66210909 is an odd 8-digits composite number following 66210908
and preceding 66210910 . In scientific notation, it is written as 6.6210909 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 44140604 positive integers (up to 66210909) that are relatively prime to 66210909.
66210909 has 4 divisors, whose sum is 88281216
The reverse of 66210909 is 90901266
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-six million two hundred ten thousand nine hundred nine
Scientific notation
6.6210909 × 10^7
Engineering notation
6.6210909 × 10^6
Prime Factorization
3 × 22070303
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66210909
Product of the distinct prime numbers
The prime factorization of 66210909 is 3 × 22070303.
Since it has a total of 2 prime factors.
1 , 7 , 44 , 84 , 56 , 55 , 2529 , 3162 , 62736 , 79047 , 534731 , 797274 , 7986425 , 4744073 , 95948994 , 57351020 , 923815072 , 164282160 , 6636119832 , 7673816147
n×2
132421818
n×3
198632727
n×4
264843636
n×5
331054545
n÷2
33105454.5
n÷3
22070303
n÷3
16552727.25
n÷5
13242181.8
n2
4383884470606281
n3
2.9026097574983E+23
n4
1.9218443051623E+31
n5
1.2724705840127E+39
2 √n
8137.0086026746
3 √n
404.55401599981
4 √n
90.205369034634
5 √n
36.65944705254
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
-66210908
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 66210909 can be divided by 4 positive divisors.
The sum of these divisors (counting 66210909) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111100100100110001011101
3
Ternary
11121120212021220
4
Quaternary
3330210301131
5
Quinary
113422222114
6
Senary
10323043553
8
Octal
374446135
10
Decimal
66210909
12
Duodecimal
1a2105b9
16
Hexadecimal
3f24c5d
20
Vigesimal
10dg759
36
Base36
13f4nx
md5
0b36e9a4cd5888257ad482610ed16292
sha1
b92bd3d1b3df446dd79dc6b6d81fe55643559e11
sha256
e6c3e9d27e5247458b2c5f42ad170acb711dd809c038afb3039b56a0d73a41ab
sha512
f9dc257001de93b4542c5879ff4d886b8403726dc610656c95b846e4ce6c564ef09254b368e39c456d37ab60193d3f5cfeee2dc2137542a58c95d95271634d0e
ripemd-160
f568cbaf3d5aae688933a273fc4c88c1b1064613
Diameter
132421818
Circumference
416015410.6038
Area
1.3772379247043E+16
Volume
1.2158423320526E+24
Surface area
5.5089516988172E+16
Circumference
416015410.6038
Perimeter
264843636
Area
4383884470606281
Diagonal
93636365.484851
Surface area
26303306823637686
Volume
2.9026097574983E+23
Space diagonal
114680658.40332
Perimeter
198632727
Area
1.8982776594006E+15
Altitude
57340329.20166
Surface area
1.8982776594006E+15
Volume
3.4207584044421E+22
Height
31212121.828284