66596721 is an odd 8-digits composite number following 66596720
and preceding 66596722 . In scientific notation, it is written as 6.6596721 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 44397812 positive integers (up to 66596721) that are relatively prime to 66596721.
66596721 has 4 divisors, whose sum is 88795632
The reverse of 66596721 is 12769566
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million five hundred ninety-six thousand seven hundred twenty-one
Scientific notation
6.6596721 × 10^7
Engineering notation
6.6596721 × 10^6
Prime Factorization
3 × 22198907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66596721
Product of the distinct prime numbers
The prime factorization of 66596721 is 3 × 22198907.
Since it has a total of 2 prime factors.
8 , 7 , 39 , 27 , 167 , 306 , 4658 , 6488 , 59278 , 78990 , 951993 , 163978 , 5075436 , 3390311 , 82616787 , 6196374 , 997640351 , 667928216 , 4566103096 , 7218886173
n×2
133193442
n×3
199790163
n×4
266386884
n×5
332983605
n÷2
33298360.5
n÷3
22198907
n÷3
16649180.25
n÷5
13319344.2
n2
4435123247951841
n3
2.9536466554446E+23
n4
1.9670318224523E+31
n5
1.3099786947798E+39
2 √n
8160.681405373
3 √n
405.33827552393
4 √n
90.336489888488
5 √n
36.702070854174
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
-66596720
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 66596721 can be divided by 4 positive divisors.
The sum of these divisors (counting 66596721) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110000010111101110001
3
Ternary
11122022110112020
4
Quaternary
3332002331301
5
Quinary
114022043341
6
Senary
10335222053
8
Octal
376027561
10
Decimal
66596721
12
Duodecimal
1a377929
16
Hexadecimal
3f82f71
20
Vigesimal
10g4bg1
36
Base36
13necx
md5
91f13911261be09f2a843fc0705031e1
sha1
2d9996825ab9d8b96fe8ce8af08c806447751219
sha256
a93398d8c421422f0c58e146c1cb7a2e12be0d7e09eae29214d9d9d9ac7f4168
sha512
4560d8bb436f3c46662e5565d62c14b90d26d4cab3828e9336daaf88b045ed1257678659a96ee98ed1d5a9a04528bc59ef12cb4b74d4193b1aec8d02eb829f2f
ripemd-160
5b4f87f77197c73cfbbf058e70e02309d250d3a4
Diameter
133193442
Circumference
418439538.89354
Area
1.3933350613531E+16
Volume
1.2372206178727E+24
Surface area
5.5733402454123E+16
Circumference
418439538.89354
Perimeter
266386884
Area
4435123247951841
Diagonal
94181986.047777
Surface area
26610739487711046
Volume
2.9536466554446E+23
Space diagonal
115348904.38949
Perimeter
199790163
Area
1.9204647008206E+15
Altitude
57674452.194745
Surface area
1.9204647008206E+15
Volume
3.4809059654898E+22
Height
31393995.349259