66561009 is an odd 8-digits composite number following 66561008
and preceding 66561010 . In scientific notation, it is written as 6.6561009 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 41443920 positive integers (up to 66561009) that are relatively prime to 66561009.
66561009 has 16 divisors, whose sum is 94740480
The reverse of 66561009 is 90016566
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-six million five hundred sixty-one thousand nine
Scientific notation
6.6561009 × 10^7
Engineering notation
6.6561009 × 10^6
Prime Factorization
3 × 19 × 71 × 16447
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66561009
Product of the distinct prime numbers
The prime factorization of 66561009 is 3 × 19 × 71 × 16447.
Since it has a total of 4 prime factors.
8 , 5 , 8 , 30 , 964 , 260 , 9372 , 2456 , 20520 , 60480 , 964363 , 640283 , 2355889 , 7093447 , 13495061 , 34761408 , 43073219 , 406704715 , 5089606514 , 6478912584
n×2
133122018
n×3
199683027
n×4
266244036
n×5
332805045
n÷2
33280504.5
n÷3
22187003
n÷3
16640252.25
n÷5
13312201.8
n2
4430367919098081
n3
2.948897589364E+23
n4
1.9628159898573E+31
n5
1.3064701276624E+39
2 √n
8158.493059383
3 √n
405.26580934993
4 √n
90.324376883447
5 √n
36.69813376668
1 , 3 , 19 , 57 , 71 , 213 , 1349 , 4047 , 16447 , 49341 , 312493 , 937479 , 1167737 , 3503211 , 22187003 , 66561009
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66561008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66561009 can be divided by 16 positive divisors.
The sum of these divisors (counting 66561009) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101111010001111110001
3
Ternary
11122020122112120
4
Quaternary
3331322033301
5
Quinary
114014423014
6
Senary
10334344453
8
Octal
375721761
10
Decimal
66561009
12
Duodecimal
1a35b129
16
Hexadecimal
3f7a3f1
20
Vigesimal
10g02a9
36
Base36
13mmsx
md5
6b07f5df4c6a8185140282befa82430a
sha1
867389a74e84edd240c4fa26393833a73c702110
sha256
5f5152b677e6471fbf7105a8e14f6ca0a58443e3a609ee67d17bcc39311cff9b
sha512
0882e1f1deb2c6cd8373ed27cd5eebe2707cec37b57e48dfcada168045e9a8434de61ca6dfa28cbc072bded55925a266f9f02dd67ca138dc4cd9b69446c76c61
ripemd-160
31a281c537999c3c36fc1aede09bb0ce1e17927f
Diameter
133122018
Circumference
418215153.77985
Area
1.3918411307338E+16
Volume
1.2352313337246E+24
Surface area
5.5673645229354E+16
Circumference
418215153.77985
Perimeter
266244036
Area
4430367919098081
Diagonal
94131481.653038
Surface area
26582207514588486
Volume
2.948897589364E+23
Space diagonal
115287049.39105
Perimeter
199683027
Area
1.9184055830253E+15
Altitude
57643524.695525
Surface area
1.9184055830253E+15
Volume
3.4753091374399E+22
Height
31377160.551013