21279983 is an odd 8-digits composite number following 21279982
and preceding 21279984 . In scientific notation, it is written as 2.1279983 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 21178920 positive integers (up to 21279983) that are relatively prime to 21279983.
21279983 has 4 divisors, whose sum is 21381048
The reverse of 21279983 is 38997212
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million two hundred seventy-nine thousand nine hundred eighty-three
Scientific notation
2.1279983 × 10^7
Engineering notation
2.1279983 × 10^6
Prime Factorization
211 × 100853
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21279983
Product of the distinct prime numbers
The prime factorization of 21279983 is 211 × 100853.
Since it has a total of 2 prime factors.
6 , 8 , 10 , 48 , 402 , 589 , 8803 , 9564 , 29083 , 4960 , 19886 , 27126 , 4803604 , 1076039 , 2924802 , 76261169 , 101634560 , 305001512 , 8520148330 , 3453296479
n×2
42559966
n×3
63839949
n×4
85119932
n×5
106399915
n÷2
10639991.5
n÷3
7093327.6666667
n÷3
5319995.75
n÷5
4255996.6
n2
452837676480289
n3
9.6363780572601E+21
n4
2.0506196124007E+29
n5
4.3637150491353E+36
2 √n
4613.0231952593
3 √n
277.11312265447
4 √n
67.919240243537
5 √n
29.214217302849
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
-21279982
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 21279983 can be divided by 4 positive divisors.
The sum of these divisors (counting 21279983) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001011010011101111
3
Ternary
1111001010122112
4
Quaternary
1101023103233
5
Quinary
20421424413
6
Senary
2040034235
8
Octal
121132357
10
Decimal
21279983
12
Duodecimal
716297b
16
Hexadecimal
144b4ef
20
Vigesimal
6cjjj3
36
Base36
co3qn
md5
0d0f815c05407d34bac228053f73442d
sha1
3dd5fa4bd214afddf877f7ee725f892d510ff712
sha256
6a65b93ef068a13b63a0e50a1404f2d264bf3cabfc5daf8b8d792966fc203acb
sha512
f047ff617be6ad0d8df470046cb34d92ba5dee8905d0a5e8585e20e1c0791144e8fd39be0a64b3dda1f6ea88c8b3335af0d8c0e691f8abbcb117d1772fd8ad7b
ripemd-160
950dafcc584f5ebe7461d554697b6fb6d5b36912
Diameter
42559966
Circumference
133706076.52263
Area
1.4226315176991E+15
Volume
4.0364766015869E+22
Surface area
5.6905260707966E+15
Circumference
133706076.52263
Perimeter
85119932
Area
452837676480289
Diagonal
30094440.565669
Surface area
2717026058881734
Volume
9.6363780572601E+21
Space diagonal
36858011.740202
Perimeter
63839949
Area
1.9608446581132E+14
Altitude
18429005.870101
Surface area
1.9608446581132E+14
Volume
1.135658045061E+21
Height
10031480.188556