6689905 is an odd 7-digits composite number following 6689904
and preceding 6689906 . In scientific notation, it is written as 6.689905 × 10^6.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 5351920 positive integers (up to 6689905) that are relatively prime to 6689905.
6689905 has 4 divisors, whose sum is 8027892
The reverse of 6689905 is 5099866
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 43
Digital Root 7
Name
six million six hundred eighty-nine thousand nine hundred five
Scientific notation
6.689905 × 10^6
Engineering notation
6.689905 × 10^6
Prime Factorization
5 × 1337981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
6689905
Product of the distinct prime numbers
The prime factorization of 6689905 is 5 × 1337981.
Since it has a total of 2 prime factors.
7 , 7 , 37 , 94 , 311 , 117 , 1179 , 3913 , 69086 , 94739 , 65899 , 978451 , 4006941 , 9034393 , 96238435 , 47506657 , 75181134 , 334728413 , 1130915965 , 9947496778
n×2
13379810
n×3
20069715
n×4
26759620
n×5
33449525
n÷2
3344952.5
n÷3
2229968.3333333
n÷3
1672476.25
n÷5
1337981
n2
44754828909025
n3
2.9940555369263E+20
n4
2.0029947106761E+27
n5
1.3399844329926E+34
2 √n
2586.4850666493
3 √n
188.42563326709
4 √n
50.857497644392
5 √n
23.178428644655
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
-6689904
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 6689905 can be divided by 4 positive divisors.
The sum of these divisors (counting 6689905) is 1, the average is 0.25.
Base
System
Value
2
Binary
11001100001010001110001
3
Ternary
110120212211021
4
Quaternary
121201101301
5
Quinary
3203034110
6
Senary
355215441
8
Octal
31412161
10
Decimal
6689905
12
Duodecimal
22a7581
16
Hexadecimal
661471
20
Vigesimal
21g4f5
36
Base36
3zdyp
md5
e2860b63fdf3c7c7563a2fabc1885766
sha1
d8a9be24f142ca708fe923f2b616cd0eb1a2a727
sha256
76eb3c4808b3ff57c1498aa17982cf03ffe92e111cee1d5b3f86b7061667d0e9
sha512
0b7f720b09377cfb20a8ebe643c0550f20db6182ef2b90dc5d81d580680a48ebd32ad2cb22b73c4d5fd11d323be947b7e6e6a95689230e78907027a2ccfbe03c
ripemd-160
07693062d86bb83a3bac3aa052fbb734c1aae123
Diameter
13379810
Circumference
42033912.802427
Area
1.4060144171326E+14
Volume
1.2541470505663E+21
Surface area
5.6240576685304E+14
Circumference
42033912.802427
Perimeter
26759620
Area
44754828909025
Diagonal
9460954.3819876
Surface area
268528973454150
Volume
2.9940555369263E+20
Space diagonal
11587255.357809
Perimeter
20069715
Area
19379409388621
Altitude
5793627.6789045
Surface area
19379409388621
Volume
3.5285282890162E+19
Height
3153651.4606625