66561684 is an even 8-digits composite number following 66561683
and preceding 66561685 . In scientific notation, it is written as 6.6561684 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 18786528 positive integers (up to 66561684) that are relatively prime to 66561684.
66561684 has 24 divisors, whose sum is 155594208
The reverse of 66561684 is 48616566
Previous prime number is 581
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million five hundred sixty-one thousand six hundred eighty-four
Scientific notation
6.6561684 × 10^7
Engineering notation
6.6561684 × 10^6
Prime Factorization
2 × 2 × 3 × 581 × 9547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33280842
Product of the distinct prime numbers
The prime factorization of 66561684 is 2 × 2 × 3 × 581 × 9547.
Since it has a total of 5 prime factors.
9 , 9 , 87 , 12 , 823 , 156 , 4133 , 2628 , 57703 , 1491 , 812428 , 815503 , 4311397 , 8474640 , 27398875 , 94919707 , 968455280 , 699879159 , 1445820872 , 5797525529
n×2
133123368
n×3
199685052
n×4
266246736
n×5
332808420
n÷2
33280842
n÷3
22187228
n÷3
16640421
n÷5
13312336.8
n2
4430457776915856
n3
2.9489873052242E+23
n4
1.9628956113034E+31
n5
1.3065363740456E+39
2 √n
8158.5344272118
3 √n
405.26717928858
4 √n
90.324605879084
5 √n
36.698208198063
1 , 2 , 3 , 4 , 6 , 12 , 581 , 1162 , 1743 , 2324 , 3486 , 6972 , 9547 , 19094 , 28641 , 38188 , 57282 , 114564 , 5546807 , 11093614 , 16640421 , 22187228 , 33280842 , 66561684
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66561683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66561684 can be divided by 24 positive divisors.
The sum of these divisors (counting 66561684) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111101111010011010010100
3
Ternary
11122020200110120
4
Quaternary
3331322122110
5
Quinary
114014433214
6
Senary
10334351540
8
Octal
375723224
10
Decimal
66561684
12
Duodecimal
1a35b5b0
16
Hexadecimal
3f7a694
20
Vigesimal
10g0444
36
Base36
13mnbo
md5
2fcf2d88ed3575666e7dcda4f3f60275
sha1
82104f1509fb84661a1f8f0f692a0fa2697edb54
sha256
0bab0beb6c5af7a0ec4eb781527ba5896f05f739c5d3e21282852fe048959f58
sha512
675ce5bedf4b0344c9681b23e01503627461997843ffe5b3aedbf929243b2414d23be9a20308804af4bd82eaee976cc3dc6614bc60d345ffb258a00d4f7ff8a2
ripemd-160
832f9482b13a479b6f3bbe59b93cb2d5ec91b756
Diameter
133123368
Circumference
418219394.92993
Area
1.3918693603999E+16
Volume
1.2352689138162E+24
Surface area
5.5674774415994E+16
Circumference
418219394.92993
Perimeter
266246736
Area
4430457776915856
Diagonal
94132436.247192
Surface area
26582746661495136
Volume
2.9489873052242E+23
Space diagonal
115288218.52534
Perimeter
199685052
Area
1.9184444926017E+15
Altitude
57644109.262672
Surface area
1.9184444926017E+15
Volume
3.4754148685951E+22
Height
31377478.749064