21000834 is an even 8-digits composite number following 21000833
and preceding 21000835 . In scientific notation, it is written as 2.1000834 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 7000272 positive integers (up to 21000834) that are relatively prime to 21000834.
21000834 has 12 divisors, whose sum is 45501846
The reverse of 21000834 is 43800012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million eight hundred thirty-four
Scientific notation
2.1000834 × 10^7
Engineering notation
2.1000834 × 10^6
Prime Factorization
2 × 3 × 3 × 1166713
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7000278
Product of the distinct prime numbers
The prime factorization of 21000834 is 2 × 3 × 3 × 1166713.
Since it has a total of 4 prime factors.
7 , 6 , 42 , 100 , 206 , 803 , 2760 , 233 , 66262 , 69813 , 229980 , 78759 , 8668755 , 2692590 , 26641359 , 73458834 , 911484900 , 719083245 , 3739630866 , 7607256556
n×2
42001668
n×3
63002502
n×4
84003336
n×5
105004170
n÷2
10500417
n÷3
7000278
n÷3
5250208.5
n÷5
4200166.8
n2
441035028695556
n3
9.2621034258206E+21
n4
1.9451189653649E+29
n5
4.084912050188E+36
2 √n
4582.6666909126
3 √n
275.89606987986
4 √n
67.69539637902
5 √n
29.137166012595
1 , 2 , 3 , 6 , 9 , 18 , 1166713 , 2333426 , 3500139 , 7000278 , 10500417 , 21000834
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
-21000833
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 21000834 can be divided by 12 positive divisors.
The sum of these divisors (counting 21000834) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000111001010000010
3
Ternary
1110111221201200
4
Quaternary
1100013022002
5
Quinary
20334011314
6
Senary
2030042030
8
Octal
120071202
10
Decimal
21000834
12
Duodecimal
7049316
16
Hexadecimal
1407282
20
Vigesimal
6b521e
36
Base36
ci4ci
md5
e6a72f0336e51ac463b92fb793be5e2f
sha1
9a9cff22d2500c7b96ecb817ca3b45b7ab7764b8
sha256
e4562e661e682d886f30fd9431144f4d28ed421bb7071deaaa75e355e23ff882
sha512
c99ad3c3bb62ee10e6980f551f8a35a3ff8b175d9870f5faed48a215e5950a44cce6aca8a85468c07e89f5a628a06aa01b8bdc3a42a46117973c5e1c9c4ae9b0
ripemd-160
1df75d5e0b48178b8bbdc249c914b8ff03f619e5
Diameter
42001668
Circumference
131952131.62732
Area
1.3855524061257E+15
Volume
3.8797008105796E+22
Surface area
5.5422096245029E+15
Circumference
131952131.62732
Perimeter
84003336
Area
441035028695556
Diagonal
29699664.263946
Surface area
2646210172173336
Volume
9.2621034258206E+21
Space diagonal
36374511.48932
Perimeter
63002502
Area
1.9097376940458E+14
Altitude
18187255.74466
Surface area
1.9097376940458E+14
Volume
1.0915493567415E+21
Height
9899888.087982