6642789 is an odd 7-digits composite number following 6642788
and preceding 6642790 . In scientific notation, it is written as 6.642789 × 10^6.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 4404960 positive integers (up to 6642789) that are relatively prime to 6642789.
6642789 has 8 divisors, whose sum is 8904192
The reverse of 6642789 is 9872466
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 42
Digital Root 6
Name
six million six hundred forty-two thousand seven hundred eighty-nine
Scientific notation
6.642789 × 10^6
Engineering notation
6.642789 × 10^6
Prime Factorization
3 × 191 × 11593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6642789
Product of the distinct prime numbers
The prime factorization of 6642789 is 3 × 191 × 11593.
Since it has a total of 3 prime factors.
5 , 7 , 92 , 7 , 529 , 541 , 498 , 6831 , 75842 , 72111 , 110759 , 342024 , 2000264 , 3162587 , 6769709 , 12699687 , 196107235 , 759675399 , 3155264291 , 8766736326
n×2
13285578
n×3
19928367
n×4
26571156
n×5
33213945
n÷2
3321394.5
n÷3
2214263
n÷3
1660697.25
n÷5
1328557.8
n2
44126645698521
n3
2.9312399665303E+20
n4
1.9471608606028E+27
n5
1.2934578746043E+34
2 √n
2577.360859484
3 √n
187.98223953241
4 √n
50.767714735686
5 √n
23.145687837816
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6642788
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6642789 can be divided by 8 positive divisors.
The sum of these divisors (counting 6642789) is 1, the average is 0.125.
Base
System
Value
2
Binary
11001010101110001100101
3
Ternary
110111111012020
4
Quaternary
121111301211
5
Quinary
3200032124
6
Senary
354213353
8
Octal
31256145
10
Decimal
6642789
12
Duodecimal
2284259
16
Hexadecimal
655c65
20
Vigesimal
21a6j9
36
Base36
3ydlx
md5
221718fe6f80da7dfdac8b28eab8aa2b
sha1
1c2f190dd48b9880f77a8ce67ecdf59df984974a
sha256
91e11596478d3e6d9aa26739c4e0eedbf92c7f02a6223dbc6fd51704b0a18b6a
sha512
a4aa3a58a9a44fa962b416e58d235868d586e8a8cbcf61e01aef372f52ff5afdfa98bbcbe5720dcf60dde5c6c89cfd369bce450bd1a2e6ad404fb39834b3ece9
ripemd-160
d6f1486bbf76a59dab825c103389312922a645cc
Diameter
13285578
Circumference
41737874.243494
Area
1.3862794595403E+14
Volume
1.2278349259681E+21
Surface area
5.5451178381613E+14
Circumference
41737874.243494
Perimeter
26571156
Area
44126645698521
Diagonal
9394322.2957828
Surface area
264759874191126
Volume
2.9312399665303E+20
Space diagonal
11505648.05196
Perimeter
19928367
Area
19107398079357
Altitude
5752824.0259798
Surface area
19107398079357
Volume
3.4544994293644E+19
Height
3131440.7652609