66406905 is an odd 8-digits composite number following 66406904
and preceding 66406906 . In scientific notation, it is written as 6.6406905 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 35012736 positive integers (up to 66406905) that are relatively prime to 66406905.
66406905 has 16 divisors, whose sum is 79603200
The reverse of 66406905 is 50960466
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-six million four hundred six thousand nine hundred five
Scientific notation
6.6406905 × 10^7
Engineering notation
6.6406905 × 10^6
Prime Factorization
15 × 9 × 89 × 5527
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66406905
Product of the distinct prime numbers
The prime factorization of 66406905 is 15 × 9 × 89 × 5527.
Since it has a total of 4 prime factors.
8 , 7 , 40 , 60 , 436 , 650 , 1917 , 1178 , 99388 , 60578 , 512380 , 825673 , 5512402 , 7575174 , 66791797 , 29585517 , 426947904 , 275940876 , 1881115441 , 3236193973
n×2
132813810
n×3
199220715
n×4
265627620
n×5
332034525
n÷2
33203452.5
n÷3
22135635
n÷3
16601726.25
n÷5
13281381
n2
4409877031679025
n3
2.9284628510439E+23
n4
1.944701543453E+31
n5
1.2914161064944E+39
2 √n
8149.0431953696
3 √n
404.95280657224
4 √n
90.272051020067
5 √n
36.681125088681
1 , 9 , 15 , 89 , 135 , 801 , 1335 , 5527 , 12015 , 49743 , 82905 , 491903 , 746145 , 4427127 , 7378545 , 66406905
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
-66406904
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 66406905 can be divided by 16 positive divisors.
The sum of these divisors (counting 66406905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101010100100111111001
3
Ternary
11121221211011000
4
Quaternary
3331110213321
5
Quinary
114000010110
6
Senary
10331155213
8
Octal
375244771
10
Decimal
66406905
12
Duodecimal
1a2a5b09
16
Hexadecimal
3f549f9
20
Vigesimal
10f0h55
36
Base36
13jbw9
md5
e5800825d42650a0810671774397140c
sha1
b4ec29e01fbabd970e487b4dc7e28e1c5e25227b
sha256
2f2526c33f0cf448233ccba6d607043958236ff76009e815e388af5c42bd4c32
sha512
7c7550d9e95879c5c96178b1cfd5531dac0d3765fdf77c342dd0174c0edb74ec8b2fb9fa2b7036366984fb0ecec6cacc3d8a509a873088ed2dd55050d1691375
ripemd-160
9f8d7c69700cf3eb715db8dfb9b578d7e036f133
Diameter
132813810
Circumference
417246889.79127
Area
1.3854037285957E+16
Volume
1.2266716505534E+24
Surface area
5.5416149143829E+16
Circumference
417246889.79127
Perimeter
265627620
Area
4409877031679025
Diagonal
93913545.686222
Surface area
26459262190074150
Volume
2.9284628510439E+23
Space diagonal
115020133.4334
Perimeter
199220715
Area
1.9095327684998E+15
Altitude
57510066.7167
Surface area
1.9095327684998E+15
Volume
3.4512265673767E+22
Height
31304515.228741