21282743 is an odd 8-digits prime number following 21282742
and preceding 21282744 . In scientific notation, it is written as 2.1282743 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21282742 positive integers (up to 21282743) that are relatively prime to 21282743.
21282743 has 2 divisors, whose sum is 21282744
The reverse of 21282743 is 34728212
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 29 Digital Root 2
Name
twenty-one million two hundred eighty-two thousand seven hundred forty-three
Scientific notation
2.1282743 × 10^7
Engineering notation
2.1282743 × 10^6
Prime Factorization
21282743
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21282743 Product of the distinct prime numbers
The prime factorization of 21282743 is 21282743.
Since it has a total of 1 prime factors.
7 , 9 , 43 , 89 , 888 , 985 , 7828 , 9671 , 54484 , 23532 , 147540 , 263000 , 1556051 , 4553048 , 54581102 , 27491676 , 616335661 , 317537476 , 1672847301 , 3922178835
n×2
42565486
n×3
63848229
n×4
85130972
n×5
106413715
n÷2
10641371.5
n÷3
7094247.6666667
n÷3
5320685.75
n÷5
4256548.6
n2
452955149604049
n3
9.6401280395495E+21
n4
2.0516836755283E+29
n5
4.3665456383563E+36
2 √n4613.3223386189
3 √n277.12510260068
4 √n67.92144240679
5 √n29.214975076546
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21282744 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10641372 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4613.3224470006 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999060272 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21282743 can be divided by 2 positive divisors.
The sum of these divisors (counting 21282743) is 21282744, the average is 10641372.
Base
System
Value
2
Binary
1010001001011111110110111
3
Ternary
1111001021102202
4
Quaternary
1101023332313
5
Quinary
20422021433
6
Senary
2040055115
8
Octal
121137667
10
Decimal
21282743
12
Duodecimal
716449b
16
Hexadecimal
144bfb7
20
Vigesimal
6d06h3
36
Base36
co5vb
md5
34c1903a1d5875ea604600ada83c5ca3
sha1
7752d37773a31bc1b2f3965e4878f5920e834719
sha256
c387d673e163b93c4e8e1638d1b3795ef0e58fc9eef2490ed1ecfc155f4f8c7d
sha512
3d3b19276fb1aab35b760e12f8bec9c5cfbf7b9d62d53d96460de3ed73203ca2ebf5827bb9725a8b11e5957bd44b064837d43d192ea6070352b6bb5e234b32a3
ripemd-160
d3e8b497ba1553895d603ec1bca967b7183748c1
Diameter
42565486
Circumference
133723418.11408
Area
1.4230005704017E+15
Volume
4.0380473904952E+22
Surface area
5.692002281607E+15
Circumference
133723418.11408
Perimeter
85130972
Area
452955149604049
Diagonal
30098343.795101
Surface area
2717730897624294
Volume
9.6401280395495E+21
Space diagonal
36862792.200431
Perimeter
63848229
Area
1.9613533316604E+14
Altitude
18431396.100215
Surface area
1.9613533316604E+14
Volume
1.136099984712E+21
Height
10032781.265034