66561568 is an even 8-digits composite number following 66561567
and preceding 66561569 . In scientific notation, it is written as 6.6561568 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 12 positive divisors.
There are 33280768 positive integers (up to 66561568) that are relatively prime to 66561568.
66561568 has 12 divisors, whose sum is 131043150
The reverse of 66561568 is 86516566
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-six million five hundred sixty-one thousand five hundred sixty-eight
Scientific notation
6.6561568 × 10^7
Engineering notation
6.6561568 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2080049
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4160098
Product of the distinct prime numbers
The prime factorization of 66561568 is 2 × 2 × 2 × 2 × 2 × 2080049.
Since it has a total of 6 prime factors.
9 , 4 , 18 , 57 , 338 , 713 , 2309 , 2777 , 25750 , 45024 , 551617 , 296864 , 3989739 , 4644012 , 38775413 , 37820691 , 114803735 , 170465849 , 3082455521 , 371081027
n×2
133123136
n×3
199684704
n×4
266246272
n×5
332807840
n÷2
33280784
n÷3
22187189.333333
n÷3
16640392
n÷5
13312313.6
n2
4430442334618624
n3
2.948971887258E+23
n4
1.9628819280381E+31
n5
1.3065249892908E+39
2 √n
8158.5273180887
3 √n
405.26694386275
4 √n
90.324566525883
5 √n
36.698195406935
1 , 2 , 4 , 8 , 16 , 32 , 2080049 , 4160098 , 8320196 , 16640392 , 33280784 , 66561568
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66561567
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66561568 can be divided by 12 positive divisors.
The sum of these divisors (counting 66561568) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111101111010011000100000
3
Ternary
11122020200022021
4
Quaternary
3331322120200
5
Quinary
114014432233
6
Senary
10334351224
8
Octal
375723040
10
Decimal
66561568
12
Duodecimal
1a35b514
16
Hexadecimal
3f7a620
20
Vigesimal
10g03i8
36
Base36
13mn8g
md5
5eaf27e911ae27b824a676e1e66cf593
sha1
c4e48d002cffbe401e1a9d82afe9a17761082bbc
sha256
336e7c474f98bfc86d6e88f91fd8d8ebabd9f956921dfc621313c9c2dc4330db
sha512
4849e5e487edd1076f53b3c9df1bdeb71ff2e3fea57ee48a2e60447a4c8d9d151e630391fcde22ee09cd1a0cf7356ea1a4937a80981ba1dbc363214d756e0f36
ripemd-160
14fc0aa46aed608f16ad60b54df8f867f0a821a3
Diameter
133123136
Circumference
418218666.08043
Area
1.3918645090591E+16
Volume
1.2352624555537E+24
Surface area
5.5674580362364E+16
Circumference
418218666.08043
Perimeter
266246272
Area
4430442334618624
Diagonal
94132272.198419
Surface area
26582654007711744
Volume
2.948971887258E+23
Space diagonal
115288017.60745
Perimeter
199684704
Area
1.9184378058909E+15
Altitude
57644008.803725
Surface area
1.9184378058909E+15
Volume
3.4753966983477E+22
Height
31377424.06614