6641985 is an odd 7-digits composite number following 6641984
and preceding 6641986 . In scientific notation, it is written as 6.641985 × 10^6.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 2810880 positive integers (up to 6641985) that are relatively prime to 6641985.
6641985 has 24 divisors, whose sum is 9805536
The reverse of 6641985 is 5891466
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 39
Digital Root 3
Name
six million six hundred forty-one thousand nine hundred eighty-five
Scientific notation
6.641985 × 10^6
Engineering notation
6.641985 × 10^6
Prime Factorization
3 × 35 × 17 × 61 × 61
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
108885
Product of the distinct prime numbers
The prime factorization of 6641985 is 3 × 35 × 17 × 61 × 61.
Since it has a total of 5 prime factors.
3 , 8 , 27 , 44 , 956 , 690 , 6608 , 423 , 84990 , 38819 , 854536 , 19205 , 1659385 , 2733970 , 89218951 , 39863471 , 911360629 , 988361268 , 3780814420 , 6138228250
n×2
13283970
n×3
19925955
n×4
26567940
n×5
33209925
n÷2
3320992.5
n÷3
2213995
n÷3
1660496.25
n÷5
1328397
n2
44115964740225
n3
2.930175760651E+20
n4
1.9462183449608E+27
n5
1.2926753053954E+34
2 √n
2577.2048812619
3 √n
187.97465517698
4 √n
50.766178517413
5 √n
23.145127529969
1 , 3 , 17 , 35 , 51 , 61 , 105 , 183 , 595 , 1037 , 1785 , 2135 , 3111 , 3721 , 6405 , 11163 , 36295 , 63257 , 108885 , 130235 , 189771 , 390705 , 2213995 , 6641985
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-6641984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 6641985 can be divided by 24 positive divisors.
The sum of these divisors (counting 6641985) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11001010101100101000001
3
Ternary
110111110002110
4
Quaternary
121111211001
5
Quinary
3200020420
6
Senary
354205533
8
Octal
31254501
10
Decimal
6641985
12
Duodecimal
22838a9
16
Hexadecimal
655941
20
Vigesimal
21a4j5
36
Base36
3yczl
md5
32ebd2854c68152fcb3f0a4dce1d7d64
sha1
8f92ace9df143041d7f271d393622b1f7d94e504
sha256
26edd74d574afdc5d8d4ab01391cb263b1e2ef085dcaf276bd023a71b83bde70
sha512
96f1acef9d592a77d91b47816dc92c76d6227b6e567d69228c3cd5daed0574ff912e56001b8238fd2edc7b140f4f2385b11915c4b9f79b695d1daa3f48672130
ripemd-160
ae155041393cd8095512ae0e09b6f24d5e614748
Diameter
13283970
Circumference
41732822.562507
Area
1.3859439073392E+14
Volume
1.2273891524518E+21
Surface area
5.5437756293567E+14
Circumference
41732822.562507
Perimeter
26567940
Area
44115964740225
Diagonal
9393185.2680787
Surface area
264695788441350
Volume
2.930175760651E+20
Space diagonal
11504255.48311
Perimeter
19925955
Area
19102773088747
Altitude
5752127.7415552
Surface area
19102773088747
Volume
3.453245250708E+19
Height
3131061.7560262