, it is written as 6.6811465 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 44210880 positive integers (up to 66811465) that are relatively prime to 66811465.
66811465 has 32 divisors, whose sum is 94887936
The reverse of 66811465 is 56411866
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-six million eight hundred eleven thousand four hundred sixty-five
Scientific notation
6.6811465 × 10^7
Engineering notation
6.6811465 × 10^6
Prime Factorization
5 × 7 × 43 × 103 × 431
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66811465
Product of the distinct prime numbers
The prime factorization of 66811465 is 5 × 7 × 43 × 103 × 431.
Since it has a total of 5 prime factors.
4 , 8 , 45 , 22 , 730 , 719 , 9366 , 7283 , 46290 , 96091 , 728899 , 732765 , 1221404 , 8342744 , 94435481 , 74437185 , 939379441 , 435949914 , 828893160 , 8007985517
n×2
133622930
n×3
200434395
n×4
267245860
n×5
334057325
n÷2
33405732.5
n÷3
22270488.333333
n÷3
16702866.25
n÷5
13362293
n2
4463771855446225
n3
2.9823113708813E+23
n4
1.9925259177474E+31
n5
1.3312357561517E+39
2 √n
8173.8280505526
3 √n
405.77348499357
4 √n
90.409225472584
5 √n
36.725709865977
1 , 5 , 7 , 35 , 43 , 103 , 215 , 301 , 431 , 515 , 721 , 1505 , 2155 , 3017 , 3605 , 4429 , 15085 , 18533 , 22145 , 31003 , 44393 , 92665 , 129731 , 155015 , 221965 , 310751 , 648655 , 1553755 , 1908899 , 9544495 , 13362293 , 66811465
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66811464
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66811465 can be divided by 32 positive divisors.
The sum of these divisors (counting 66811465) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111110110111011001001001
3
Ternary
11122201101002201
4
Quaternary
3332313121021
5
Quinary
114100431330
6
Senary
10344000201
8
Octal
376673111
10
Decimal
66811465
12
Duodecimal
1a460061
16
Hexadecimal
3fb7649
20
Vigesimal
10hb8d5
36
Base36
13s021
md5
4e5d3a1468f9ef9e7ef5412e62505e74
sha1
6af146c707158ba27de2dedda961ab31019bee17
sha256
a2c7bd38c00ad603f7d465ad03b5e29c31eb95c4a880ddc49c36cfaac001d0d0
sha512
01d8418b34bb6bc1b9ba03144188c7e9bedb237df5eeb90e5e90a9c024b2f609b71bd2e06d08329b0b8bd77cadf038fd2cae6af88c7b8e233add56c9ecb4f0b1
ripemd-160
0fc3a6f922dfabb0c74d2f25d3a57964140e612a
Diameter
133622930
Circumference
419788815.23914
Area
1.4023352868371E+16
Volume
1.2492276657971E+24
Surface area
5.6093411473483E+16
Circumference
419788815.23914
Perimeter
267245860
Area
4463771855446225
Diagonal
94485679.925015
Surface area
26782631132677350
Volume
2.9823113708813E+23
Space diagonal
115720851.90811
Perimeter
200434395
Area
1.9328699117572E+15
Altitude
57860425.954055
Surface area
1.9328699117572E+15
Volume
3.5146876565999E+22
Height
31495226.641672