210906 is an even 6-digits composite number following 210905
and preceding 210907 . In scientific notation, it is written as 2.10906 × 10^5.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 70296 positive integers (up to 210906) that are relatively prime to 210906.
210906 has 12 divisors, whose sum is 457002
The reverse of 210906 is 609012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 6
Sum of Digits 18
Digital Root 9
Name
two hundred ten thousand nine hundred six
Scientific notation
2.10906 × 10^5
Engineering notation
2.10906 × 10^3
Prime Factorization
2 × 3 × 3 × 11717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
70302
Product of the distinct prime numbers
The prime factorization of 210906 is 2 × 3 × 3 × 11717.
Since it has a total of 4 prime factors.
10 , 1 , 8 , 5 , 96 , 528 , 789 , 2096 , 23392 , 73227 , 602494 , 450044 , 820215 , 8391981 , 47458213 , 90339691 , 425186259 , 74884408 , 6385684272 , 534106470
n×2
421812
n×3
632718
n×4
843624
n×5
1054530
n÷2
105453
n÷3
70302
n÷3
52726.5
n÷5
42181.2
n2
44481340836
n3
9381381670357416
n4
1.9785896825684E+21
n5
4.1729643559177E+26
2 √n
459.24503263508
3 √n
59.524576152666
4 √n
21.430003094612
5 √n
11.609614175961
1 , 2 , 3 , 6 , 9 , 18 , 11717 , 23434 , 35151 , 70302 , 105453 , 210906
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-210905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 210906 can be divided by 12 positive divisors.
The sum of these divisors (counting 210906) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110011011111011010
3
Ternary
101201022100
4
Quaternary
303133122
5
Quinary
23222111
6
Senary
4304230
8
Octal
633732
10
Decimal
210906
12
Duodecimal
a2076
16
Hexadecimal
337da
20
Vigesimal
16756
36
Base36
4iqi
md5
a2c96953ccf4d486964947f175878c1c
sha1
944c01ef1b2cc627f09d0029aac35943a7f8f857
sha256
730494b03c5d0f42f09695f0a236f40ea1aa6f8ea9c9c1994624c740d1c02a38
sha512
9a1fe71c25bff236ebb512ea1a8f9109df43024e32ffc77ce2b06c2d5353c48accf1a23d8c41c52c46fe1d8df4eeca1403aa7e0221b471eb5fb085d5261abcbf
ripemd-160
7c582b64a4013c7d639aabc0fc01da3f9191dfe1
Diameter
421812
Circumference
1325161.480396
Area
139742253592.2
Volume
3.9296639648156E+16
Surface area
558969014368.81
Circumference
1325161.480396
Perimeter
843624
Area
44481340836
Diagonal
298266.12558586
Surface area
266888045016
Volume
9381381670357416
Space diagonal
365299.90762112
Perimeter
632718
Area
19260985579.185
Altitude
182649.95381056
Surface area
19260985579.185
Volume
1.1056064326682E+15
Height
99422.041861953