66778906 is an even 8-digits composite number following 66778905
and preceding 66778907 . In scientific notation, it is written as 6.6778906 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 33389452 positive integers (up to 66778906) that are relatively prime to 66778906.
66778906 has 4 divisors, whose sum is 100168362
The reverse of 66778906 is 60987766
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-six million seven hundred seventy-eight thousand nine hundred six
Scientific notation
6.6778906 × 10^7
Engineering notation
6.6778906 × 10^6
Prime Factorization
2 × 33389453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66778906
Product of the distinct prime numbers
The prime factorization of 66778906 is 2 × 33389453.
Since it has a total of 2 prime factors.
5 , 9 , 27 , 28 , 335 , 713 , 9335 , 2197 , 77621 , 60140 , 76995 , 863604 , 7620188 , 8638722 , 19633712 , 67389039 , 255930074 , 738729473 , 9953266290 , 2341939823
n×2
133557812
n×3
200336718
n×4
267115624
n×5
333894530
n÷2
33389453
n÷3
22259635.333333
n÷3
16694726.5
n÷5
13355781.2
n2
4459422286556836
n3
2.9779534168828E+23
n4
1.988644712984E+31
n5
1.3279951835575E+39
2 √n
8171.8361461791
3 √n
405.707559554
4 √n
90.398208755368
5 √n
36.722129685406
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
-66778905
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 66778906 can be divided by 4 positive divisors.
The sum of these divisors (counting 66778906) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110101111011100011010
3
Ternary
11122122201102211
4
Quaternary
3332233130122
5
Quinary
114043411111
6
Senary
10343145334
8
Octal
376573432
10
Decimal
66778906
12
Duodecimal
1a44524a
16
Hexadecimal
3faf71a
20
Vigesimal
10h7756
36
Base36
13raxm
md5
b9b36345042d07504d588215d4bbc375
sha1
5a5c4eb4dcf15d44304d61aee94f053df29a0fd3
sha256
7e86530c6fcf68fc0076a707880c16c0e060658f8e13d2e0ebff06a34fe44565
sha512
1e57495172f7132755587c58a0ca3367c88ffc117dadf6ddfe64a1b698bd704b980a39b31737107f65c31a96bdf240a98696bc99571c3f3e93381be9db5ddd95
ripemd-160
aeb7f9d71f8c38f6950c6abb667672061e730fca
Diameter
133557812
Circumference
419584241.00873
Area
1.4009688294702E+16
Volume
1.2474022102949E+24
Surface area
5.6038753178806E+16
Circumference
419584241.00873
Perimeter
267115624
Area
4459422286556836
Diagonal
94439634.545638
Surface area
26756533719341016
Volume
2.9779534168828E+23
Space diagonal
115664458.06587
Perimeter
200336718
Area
1.9309864931804E+15
Altitude
57832229.032933
Surface area
1.9309864931804E+15
Volume
3.5095517585592E+22
Height
31479878.181879