66942009 is an odd 8-digits composite number following 66942008
and preceding 66942010 . In scientific notation, it is written as 6.6942009 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 44628000 positive integers (up to 66942009) that are relatively prime to 66942009.
66942009 has 4 divisors, whose sum is 74380020
The reverse of 66942009 is 90024966
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-six million nine hundred forty-two thousand nine
Scientific notation
6.6942009 × 10^7
Engineering notation
6.6942009 × 10^6
Prime Factorization
9 × 7438001
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66942009
Product of the distinct prime numbers
The prime factorization of 66942009 is 9 × 7438001.
Since it has a total of 2 prime factors.
2 , 3 , 62 , 94 , 67 , 822 , 8217 , 16 , 51100 , 42304 , 933488 , 241770 , 2879019 , 2348555 , 46472697 , 37922659 , 862833556 , 559896872 , 2772947882 , 4669720598
n×2
133884018
n×3
200826027
n×4
267768036
n×5
334710045
n÷2
33471004.5
n÷3
22314003
n÷3
16735502.25
n÷5
13388401.8
n2
4481232568956081
n3
2.9998271096215E+23
n4
2.0081445337073E+31
n5
1.3442922944873E+39
2 √n
8181.8096409046
3 √n
406.03759550583
4 √n
90.453356161641
5 √n
36.740050453704
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66942008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66942009 can be divided by 4 positive divisors.
The sum of these divisors (counting 66942009) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111010111010000111001
3
Ternary
11122222000011200
4
Quaternary
3333113100321
5
Quinary
114114121014
6
Senary
10350444413
8
Octal
377272071
10
Decimal
66942009
12
Duodecimal
1a503709
16
Hexadecimal
3fd7439
20
Vigesimal
10i7f09
36
Base36
13uss9
md5
4d590112a8a6fa15bdfe65dbd4e0a3cc
sha1
fa7633674f5d8e4c776d3120bcaf5494b5e90c6b
sha256
12fd08ade49c01862b0de4e9d03d793bddb2129b095380206807a90df95d9498
sha512
a1edd3e3270cb110d9d05ba20b2294a74ef1890c87b286e6bbfe408309ffaf720ed2597aacf0608dc2a6187ddb1d8d189e5ae7f59f8ac1f624d040377dd38bdb
ripemd-160
cdc9de428f7165dcdfc4ccb35fc8f1313ca54425
Diameter
133884018
Circumference
420609047.38188
Area
1.407820731766E+16
Volume
1.2565646412835E+24
Surface area
5.6312829270639E+16
Circumference
420609047.38188
Perimeter
267768036
Area
4481232568956081
Diagonal
94670297.020302
Surface area
26887395413736486
Volume
2.9998271096215E+23
Space diagonal
115946960.74873
Perimeter
200826027
Area
1.9404306224911E+15
Altitude
57973480.374367
Surface area
1.9404306224911E+15
Volume
3.5353301526677E+22
Height
31556765.673434