66561636 is an even 8-digits composite number following 66561635
and preceding 66561637 . In scientific notation, it is written as 6.6561636 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 20940192 positive integers (up to 66561636) that are relatively prime to 66561636.
66561636 has 24 divisors, whose sum is 118974240
The reverse of 66561636 is 63616566
Previous prime number is 443
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-six million five hundred sixty-one thousand six hundred thirty-six
Scientific notation
6.6561636 × 10^7
Engineering notation
6.6561636 × 10^6
Prime Factorization
2 × 2 × 57 × 443 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33280818
Product of the distinct prime numbers
The prime factorization of 66561636 is 2 × 2 × 57 × 443 × 659.
Since it has a total of 5 prime factors.
5 , 7 , 1 , 60 , 220 , 978 , 477 , 4675 , 20145 , 69891 , 958607 , 889818 , 1526021 , 3844185 , 57625605 , 58126428 , 276882466 , 46175918 , 9695647713 , 1612269753
n×2
133123272
n×3
199684908
n×4
266246544
n×5
332808180
n÷2
33280818
n÷3
22187212
n÷3
16640409
n÷5
13312327.2
n2
4430451386996496
n3
2.9489809253696E+23
n4
1.9628899492539E+31
n5
1.306531663103E+39
2 √n
8158.5314855064
3 √n
405.26708187103
4 √n
90.324589595007
5 √n
36.698202905185
1 , 2 , 4 , 57 , 114 , 228 , 443 , 659 , 886 , 1318 , 1772 , 2636 , 25251 , 37563 , 50502 , 75126 , 101004 , 150252 , 291937 , 583874 , 1167748 , 16640409 , 33280818 , 66561636
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66561635
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66561636 can be divided by 24 positive divisors.
The sum of these divisors (counting 66561636) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111101111010011001100100
3
Ternary
11122020200101210
4
Quaternary
3331322121210
5
Quinary
114014433021
6
Senary
10334351420
8
Octal
375723144
10
Decimal
66561636
12
Duodecimal
1a35b570
16
Hexadecimal
3f7a664
20
Vigesimal
10g041g
36
Base36
13mnac
md5
b369916df159060bd581a8f14bc0a12a
sha1
f78e619c186db922e84cf39b8bc8026e613ee227
sha256
be978abfd43cee90233d88164c6c8184ee20401c22ed997066d7a74724014c68
sha512
1a2663690c8af34a00c78b17b614466bd387bc9c6fb711f979b4822727bc0948169477099700ac55761690d1f739ef2f26d6d4ece66c40f2d41077db05fa8b41
ripemd-160
29d3cb9609aa0b3542b00c9eef5c74c3b9451e2d
Diameter
133123272
Circumference
418219093.33704
Area
1.3918673529475E+16
Volume
1.235266241429E+24
Surface area
5.56746941179E+16
Circumference
418219093.33704
Perimeter
266246544
Area
4430451386996496
Diagonal
94132368.364941
Surface area
26582708321978976
Volume
2.9489809253696E+23
Space diagonal
115288135.38691
Perimeter
199684908
Area
1.9184417256855E+15
Altitude
57644067.693453
Surface area
1.9184417256855E+15
Volume
3.4754073498643E+22
Height
31377456.121647