66561345 is an odd 8-digits composite number following 66561344
and preceding 66561346 . In scientific notation, it is written as 6.6561345 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 35481888 positive integers (up to 66561345) that are relatively prime to 66561345.
66561345 has 32 divisors, whose sum is 106534400
The reverse of 66561345 is 54316566
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-six million five hundred sixty-one thousand three hundred forty-five
Scientific notation
6.6561345 × 10^7
Engineering notation
6.6561345 × 10^6
Prime Factorization
3 × 15 × 3 × 9 × 27 × 2029
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
22187115
Product of the distinct prime numbers
The prime factorization of 66561345 is 3 × 15 × 3 × 9 × 27 × 2029.
Since it has a total of 6 prime factors.
7 , 10 , 9 , 19 , 385 , 440 , 8000 , 6739 , 5703 , 36155 , 555533 , 928258 , 2011221 , 3940954 , 37080322 , 76000254 , 554228914 , 650550113 , 8488472671 , 9314576903
n×2
133122690
n×3
199684035
n×4
266245380
n×5
332806725
n÷2
33280672.5
n÷3
22187115
n÷3
16640336.25
n÷5
13312269
n2
4430412648209025
n3
2.948942247698E+23
n4
1.9628556233411E+31
n5
1.3065031033039E+39
2 √n
8158.5136513951
3 √n
405.26649127611
4 √n
90.324490872604
5 √n
36.698170817044
1 , 3 , 9 , 15 , 27 , 45 , 81 , 135 , 243 , 405 , 729 , 1215 , 2029 , 2187 , 3645 , 6087 , 10935 , 18261 , 30435 , 32805 , 54783 , 91305 , 164349 , 273915 , 493047 , 821745 , 1479141 , 2465235 , 4437423 , 7395705 , 22187115 , 66561345
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66561344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66561345 can be divided by 32 positive divisors.
The sum of these divisors (counting 66561345) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111101111010010101000001
3
Ternary
11122020200000000
4
Quaternary
3331322111001
5
Quinary
114014430340
6
Senary
10334350213
8
Octal
375722501
10
Decimal
66561345
12
Duodecimal
1a35b369
16
Hexadecimal
3f7a541
20
Vigesimal
10g0375
36
Base36
13mn29
md5
ba33d51127f0d54656e2bdc4fb848245
sha1
add2fdde04b0a87f206566d118635e09a2924d57
sha256
a1d786db5c1fe4a3b6424d46c24d7f574075ca8a77fa52b228cad8062be6fd0b
sha512
957168505e40449725348d3965a2d6266de1e6c9768fd874d1f056ab7bbcac80aa47a3bdfdea2c254eeb563fc2a49a72eaf15fba93cdd7fa6a793fbe48a3441c
ripemd-160
b2c739ee6c659ddfaf4c7b0dbf88c21775ee151e
Diameter
133122690
Circumference
418217264.93011
Area
1.3918551827985E+16
Volume
1.2352500401638E+24
Surface area
5.5674207311939E+16
Circumference
418217264.93011
Perimeter
266245380
Area
4430412648209025
Diagonal
94131956.828795
Surface area
26582475889254150
Volume
2.948942247698E+23
Space diagonal
115287631.36012
Perimeter
199684035
Area
1.9184249512985E+15
Altitude
57643815.68006
Surface area
1.9184249512985E+15
Volume
3.4753617677913E+22
Height
31377318.942932