66981330 is an even 8-digits composite number following 66981329
and preceding 66981331 . In scientific notation, it is written as 6.6981330 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 16485120 positive integers (up to 66981330) that are relatively prime to 66981330.
66981330 has 16 divisors, whose sum is 120699864
The reverse of 66981330 is 03318966
Previous prime number is 1053
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-six million nine hundred eighty-one thousand three hundred thirty
Scientific notation
6.6981330 × 10^7
Engineering notation
6.6981330 × 10^6
Prime Factorization
2 × 5 × 1053 × 6361
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66981330
Product of the distinct prime numbers
The prime factorization of 66981330 is 2 × 5 × 1053 × 6361.
Since it has a total of 4 prime factors.
3 , 1 , 82 , 95 , 450 , 420 , 2132 , 2114 , 67784 , 98584 , 237660 , 9706 , 3807062 , 9057537 , 82636011 , 23174435 , 929296947 , 945645972 , 8495094310 , 7587033790
n×2
133962660
n×3
200943990
n×4
267925320
n×5
334906650
n÷2
33490665
n÷3
22327110
n÷3
16745332.5
n÷5
13396266
n2
4486498568568900
n3
3.0051164116584E+23
n4
2.0128669405771E+31
n5
1.3482450479288E+39
2 √n
8184.2122406497
3 √n
406.11708061792
4 √n
90.466636063522
5 √n
36.744365580289
1 , 2 , 5 , 10 , 1053 , 2106 , 5265 , 6361 , 10530 , 12722 , 31805 , 63610 , 6698133 , 13396266 , 33490665 , 66981330
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
-66981329
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 66981330 can be divided by 16 positive divisors.
The sum of these divisors (counting 66981330) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111100000110111010010
3
Ternary
11200001000010000
4
Quaternary
3333200313102
5
Quinary
114121400310
6
Senary
10351350430
8
Octal
377406722
10
Decimal
66981330
12
Duodecimal
1a522416
16
Hexadecimal
3fe0dd2
20
Vigesimal
10icd6a
36
Base36
13vn4i
md5
4af4bee5a5831a62860aca4627fd6e50
sha1
3abcd9e5075a3eb5e29560e1e9c211fe29e1a611
sha256
b44cb1c6e5beca27a0462e6f3573f3021c3dbff3c8ccc583f4ed9e30db0e0e8f
sha512
cd2c23f1fee11d5e5a9c928bf6b06c2fb6aafe8d5ea64784f80c98b074d30537d395081447594c100c04a60f6ad3a5f00bd3cac7ab02717212a5479ee6724ade
ripemd-160
4010a46cc095c1f0e7d7b7e17303b374f683be70
Diameter
133962660
Circumference
420856108.51135
Area
1.4094750943357E+16
Volume
1.2587802189398E+24
Surface area
5.6379003773429E+16
Circumference
420856108.51135
Perimeter
267925320
Area
4486498568568900
Diagonal
94725905.311788
Surface area
26918991411413400
Volume
3.0051164116584E+23
Space diagonal
116015066.71854
Perimeter
200943990
Area
1.9427108672116E+15
Altitude
58007533.359269
Surface area
1.9427108672116E+15
Volume
3.5415636548977E+22
Height
31575301.770596