66445908 is an even 8-digits composite number following 66445907
and preceding 66445909 . In scientific notation, it is written as 6.6445908 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 22148632 positive integers (up to 66445908) that are relatively prime to 66445908.
66445908 has 12 divisors, whose sum is 155040480
The reverse of 66445908 is 80954466
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million four hundred forty-five thousand nine hundred eight
Scientific notation
6.6445908 × 10^7
Engineering notation
6.6445908 × 10^6
Prime Factorization
2 × 2 × 3 × 5537159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33222954
Product of the distinct prime numbers
The prime factorization of 66445908 is 2 × 2 × 3 × 5537159.
Since it has a total of 4 prime factors.
6 , 1 , 48 , 87 , 699 , 643 , 8748 , 9187 , 2953 , 12710 , 300710 , 614798 , 1307769 , 694386 , 62490644 , 43207023 , 301089220 , 711404720 , 4238838443 , 9148231469
n×2
132891816
n×3
199337724
n×4
265783632
n×5
332229540
n÷2
33222954
n÷3
22148636
n÷3
16611477
n÷5
13289181.6
n2
4415058689944464
n3
2.9336258352665E+23
n4
1.9492743235654E+31
n5
1.2952130237039E+39
2 √n
8151.43594712
3 √n
405.03207183908
4 √n
90.285303051604
5 √n
36.685432887478
1 , 2 , 3 , 4 , 6 , 12 , 5537159 , 11074318 , 16611477 , 22148636 , 33222954 , 66445908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66445907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66445908 can be divided by 12 positive divisors.
The sum of these divisors (counting 66445908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111101011110001001010100
3
Ternary
11122000210122120
4
Quaternary
3331132021110
5
Quinary
114002232113
6
Senary
10332055540
8
Octal
375361124
10
Decimal
66445908
12
Duodecimal
1a3045b0
16
Hexadecimal
3f5e254
20
Vigesimal
10f5ef8
36
Base36
13k5zo
md5
4d070bd59fd95f156849b922224278a3
sha1
46789b5920a7bbbf6e599aaaa28aa55bcda89667
sha256
0dc4167caa34e92b5f95d30034e5bc54245e316b6cf4168cc4ebae9768f976c0
sha512
d60b0185aa16965876706e4d08c5354a690c18e02b1d862f5e6c8366bdfe0b4bbed582e9ddb0ffdb118a3bdd3a83497c51fc1185e7bcfee70d56945076d58fce
ripemd-160
4ce13b352d09ecaa52c08234bda7d432bdb1c709
Diameter
132891816
Circumference
417491952.86781
Area
1.3870315945497E+16
Volume
1.2288343163273E+24
Surface area
5.5481263781989E+16
Circumference
417491952.86781
Perimeter
265783632
Area
4415058689944464
Diagonal
93968704.257795
Surface area
26490352139666784
Volume
2.9336258352665E+23
Space diagonal
115087688.61105
Perimeter
199337724
Area
1.9117764923456E+15
Altitude
57543844.305524
Surface area
1.9117764923456E+15
Volume
3.457311202635E+22
Height
31322901.419265