66886947 is an odd 8-digits composite number following 66886946
and preceding 66886948 . In scientific notation, it is written as 6.6886947 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 44149200 positive integers (up to 66886947) that are relatively prime to 66886947.
66886947 has 8 divisors, whose sum is 75055680
The reverse of 66886947 is 74968866
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million eight hundred eighty-six thousand nine hundred forty-seven
Scientific notation
6.6886947 × 10^7
Engineering notation
6.6886947 × 10^6
Prime Factorization
9 × 101 × 73583
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66886947
Product of the distinct prime numbers
The prime factorization of 66886947 is 9 × 101 × 73583.
Since it has a total of 3 prime factors.
10 , 6 , 62 , 65 , 365 , 323 , 1615 , 5795 , 39536 , 48594 , 475436 , 732631 , 8505902 , 7398906 , 67648862 , 37166082 , 868638647 , 399705899 , 6199838966 , 4998382019
n×2
133773894
n×3
200660841
n×4
267547788
n×5
334434735
n÷2
33443473.5
n÷3
22295649
n÷3
16721736.75
n÷5
13377389.4
n2
4473863678980809
n3
2.9924308278121E+23
n4
2.0015456218104E+31
n5
1.3387727592411E+39
2 √n
8178.4440451714
3 √n
405.92623855138
4 √n
90.434750207934
5 √n
36.734004484651
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66886946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66886947 can be divided by 8 positive divisors.
The sum of these divisors (counting 66886947) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001001110100100011
3
Ternary
11122212012122100
4
Quaternary
3333021310203
5
Quinary
114110340242
6
Senary
10345341443
8
Octal
377116443
10
Decimal
66886947
12
Duodecimal
1a497883
16
Hexadecimal
3fc9d23
20
Vigesimal
10i0h77
36
Base36
13tmar
md5
89b2716a763de7cc95bf0af421ee2d01
sha1
66bda185024954f1c05d9719f27c3c71c32643ff
sha256
4c8854db965b776c6c1cd633f56cea74f41f2d29520663ad96476428a9b0c909
sha512
54f41dd57b6c0e864bafcc4eecf20bbebaadd2f07f3bc61f8b5e663e8253d2ebc00e5619cf37d4403a548229420f8f0bdffd8f451dcf8c8233bbd95df21d1712
ripemd-160
53b849837afce2f35dc3159d92751f0f3adfd680
Diameter
133773894
Circumference
420263082.6325
Area
1.4055057267048E+16
Volume
1.253466494004E+24
Surface area
5.6220229068193E+16
Circumference
420263082.6325
Perimeter
267547788
Area
4473863678980809
Diagonal
94592427.59313
Surface area
26843182073884854
Volume
2.9924308278121E+23
Space diagonal
115851590.56717
Perimeter
200660841
Area
1.9372397995329E+15
Altitude
57925795.283583
Surface area
1.9372397995329E+15
Volume
3.5266135509627E+22
Height
31530809.19771