66561907 is an odd 8-digits prime number following 66561906
and preceding 66561908 . In scientific notation, it is written as 6.6561907 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 66561906 positive integers (up to 66561907) that are relatively prime to 66561907.
66561907 has 2 divisors, whose sum is 66561908
The reverse of 66561907 is 70916566
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million five hundred sixty-one thousand nine hundred seven
Scientific notation
6.6561907 × 10^7
Engineering notation
6.6561907 × 10^6
Prime Factorization
66561907
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66561907
Product of the distinct prime numbers
The prime factorization of 66561907 is 66561907.
Since it has a total of 1 prime factors.
7 , 7 , 40 , 27 , 559 , 622 , 8505 , 5695 , 88161 , 10973 , 948198 , 46660 , 9518702 , 5374265 , 90189438 , 54669939 , 2593342 , 344209155 , 3462496662 , 6812752199
n×2
133123814
n×3
199685721
n×4
266247628
n×5
332809535
n÷2
33280953.5
n÷3
22187302.333333
n÷3
16640476.75
n÷5
13312381.4
n2
4430487463476649
n3
2.949016945086E+23
n4
1.9629219164024E+31
n5
1.3065582604784E+39
2 √n
8158.5480938706
3 √n
405.26763187369
4 √n
90.324681532074
5 √n
36.698232787854
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66561908
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33280954
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8158.548155156
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999699528
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66561907 can be divided by 2 positive divisors.
The sum of these divisors (counting 66561907) is 66561908, the average is 33280954.
Base
System
Value
2
Binary
11111101111010011101110011
3
Ternary
11122020200202211
4
Quaternary
3331322131303
5
Quinary
114014440112
6
Senary
10334352551
8
Octal
375723563
10
Decimal
66561907
12
Duodecimal
1a35b757
16
Hexadecimal
3f7a773
20
Vigesimal
10g04f7
36
Base36
13mnhv
md5
c44346ec81ae704eba41af04fd609234
sha1
25680e685e8b6aebceb6ac54658d7c20828eaad9
sha256
c049672dea6807cc9061200d2f1b4abaa0a961ca894e92ec0006baf8c551c3b2
sha512
fc11854cb5b7dcbadd9defaab71cdcd810a4ac417807775779ad657bf8c1843de39c2601cdfcdc339f1303bdb1ef3c04fe49f53889be1f5ec6f78dda06357830
ripemd-160
405f53aef6a5285d150374d01d8b8cd602667333
Diameter
133123814
Circumference
418220796.08025
Area
1.391878686708E+16
Volume
1.2352813293325E+24
Surface area
5.567514746832E+16
Circumference
418220796.08025
Perimeter
266247628
Area
4430487463476649
Diagonal
94132751.616817
Surface area
26582924780859894
Volume
2.949016945086E+23
Space diagonal
115288604.77267
Perimeter
199685721
Area
1.9184573472596E+15
Altitude
57644302.386337
Surface area
1.9184573472596E+15
Volume
3.4754497995072E+22
Height
31377583.872272