6642945 is an odd 7-digits composite number following 6642944
and preceding 6642946 . In scientific notation, it is written as 6.642945 × 10^6.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 3542832 positive integers (up to 6642945) that are relatively prime to 6642945.
6642945 has 8 divisors, whose sum is 8266944
The reverse of 6642945 is 5492466
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 36
Digital Root 9
Name
six million six hundred forty-two thousand nine hundred forty-five
Scientific notation
6.642945 × 10^6
Engineering notation
6.642945 × 10^6
Prime Factorization
27 × 5 × 49207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6642945
Product of the distinct prime numbers
The prime factorization of 6642945 is 27 × 5 × 49207.
Since it has a total of 3 prime factors.
10 , 1 , 99 , 17 , 404 , 863 , 2989 , 4783 , 3385 , 10970 , 103744 , 931028 , 4976405 , 8541717 , 34260019 , 20718952 , 105553559 , 322083767 , 301246400 , 1751306555
n×2
13285890
n×3
19928835
n×4
26571780
n×5
33214725
n÷2
3321472.5
n÷3
2214315
n÷3
1660736.25
n÷5
1328589
n2
44128718273025
n3
2.931446484082E+20
n4
1.94734377642E+27
n5
1.293609760285E+34
2 √n
2577.3911228217
3 √n
187.98371105287
4 √n
50.768012791734
5 √n
23.145796547979
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
-6642944
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 6642945 can be divided by 8 positive divisors.
The sum of these divisors (counting 6642945) is 1, the average is 0.125.
Base
System
Value
2
Binary
11001010101110100000001
3
Ternary
110111111102000
4
Quaternary
121111310001
5
Quinary
3200033240
6
Senary
354214213
8
Octal
31256401
10
Decimal
6642945
12
Duodecimal
2284369
16
Hexadecimal
655d01
20
Vigesimal
21a775
36
Base36
3ydq9
md5
f9b7902eeaa41f14feeeee6978d93061
sha1
97e58e8bd1348f807feed2e073bd5db270be9484
sha256
83ede0ea31505b275e2adbaccd06ac8372f1caa21e8e4d50a166109132238935
sha512
f89c9e91d733cfa73ad957b81b4a7f36ecf853a50206c44c289fcfd0b04e2fc129b0588a8276b2b2fcb362146054b555e9c3969e947d249359074aee206e745a
ripemd-160
0becfdee4a07276b2b8278fd99c3898a266357be
Diameter
13285890
Circumference
41738854.420402
Area
1.3863445713887E+14
Volume
1.2279214318378E+21
Surface area
5.5453782855548E+14
Circumference
41738854.420402
Perimeter
26571780
Area
44128718273025
Diagonal
9394542.9130985
Surface area
264772309638150
Volume
2.931446484082E+20
Space diagonal
11505918.251886
Perimeter
19928835
Area
19108295530443
Altitude
5752959.1259428
Surface area
19108295530443
Volume
3.4547428126331E+19
Height
3131514.3043662