21032686 is an even 8-digits composite number following 21032685
and preceding 21032687 . In scientific notation, it is written as 2.1032686 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10516342 positive integers (up to 21032686) that are relatively prime to 21032686.
21032686 has 4 divisors, whose sum is 31549032
The reverse of 21032686 is 68623012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million thirty-two thousand six hundred eighty-six
Scientific notation
2.1032686 × 10^7
Engineering notation
2.1032686 × 10^6
Prime Factorization
2 × 10516343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21032686
Product of the distinct prime numbers
The prime factorization of 21032686 is 2 × 10516343.
Since it has a total of 2 prime factors.
4 , 2 , 48 , 63 , 926 , 133 , 6173 , 3130 , 18994 , 25205 , 29696 , 474898 , 1029006 , 3955548 , 76866654 , 91126301 , 635472118 , 171238112 , 7505834037 , 629557874
n×2
42065372
n×3
63098058
n×4
84130744
n×5
105163430
n÷2
10516343
n÷3
7010895.3333333
n÷3
5258171.5
n÷5
4206537.2
n2
442373880374596
n3
9.3043109205204E+21
n4
1.9569465003768E+29
n5
4.1159841261224E+36
2 √n
4586.140643286
3 √n
276.03548343066
4 √n
67.721050222852
5 √n
29.145999133006
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
-21032685
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 21032686 can be divided by 4 positive divisors.
The sum of these divisors (counting 21032686) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110111011101110
3
Ternary
1110120120102101
4
Quaternary
1100032323232
5
Quinary
20341021221
6
Senary
2030445314
8
Octal
120167356
10
Decimal
21032686
12
Duodecimal
706383a
16
Hexadecimal
140eeee
20
Vigesimal
6b91e6
36
Base36
cisxa
md5
7f2083cfbe480bb5770d17ff3efae120
sha1
7fb43119611406a0cf77ebb5bd6f3f48cf45fac8
sha256
9143abb4f73bc64a2fa8034680effad5dff34c7c50ca4a1f44e13f3b518d52af
sha512
1e56a5cb3f49ef0d3782a1fa50a7d72b0dad7faf2bdf821c74b5c3ada083ef08378df66e40e8716329fd8eaa28adf34fb0e767b6f04c5c1d992593d42d07f245
ripemd-160
e3c5a7077db5f2e1cabca4c7c89bfda9864d3170
Diameter
42065372
Circumference
132152263.64572
Area
1.3897585327248E+15
Volume
3.8973806446163E+22
Surface area
5.5590341308994E+15
Circumference
132152263.64572
Perimeter
84130744
Area
442373880374596
Diagonal
29744709.794335
Surface area
2654243282247576
Volume
9.3043109205204E+21
Space diagonal
36429680.771643
Perimeter
63098058
Area
1.9155350918755E+14
Altitude
18214840.385821
Surface area
1.9155350918755E+14
Volume
1.0965235576947E+21
Height
9914903.2647782