66778889 is an odd 8-digits composite number following 66778888
and preceding 66778890 . In scientific notation, it is written as 6.6778889 × 10^7.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 66761424 positive integers (up to 66778889) that are relatively prime to 66778889.
66778889 has 4 divisors, whose sum is 66796356
The reverse of 66778889 is 98887766
Previous prime number is 5653
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 59
Digital Root 5
Name
sixty-six million seven hundred seventy-eight thousand eight hundred eighty-nine
Scientific notation
6.6778889 × 10^7
Engineering notation
6.6778889 × 10^6
Prime Factorization
5653 × 11813
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66778889
Product of the distinct prime numbers
The prime factorization of 66778889 is 5653 × 11813.
Since it has a total of 2 prime factors.
6 , 10 , 38 , 97 , 64 , 953 , 4737 , 2049 , 32419 , 8186 , 514063 , 722630 , 6234101 , 8821591 , 67140512 , 58561823 , 501513558 , 660539592 , 4858387110 , 4069146496
n×2
133557778
n×3
200336667
n×4
267115556
n×5
333894445
n÷2
33389444.5
n÷3
22259629.666667
n÷3
16694722.25
n÷5
13355777.8
n2
4459420016074321
n3
2.9779511425781E+23
n4
1.9886426879764E+31
n5
1.3279934932104E+39
2 √n
8171.8351060212
3 √n
405.70752512681
4 √n
90.398203002168
5 √n
36.722127815725
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
-66778888
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 66778889 can be divided by 4 positive divisors.
The sum of these divisors (counting 66778889) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110101111011100001001
3
Ternary
11122122201102012
4
Quaternary
3332233130021
5
Quinary
114043411024
6
Senary
10343145305
8
Octal
376573411
10
Decimal
66778889
12
Duodecimal
1a445235
16
Hexadecimal
3faf709
20
Vigesimal
10h7749
36
Base36
13rax5
md5
7f3bad4453e5722a5832a99f1801023d
sha1
d8caa4a7e66db469b610a7157309316ee8e56e3e
sha256
05e13ecb479b1248cd3dffd528d86979531a927049aef1188adf481f81b0f37f
sha512
00743e0b950dc3e7847827d4fb67fd560408ccd23b71821687f865540d0a8be1ec357f59269221b5dd4138ee1d39b17ee27072cdf88a216bc702f7e96f9ffd4f
ripemd-160
2144b9a0331ed509c05c064e951baa7784b4306a
Diameter
133557778
Circumference
419584134.19458
Area
1.400968116177E+16
Volume
1.2474012576363E+24
Surface area
5.6038724647081E+16
Circumference
419584134.19458
Perimeter
267115556
Area
4459420016074321
Diagonal
94439610.504008
Surface area
26756520096445926
Volume
2.9779511425781E+23
Space diagonal
115664428.621
Perimeter
200336667
Area
1.9309855100326E+15
Altitude
57832214.310501
Surface area
1.9309855100326E+15
Volume
3.5095490782653E+22
Height
31479870.168003