66704781 is an odd 8-digits composite number following 66704780
and preceding 66704782 . In scientific notation, it is written as 6.6704781 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 36691200 positive integers (up to 66704781) that are relatively prime to 66704781.
66704781 has 8 divisors, whose sum is 67983000
The reverse of 66704781 is 18740766
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-six million seven hundred four thousand seven hundred eighty-one
Scientific notation
6.6704781 × 10^7
Engineering notation
6.6704781 × 10^6
Prime Factorization
429 × 61 × 2549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66704781
Product of the distinct prime numbers
The prime factorization of 66704781 is 429 × 61 × 2549.
Since it has a total of 3 prime factors.
4 , 3 , 53 , 62 , 758 , 914 , 7446 , 8632 , 53393 , 99930 , 212842 , 385544 , 1203782 , 7944447 , 38047589 , 69736515 , 580439534 , 429227392 , 7347917168 , 5027881651
n×2
133409562
n×3
200114343
n×4
266819124
n×5
333523905
n÷2
33352390.5
n÷3
22234927
n÷3
16676195.25
n÷5
13340956.2
n2
4449527808257961
n3
2.9680477800326E+23
n4
1.9798297716461E+31
n5
1.3206411133493E+39
2 √n
8167.2994924883
3 √n
405.55739134161
4 √n
90.373112663493
5 √n
36.713973704966
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
-66704780
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 66704781 can be divided by 8 positive divisors.
The sum of these divisors (counting 66704781) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111110011101010110001101
3
Ternary
11122111221202110
4
Quaternary
3332131112031
5
Quinary
114034023111
6
Senary
10341414233
8
Octal
376352615
10
Decimal
66704781
12
Duodecimal
1a40a379
16
Hexadecimal
3f9d58d
20
Vigesimal
10gi1j1
36
Base36
13ppql
md5
eda89150bedc52fd92b3ca2ab8a86ec1
sha1
db1e506d4b18cb1c02384d13f4039920520c69d0
sha256
ee4f0346a578ba82e40793a24d61a534902037f16687910af379fc83eaff141a
sha512
8f36dddbc11e6815ec01b6cf185df4997bbc8db89a7efcc96cf86fe94ac6346872c1f19b949db2a387185c2380ea1b8f1729668d33a02a299a42beeb7c71c8db
ripemd-160
323ec42d145d4d7b6de8a1a3605014d9b8e88ee1
Diameter
133409562
Circumference
419118499.89783
Area
1.3978603874367E+16
Volume
1.2432529468338E+24
Surface area
5.5914415497467E+16
Circumference
419118499.89783
Perimeter
266819124
Area
4449527808257961
Diagonal
94334805.965327
Surface area
26697166849547766
Volume
2.9680477800326E+23
Space diagonal
115536069.79976
Perimeter
200114343
Area
1.9267020583983E+15
Altitude
57768034.899878
Surface area
1.9267020583983E+15
Volume
3.4978778535779E+22
Height
31444935.321776