2166985 is an odd 7-digits composite number following 2166984
and preceding 2166986 . In scientific notation, it is written as 2.166985 × 10^6.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 1693104 positive integers (up to 2166985) that are relatively prime to 2166985.
2166985 has 8 divisors, whose sum is 2661120
The reverse of 2166985 is 5896612
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 37
Digital Root 1
Name
two million one hundred sixty-six thousand nine hundred eighty-five
Scientific notation
2.166985 × 10^6
Engineering notation
2.166985 × 10^6
Prime Factorization
5 × 43 × 10079
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2166985
Product of the distinct prime numbers
The prime factorization of 2166985 is 5 × 43 × 10079.
Since it has a total of 3 prime factors.
7 , 1 , 11 , 64 , 643 , 776 , 2535 , 3938 , 83305 , 14598 , 313504 , 912353 , 8480468 , 1452592 , 21566305 , 8006766 , 749293438 , 581080589 , 1494934693 , 1062062838
n×2
4333970
n×3
6500955
n×4
8667940
n×5
10834925
n÷2
1083492.5
n÷3
722328.33333333
n÷3
541746.25
n÷5
433397
n2
4695823990225
n3
1.0175780149458E+19
n4
2.2050762947173E+25
n5
4.7783672545079E+31
2 √n
1472.0682728732
3 √n
129.40527153048
4 √n
38.36754191857
5 √n
18.499976682841
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
-2166984
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 2166985 can be divided by 8 positive divisors.
The sum of these divisors (counting 2166985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001000011001001
3
Ternary
11002002112201
4
Quaternary
20101003021
5
Quinary
1023320420
6
Senary
114240201
8
Octal
10210311
10
Decimal
2166985
12
Duodecimal
886061
16
Hexadecimal
2110c9
20
Vigesimal
dah95
36
Base36
1ag21
md5
651ed5582028bd93c3666432992c7598
sha1
297c8ac43c37594ef9f4f4e38594a6033f890333
sha256
0e1dbbda371392c940edbbdc9679074597c86bf576938835ad928057f0b42457
sha512
a73a0671ed58026b9ae7ca76f0c749a954ca29e41c3fdfd1bbac7e5520a9e74aee8eb899d5c0f76d98f7fc9c16d2cceba0472b1b8d197dbd5dcde6d6d0e38d24
ripemd-160
0919153457cd93270eb8b5b7559b14f9b7be4ad0
Diameter
4333970
Circumference
13615568.312879
Area
14752366150242
Volume
4.2624208216108E+19
Surface area
59009464600966
Circumference
13615568.312879
Perimeter
8667940
Area
4695823990225
Diagonal
3064579.5764591
Surface area
28174943941350
Volume
1.0175780149458E+19
Space diagonal
3753328.1192396
Perimeter
6500955
Area
2033351433617.6
Altitude
1876664.0596198
Surface area
2033351433617.6
Volume
1.1992271912575E+18
Height
1021526.5254864