66698725 is an odd 8-digits composite number following 66698724
and preceding 66698726 . In scientific notation, it is written as 6.6698725 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 53358960 positive integers (up to 66698725) that are relatively prime to 66698725.
66698725 has 4 divisors, whose sum is 69366700
The reverse of 66698725 is 52789666
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-six million six hundred ninety-eight thousand seven hundred twenty-five
Scientific notation
6.6698725 × 10^7
Engineering notation
6.6698725 × 10^6
Prime Factorization
25 × 2667949
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66698725
Product of the distinct prime numbers
The prime factorization of 66698725 is 25 × 2667949.
Since it has a total of 2 prime factors.
5 , 8 , 87 , 47 , 934 , 831 , 1499 , 9002 , 78775 , 16374 , 522742 , 950561 , 7939013 , 461167 , 27732662 , 37869739 , 690899249 , 990859399 , 1788587005 , 8152986880
n×2
133397450
n×3
200096175
n×4
266794900
n×5
333493625
n÷2
33349362.5
n÷3
22232908.333333
n÷3
16674681.25
n÷5
13339745
n2
4448719916625625
n3
2.9672394632104E+23
n4
1.9791108896582E+31
n5
1.3200417297381E+39
2 √n
8166.9287372916
3 √n
405.54511770916
4 √n
90.371061392968
5 √n
36.713307042409
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
-66698724
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 66698725 can be divided by 4 positive divisors.
The sum of these divisors (counting 66698725) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110011011110111100101
3
Ternary
11122111122110011
4
Quaternary
3332123313211
5
Quinary
114033324400
6
Senary
10341330221
8
Octal
376336745
10
Decimal
66698725
12
Duodecimal
1a406971
16
Hexadecimal
3f9bde5
20
Vigesimal
10gh6g5
36
Base36
13pl2d
md5
acced5f6476a5693ff2d3d687df1bc4d
sha1
cec4fd98235213fd613245c75d390c8e5509b3c1
sha256
e7bae781c6cd9be1de4b9237912028a260bf21fcbdcec589c3b0874c0c29eda4
sha512
2f805e23b191608cbe3408cef24e616a923bb67256f0ddace1c7cde9befc095d91a6d1c4f1ff6075682162cc1dde43862a4e5a346a9b1100730b350256e41e72
ripemd-160
9de5ebef0f7878fa747518c2a90df0229c0b8d1d
Diameter
133397450
Circumference
419080448.92761
Area
1.397606580795E+16
Volume
1.2429143598751E+24
Surface area
5.5904263231799E+16
Circumference
419080448.92761
Perimeter
266794900
Area
4448719916625625
Diagonal
94326241.487993
Surface area
26692319499753750
Volume
2.9672394632104E+23
Space diagonal
115525580.50006
Perimeter
200096175
Area
1.9263522310598E+15
Altitude
57762790.250032
Surface area
1.9263522310598E+15
Volume
3.4969252430673E+22
Height
31442080.495998