21273428 is an even 8-digits composite number following 21273427
and preceding 21273429 . In scientific notation, it is written as 2.1273428 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 9572000 positive integers (up to 21273428) that are relatively prime to 21273428.
21273428 has 24 divisors, whose sum is 41023584
The reverse of 21273428 is 82437212
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million two hundred seventy-three thousand four hundred twenty-eight
Scientific notation
2.1273428 × 10^7
Engineering notation
2.1273428 × 10^6
Prime Factorization
2 × 2 × 11 × 101 × 4787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10636714
Product of the distinct prime numbers
The prime factorization of 21273428 is 2 × 2 × 11 × 101 × 4787.
Since it has a total of 5 prime factors.
1 , 3 , 75 , 30 , 687 , 797 , 3094 , 2289 , 27190 , 46510 , 262130 , 311295 , 2701990 , 1588670 , 68493644 , 49066713 , 994496877 , 974204046 , 5796408048 , 629524584
n×2
42546856
n×3
63820284
n×4
85093712
n×5
106367140
n÷2
10636714
n÷3
7091142.6666667
n÷3
5318357
n÷5
4254685.6
n2
452558738871184
n3
9.6274757471469E+21
n4
2.0480941212868E+29
n5
4.3569982826417E+36
2 √n
4612.3126520218
3 √n
277.08466613011
4 √n
67.914009247148
5 √n
29.21241727515
1 , 2 , 4 , 11 , 22 , 44 , 101 , 202 , 404 , 1111 , 2222 , 4444 , 4787 , 9574 , 19148 , 52657 , 105314 , 210628 , 483487 , 966974 , 1933948 , 5318357 , 10636714 , 21273428
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21273427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21273428 can be divided by 24 positive divisors.
The sum of these divisors (counting 21273428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001001001101101010100
3
Ternary
1111000210122202
4
Quaternary
1101021231110
5
Quinary
20421222203
6
Senary
2035544032
8
Octal
121115524
10
Decimal
21273428
12
Duodecimal
715b018
16
Hexadecimal
1449b54
20
Vigesimal
6cj3b8
36
Base36
cnyok
md5
8bea93fa0bdcb94648507468f0bbe10f
sha1
cf2889be9222426c9a1bf5c7bce69ea999ddca8a
sha256
5f603ca2232d172cd6048f8fad56cf23eb799d1aa5de53672649970f6afe0e98
sha512
0e60fa1e7353e3ba85511a02384af4cbaf4f8885d5c79a286a0cc5878bbeb538fab6fc82017bce22cc52a1703d986fed5a2caba53266a500595a79d473c4c772
ripemd-160
32af50b746546b8b106fb2d90b1739076da50014
Diameter
42546856
Circumference
133664890.24294
Area
1.4217552093556E+15
Volume
4.0327476106468E+22
Surface area
5.6870208374223E+15
Circumference
133664890.24294
Perimeter
85093712
Area
452558738871184
Diagonal
30085170.395768
Surface area
2715352433227104
Volume
9.6274757471469E+21
Space diagonal
36846658.147158
Perimeter
63820284
Area
1.9596368228355E+14
Altitude
18423329.073579
Surface area
1.9596368228355E+14
Volume
1.1346088977528E+21
Height
10028390.131923