2689985 is an odd 7-digits composite number following 2689984
and preceding 2689986 . In scientific notation, it is written as 2.689985 × 10^6.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 2141824 positive integers (up to 2689985) that are relatively prime to 2689985.
2689985 has 8 divisors, whose sum is 3243240
The reverse of 2689985 is 5899862
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 47
Digital Root 2
Name
two million six hundred eighty-nine thousand nine hundred eighty-five
Scientific notation
2.689985 × 10^6
Engineering notation
2.689985 × 10^6
Prime Factorization
5 × 233 × 2309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2689985
Product of the distinct prime numbers
The prime factorization of 2689985 is 5 × 233 × 2309.
Since it has a total of 3 prime factors.
8 , 10 , 50 , 12 , 690 , 300 , 2593 , 9290 , 1665 , 4676 , 791298 , 317637 , 5864684 , 4305333 , 1748473 , 95771154 , 976768806 , 93379660 , 8277980202 , 4835602679
n×2
5379970
n×3
8069955
n×4
10759940
n×5
13449925
n÷2
1344992.5
n÷3
896661.66666667
n÷3
672496.25
n÷5
537997
n2
7236019300225
n3
1.9464783377316E+19
n4
5.2359975313229E+25
n5
1.4084754819296E+32
2 √n
1640.1173738486
3 √n
139.07528313243
4 √n
40.498362607007
5 √n
19.317457776729
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
-2689984
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 2689985 can be divided by 8 positive divisors.
The sum of these divisors (counting 2689985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000101111000001
3
Ternary
12001122222002
4
Quaternary
22100233001
5
Quinary
1142034420
6
Senary
133353345
8
Octal
12205701
10
Decimal
2689985
12
Duodecimal
a98855
16
Hexadecimal
290bc1
20
Vigesimal
gg4j5
36
Base36
1lnlt
md5
35f9158801daf26baa0d94aff725712f
sha1
73bbd23b97eda3cec3b4570d14f464a98e329b72
sha256
48b996f3466b782de7fe344b23db267f32e729eedfbfeb6c6f0e6ed777608665
sha512
12b299d9f739195087ed00afa02f00ae7d2d974d517a09a2906332e14eef03696cefcbe57c40370a59e285b7f6b0ff3df4fbdd4d786e8081e6ab3016d65fd6ac
ripemd-160
2d3263cd273b40a706d9911d39ce66fd7b60fcbb
Diameter
5379970
Circumference
16901674.228533
Area
22732625074821
Volume
8.1533893949189E+19
Surface area
90930500299283
Circumference
16901674.228533
Perimeter
10759940
Area
7236019300225
Diagonal
3804213.2695802
Surface area
43416115801350
Volume
1.9464783377316E+19
Space diagonal
4659190.6915982
Perimeter
8069955
Area
3133288268134.7
Altitude
2329595.3457991
Surface area
3133288268134.7
Volume
2.2939467200712E+18
Height
1268071.0898601