21032281 is an odd 8-digits composite number following 21032280
and preceding 21032282 . In scientific notation, it is written as 2.1032281 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 18934080 positive integers (up to 21032281) that are relatively prime to 21032281.
21032281 has 8 divisors, whose sum is 23238144
The reverse of 21032281 is 18223012
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million thirty-two thousand two hundred eighty-one
Scientific notation
2.1032281 × 10^7
Engineering notation
2.1032281 × 10^6
Prime Factorization
23 × 17 × 53791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21032281
Product of the distinct prime numbers
The prime factorization of 21032281 is 23 × 17 × 53791.
Since it has a total of 3 prime factors.
3 , 6 , 60 , 89 , 213 , 73 , 4922 , 1130 , 58333 , 91961 , 274182 , 24136 , 9260899 , 9921108 , 34684745 , 11923173 , 163470710 , 234682830 , 9177190076 , 5755622429
n×2
42064562
n×3
63096843
n×4
84129124
n×5
105161405
n÷2
10516140.5
n÷3
7010760.3333333
n÷3
5258070.25
n÷5
4206456.2
n2
442356844062961
n3
9.3037734466054E+21
n4
1.9567957748934E+29
n5
4.1155878597171E+36
2 √n
4586.0964883003
3 √n
276.03371166316
4 √n
67.72072421571
5 √n
29.145886886566
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21032280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21032281 can be divided by 8 positive divisors.
The sum of these divisors (counting 21032281) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110110101011001
3
Ternary
1110120112212101
4
Quaternary
1100032311121
5
Quinary
20341013111
6
Senary
2030443401
8
Octal
120166531
10
Decimal
21032281
12
Duodecimal
7063561
16
Hexadecimal
140ed59
20
Vigesimal
6b90e1
36
Base36
cism1
md5
29aea3ef73d77defa63e0b5c2848c198
sha1
95683a360b41e5237ab474ab0b304cb7fa020d2e
sha256
7cb5ef4f747ca7c25ac6267f1be0066c2c820e30974cd2709f1df2bbf51188e5
sha512
515c890c66829736af5f63b7baf829938080cf35d4c1dcca38314be1a1651bc6025bdbfd09526657cb486bae0d1f7051a4b9baaeba01a447c0756bbe36c0498d
ripemd-160
4ee29490a18bcffda8e58d1d634d9716e78f1106
Diameter
42064562
Circumference
132149718.95567
Area
1.3897050115734E+15
Volume
3.8971555080692E+22
Surface area
5.5588200462935E+15
Circumference
132149718.95567
Perimeter
84129124
Area
442356844062961
Diagonal
29744137.037842
Surface area
2654141064377766
Volume
9.3037734466054E+21
Space diagonal
36428979.291066
Perimeter
63096843
Area
1.9154613224822E+14
Altitude
18214489.645533
Surface area
1.9154613224822E+14
Volume
1.0964602157863E+21
Height
9914712.3459473