66808216 is an even 8-digits composite number following 66808215
and preceding 66808217 . In scientific notation, it is written as 6.6808216 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors.
There are 33233760 positive integers (up to 66808216) that are relatively prime to 66808216.
66808216 has 16 divisors, whose sum is 125904240
The reverse of 66808216 is 61280866
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-six million eight hundred eight thousand two hundred sixteen
Scientific notation
6.6808216 × 10^7
Engineering notation
6.6808216 × 10^6
Prime Factorization
2 × 2 × 2 × 197 × 42391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16702054
Product of the distinct prime numbers
The prime factorization of 66808216 is 2 × 2 × 2 × 197 × 42391.
Since it has a total of 5 prime factors.
2 , 9 , 66 , 44 , 724 , 37 , 3542 , 6818 , 6356 , 7050 , 541445 , 295721 , 4074616 , 5302631 , 46341319 , 87823960 , 530500760 , 567679361 , 4134694382 , 7078103847
n×2
133616432
n×3
200424648
n×4
267232864
n×5
334041080
n÷2
33404108
n÷3
22269405.333333
n÷3
16702054
n÷5
13361643.2
n2
4463337725102656
n3
2.9818763081961E+23
n4
1.9921383648325E+31
n5
1.3309121017961E+39
2 √n
8173.6293040485
3 √n
405.76690738286
4 √n
90.408126316435
5 √n
36.725352669342
1 , 2 , 4 , 8 , 197 , 394 , 788 , 1576 , 42391 , 84782 , 169564 , 339128 , 8351027 , 16702054 , 33404108 , 66808216
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
-66808215
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 66808216 can be divided by 16 positive divisors.
The sum of these divisors (counting 66808216) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111110110110100110011000
3
Ternary
11122201012122101
4
Quaternary
3332312212120
5
Quinary
114100330331
6
Senary
10343533144
8
Octal
376664630
10
Decimal
66808216
12
Duodecimal
1a45a1b4
16
Hexadecimal
3fb6998
20
Vigesimal
10hb0ag
36
Base36
13rxjs
md5
d6ec67dfce79da55c23436962e7b7cd1
sha1
cb097a80259f77be56a60e85f7fa1e11dfa9f6c7
sha256
7a5992b82650424d7e97156f93c2f038c1bf5fc08fd3b786e640add5ccd552c0
sha512
b7a7f146b5fa9f9dd684d2aa2e01a6f149b17dbeca828ce15e98b1c84dbe7e260e67ce358d8242f313f6e6fa5df2036113d1f7d191684c18ba2774c79083e95a
ripemd-160
bdf01762cc00ced86e2fb44dc0c7943d1f1fdfe7
Diameter
133616432
Circumference
419768401.17008
Area
1.4021989007673E+16
Volume
1.2490454271656E+24
Surface area
5.6087956030691E+16
Circumference
419768401.17008
Perimeter
267232864
Area
4463337725102656
Diagonal
94481085.145151
Surface area
26780026350615936
Volume
2.9818763081961E+23
Space diagonal
115715224.47504
Perimeter
200424648
Area
1.9326819278042E+15
Altitude
57857612.237518
Surface area
1.9326819278042E+15
Volume
3.5141749303082E+22
Height
31493695.048384