2106985 is an odd 7-digits composite number following 2106984
and preceding 2106986 . In scientific notation, it is written as 2.106985 × 10^6.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 1685584 positive integers (up to 2106985) that are relatively prime to 2106985.
2106985 has 4 divisors, whose sum is 2528388
The reverse of 2106985 is 5896012
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
two million one hundred six thousand nine hundred eighty-five
Scientific notation
2.106985 × 10^6
Engineering notation
2.106985 × 10^6
Prime Factorization
5 × 421397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2106985
Product of the distinct prime numbers
The prime factorization of 2106985 is 5 × 421397.
Since it has a total of 2 prime factors.
9 , 10 , 32 , 70 , 137 , 678 , 9644 , 9625 , 94869 , 25218 , 432178 , 307497 , 477623 , 4545570 , 95100156 , 21846595 , 349534990 , 452723746 , 8229001893 , 6973511685
n×2
4213970
n×3
6320955
n×4
8427940
n×5
10534925
n÷2
1053492.5
n÷3
702328.33333333
n÷3
526746.25
n÷5
421397
n2
4439385790225
n3
9.3537192692172E+18
n4
1.9708146194452E+25
n5
4.1524768409517E+31
2 √n
1451.5457278364
3 √n
128.19974104372
4 √n
38.099156523949
5 √n
18.396376478897
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
-2106984
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 2106985 can be divided by 4 positive divisors.
The sum of these divisors (counting 2106985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000000010011001101001
3
Ternary
10222001020111
4
Quaternary
20002121221
5
Quinary
1014410420
6
Senary
113054321
8
Octal
10023151
10
Decimal
2106985
12
Duodecimal
8573a1
16
Hexadecimal
202669
20
Vigesimal
d3795
36
Base36
195rd
md5
a3dc0ff4af93610e69d4313d41fd3a89
sha1
82ad614426c0d957c8ef20981f1a7e2bac8620e1
sha256
0f35df08d3d57f1840d2c39e061ab6c5a6757f5de1e58041e22aba27a6abfcc0
sha512
765b7eaa3e24d0a8799c619bb3b2c0223a7637afcfa3dfc254917fe1d2180f94269661a7965862f601085543fcf631da9ca528ca82c92376793ee1ce4a02be5c
ripemd-160
8e6a9f4d32de80e5f0b81892ba75dd927e86d9e7
Diameter
4213970
Circumference
13238577.194448
Area
13946741785022
Volume
3.9180767653219E+19
Surface area
55786967140087
Circumference
13238577.194448
Perimeter
8427940
Area
4439385790225
Diagonal
2979726.7627167
Surface area
26636314741350
Volume
9.3537192692172E+18
Space diagonal
3649405.0707855
Perimeter
6320955
Area
1922310435767.3
Altitude
1824702.5353928
Surface area
1922310435767.3
Volume
1.1023463874298E+18
Height
993242.25423889