21271256 is an even 8-digits composite number following 21271255
and preceding 21271257 . In scientific notation, it is written as 2.1271256 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors.
There are 10553920 positive integers (up to 21271256) that are relatively prime to 21271256.
21271256 has 16 divisors, whose sum is 40190040
The reverse of 21271256 is 65217212
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million two hundred seventy-one thousand two hundred fifty-six
Scientific notation
2.1271256 × 10^7
Engineering notation
2.1271256 × 10^6
Prime Factorization
2 × 2 × 2 × 131 × 20297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5317814
Product of the distinct prime numbers
The prime factorization of 21271256 is 2 × 2 × 2 × 131 × 20297.
Since it has a total of 5 prime factors.
5 , 8 , 53 , 81 , 773 , 395 , 3622 , 4887 , 22727 , 12441 , 546947 , 837380 , 6555469 , 9835240 , 7681540 , 26367896 , 399396458 , 465772905 , 2820724701 , 475813607
n×2
42542512
n×3
63813768
n×4
85085024
n×5
106356280
n÷2
10635628
n÷3
7090418.6666667
n÷3
5317814
n÷5
4254251.2
n2
452466331817536
n3
9.6245271754718E+21
n4
2.0472578142842E+29
n5
4.3547745065639E+36
2 √n
4612.0771892933
3 √n
277.07523576816
4 √n
67.912275689255
5 √n
29.211820737895
1 , 2 , 4 , 8 , 131 , 262 , 524 , 1048 , 20297 , 40594 , 81188 , 162376 , 2658907 , 5317814 , 10635628 , 21271256
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21271255
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21271256 can be divided by 16 positive divisors.
The sum of these divisors (counting 21271256) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001001001011011000
3
Ternary
1111000200200022
4
Quaternary
1101021023120
5
Quinary
20421140011
6
Senary
2035530012
8
Octal
121111330
10
Decimal
21271256
12
Duodecimal
7159908
16
Hexadecimal
14492d8
20
Vigesimal
6cii2g
36
Base36
cnx08
md5
180d380a8ef5d2a456bfe5641924825b
sha1
6d1416bfaf32a732c35113f149e67793cbc77250
sha256
e97fdead92be132033846dcd669dcc0b05e6e62627a6f3b93d548f6715758042
sha512
acd3ef532a9e2ecff0a2899f30c76b59b6a3954d0cb9bbb62b035b6d7bd32b819b090d391126981dc83ecfe2c46aa4accd2491f1be71ec42525bfda22c6bbb3d
ripemd-160
28457f135a110990018f2d465503c850ef6b65dd
Diameter
42542512
Circumference
133651243.16446
Area
1.4214649040347E+15
Volume
4.0315125158317E+22
Surface area
5.6858596161388E+15
Circumference
133651243.16446
Perimeter
85085024
Area
452466331817536
Diagonal
30082098.72391
Surface area
2714797990905216
Volume
9.6245271754718E+21
Space diagonal
36842896.132804
Perimeter
63813768
Area
1.9592366885557E+14
Altitude
18421448.066402
Surface area
1.9592366885557E+14
Volume
1.1342614052484E+21
Height
10027366.241303