66561616 is an even 8-digits composite number following 66561615
and preceding 66561617 . In scientific notation, it is written as 6.6561616 × 10^7.
The sum of its digits is 37. It has a total of 7 prime factors and 30 positive divisors.
There are 30254400 positive integers (up to 66561616) that are relatively prime to 66561616.
66561616 has 30 divisors, whose sum is 141756986
The reverse of 66561616 is 61616566
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-six million five hundred sixty-one thousand six hundred sixteen
Scientific notation
6.6561616 × 10^7
Engineering notation
6.6561616 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 11 × 11 × 34381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
756382
Product of the distinct prime numbers
The prime factorization of 66561616 is 2 × 2 × 2 × 2 × 11 × 11 × 34381.
Since it has a total of 7 prime factors.
8 , 3 , 60 , 43 , 644 , 85 , 2326 , 5605 , 1005 , 88301 , 751671 , 118471 , 8683112 , 7464457 , 19388946 , 87848801 , 134283788 , 591223460 , 4381195169 , 2115329053
n×2
133123232
n×3
199684848
n×4
266246464
n×5
332808080
n÷2
33280808
n÷3
22187205.333333
n÷3
16640404
n÷5
13312323.2
n2
4430448724531456
n3
2.9489782670995E+23
n4
1.9628875900702E+31
n5
1.3065297002142E+39
2 √n
8158.5302597956
3 √n
405.26704128037
4 √n
90.324582809972
5 √n
36.698200699818
1 , 2 , 4 , 8 , 11 , 16 , 22 , 44 , 88 , 121 , 176 , 242 , 484 , 968 , 1936 , 34381 , 68762 , 137524 , 275048 , 378191 , 550096 , 756382 , 1512764 , 3025528 , 4160101 , 6051056 , 8320202 , 16640404 , 33280808 , 66561616
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66561615
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66561616 can be divided by 30 positive divisors.
The sum of these divisors (counting 66561616) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
11111101111010011001010000
3
Ternary
11122020200101001
4
Quaternary
3331322121100
5
Quinary
114014432431
6
Senary
10334351344
8
Octal
375723120
10
Decimal
66561616
12
Duodecimal
1a35b554
16
Hexadecimal
3f7a650
20
Vigesimal
10g040g
36
Base36
13mn9s
md5
5bf678059b4d1ef648b541794f536e37
sha1
f4ce7cafc709aee2a4bd5d4465edd7a4173ec823
sha256
bdf1421c53278e8db8820c72c038683a600500cf2fb8bc09464bcf6affd3f8f4
sha512
bec88e9d393dd11e59685b61311bdf6f8477821ac05dfe6aaab79c6cd264115da12806d7755e9f0ad31b8d2dbecc9d867a0e0325bc5ef217d41fafe6972c26e1
ripemd-160
21d3bd04dc7f8cf7554375bd86ca0a558723350a
Diameter
133123232
Circumference
418218967.67333
Area
1.3918665165094E+16
Volume
1.2352651279354E+24
Surface area
5.5674660660377E+16
Circumference
418218967.67333
Perimeter
266246464
Area
4430448724531456
Diagonal
94132340.08067
Surface area
26582692347188736
Volume
2.9489782670995E+23
Space diagonal
115288100.74589
Perimeter
199684848
Area
1.9184405728043E+15
Altitude
57644050.372945
Surface area
1.9184405728043E+15
Volume
3.475404217063E+22
Height
31377446.693557