66401906 is an even 8-digits composite number following 66401905
and preceding 66401907 . In scientific notation, it is written as 6.6401906 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 33200952 positive integers (up to 66401906) that are relatively prime to 66401906.
66401906 has 4 divisors, whose sum is 99602862
The reverse of 66401906 is 60910466
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
sixty-six million four hundred one thousand nine hundred six
Scientific notation
6.6401906 × 10^7
Engineering notation
6.6401906 × 10^6
Prime Factorization
2 × 33200953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66401906
Product of the distinct prime numbers
The prime factorization of 66401906 is 2 × 33200953.
Since it has a total of 2 prime factors.
10 , 10 , 37 , 3 , 680 , 417 , 4830 , 6566 , 17141 , 63537 , 55432 , 722274 , 2325040 , 2455301 , 32667244 , 59304148 , 442840237 , 824557187 , 7086146507 , 2295686753
n×2
132803812
n×3
199205718
n×4
265607624
n×5
332009530
n÷2
33200953
n÷3
22133968.666667
n÷3
16600476.5
n÷5
13280381.2
n2
4409213120432836
n3
2.9278015515695E+23
n4
1.9441160341397E+31
n5
1.2909301015204E+39
2 √n
8148.7364664714
3 √n
404.94264492876
4 √n
90.270352090104
5 √n
36.680572813384
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
-66401905
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 66401906 can be divided by 4 positive divisors.
The sum of these divisors (counting 66401906) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111101010011011001110010
3
Ternary
11121221120021212
4
Quaternary
3331103121302
5
Quinary
113444330111
6
Senary
10331120122
8
Octal
375233162
10
Decimal
66401906
12
Duodecimal
1a2a3042
16
Hexadecimal
3f53672
20
Vigesimal
10f04f6
36
Base36
13j81e
md5
bcecd4d521c3f615c90d87d3006e0211
sha1
54ed9dd7686e58bf812d6a7cabeb03ad67b93a8f
sha256
83999c623ff75253ec73e14148a7eeec1cc17c219aefa575201fe0cb3792a6de
sha512
14f35d296ae1eb420ff845bd5ad5995640e5897075415e899a0cdadc68cacc18712fb590b79a6187fd4ca7c79568fb991c62e779699bca4e8a656058732a3f25
ripemd-160
311f5e0cf550603c7fa2a98c4fc2082a5be4fc07
Diameter
132803812
Circumference
417215480.14792
Area
1.3851951547264E+16
Volume
1.2263946460773E+24
Surface area
5.5407806189054E+16
Circumference
417215480.14792
Perimeter
265607624
Area
4409213120432836
Diagonal
93906476.032623
Surface area
26455278722597016
Volume
2.9278015515695E+23
Space diagonal
115011474.91141
Perimeter
199205718
Area
1.9092452864972E+15
Altitude
57505737.455706
Surface area
1.9092452864972E+15
Volume
3.4504472184721E+22
Height
31302158.677541