66561663 is an odd 8-digits composite number following 66561662
and preceding 66561664 . In scientific notation, it is written as 6.6561663 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 38035224 positive integers (up to 66561663) that are relatively prime to 66561663.
66561663 has 4 divisors, whose sum is 69731288
The reverse of 66561663 is 36616566
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-six million five hundred sixty-one thousand six hundred sixty-three
Scientific notation
6.6561663 × 10^7
Engineering notation
6.6561663 × 10^6
Prime Factorization
21 × 3169603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66561663
Product of the distinct prime numbers
The prime factorization of 66561663 is 21 × 3169603.
Since it has a total of 2 prime factors.
10 , 10 , 51 , 25 , 209 , 97 , 9398 , 4745 , 8079 , 57269 , 36633 , 151002 , 2537268 , 5999331 , 35112834 , 58127811 , 471059567 , 243535170 , 4809562351 , 5011729744
n×2
133123326
n×3
199684989
n×4
266246652
n×5
332808315
n÷2
33280831.5
n÷3
22187221
n÷3
16640415.75
n÷5
13312332.6
n2
4430454981325569
n3
2.9489845140366E+23
n4
1.9628931341553E+31
n5
1.3065343130066E+39
2 √n
8158.5331402158
3 √n
405.26713666841
4 √n
90.324598754801
5 √n
36.698205882429
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
-66561662
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 66561663 can be divided by 4 positive divisors.
The sum of these divisors (counting 66561663) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111101111010011001111111
3
Ternary
11122020200102210
4
Quaternary
3331322121333
5
Quinary
114014433123
6
Senary
10334351503
8
Octal
375723177
10
Decimal
66561663
12
Duodecimal
1a35b593
16
Hexadecimal
3f7a67f
20
Vigesimal
10g0433
36
Base36
13mnb3
md5
5c5026ffdf37530435a535b3470130b9
sha1
a818af4b8117b25740faf98b66bd35e92ab99b06
sha256
091f93277e8e34d084665e56807aa601106c7161229b61c8917dd06842a62e99
sha512
5b7cbbaf34a74c7bd98fc8ad7839c44c949f3040519a5bf71de6fe00bee2593d651dafa9a1ec1ef33ea03da15dcb77254ddb58f3fd555ec9b0bcf8193a469f4d
ripemd-160
9f5b42612dcc2a7f2905f68f4157025df82e1184
Diameter
133123326
Circumference
418219262.98304
Area
1.3918684821393E+16
Volume
1.2352677446463E+24
Surface area
5.5674739285571E+16
Circumference
418219262.98304
Perimeter
266246652
Area
4430454981325569
Diagonal
94132406.548707
Surface area
26582729887953414
Volume
2.9489845140366E+23
Space diagonal
115288182.15228
Perimeter
199684989
Area
1.9184432820756E+15
Altitude
57644091.076139
Surface area
1.9184432820756E+15
Volume
3.475411579149E+22
Height
31377468.849569