28282021 is an odd 8-digits prime number following 28282020
and preceding 28282022 . In scientific notation, it is written as 2.8282021 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 28282020 positive integers (up to 28282021) that are relatively prime to 28282021.
28282021 has 2 divisors, whose sum is 28282022
The reverse of 28282021 is 12028282
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-eight million two hundred eighty-two thousand twenty-one
Scientific notation
2.8282021 × 10^7
Engineering notation
2.8282021 × 10^6
Prime Factorization
28282021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28282021
Product of the distinct prime numbers
The prime factorization of 28282021 is 28282021.
Since it has a total of 1 prime factors.
6 , 2 , 63 , 9 , 6 , 577 , 3610 , 5018 , 27772 , 20576 , 711235 , 602812 , 8872232 , 2208605 , 30184604 , 87669507 , 918519545 , 599134661 , 618308615 , 6515902652
n×2
56564042
n×3
84846063
n×4
113128084
n×5
141410105
n÷2
14141010.5
n÷3
9427340.3333333
n÷3
7070505.25
n÷5
5656404.2
n2
799872711844441
n3
2.2622016833711E+22
n4
6.3979635515338E+29
n5
1.8094733952171E+37
2 √n
5318.0843355479
3 √n
304.67499555607
4 √n
72.925196849566
5 √n
30.924457388393
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28282022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14141011
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5318.0844295667
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999292837
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28282021 can be divided by 2 positive divisors.
The sum of these divisors (counting 28282021) is 28282022, the average is 14141011.
Base
System
Value
2
Binary
1101011111000110010100101
3
Ternary
1222012212122021
4
Quaternary
1223320302211
5
Quinary
24220011041
6
Senary
2450103141
8
Octal
153706245
10
Decimal
28282021
12
Duodecimal
957aab1
16
Hexadecimal
1af8ca5
20
Vigesimal
8gf511
36
Base36
gu6jp
md5
6103c4e6d0d101835edd998aa41fff68
sha1
660b650b37b95d1666cea96b1cd15938d21f8445
sha256
2e5aa181ea03647c13105a209aa7a0ec55804eb6625fad7ff1593412eb60a4b5
sha512
67dc0461c3bd991ea7535f8db01d13167818adafe1dea0d1bc6d63d7505df8913bccdd59bf2538993ec4b758cad5f1c731eb3f6dd605d5b0f2b31afae17cb84a
ripemd-160
4d603c1f2897fe8cac247c0993081ce68fbbca5e
Diameter
56564042
Circumference
177701178.80454
Area
2.5128742353374E+15
Volume
9.4758882525563E+22
Surface area
1.005149694135E+16
Circumference
177701178.80454
Perimeter
113128084
Area
799872711844441
Diagonal
39996817.669521
Surface area
4799236271066646
Volume
2.2622016833711E+22
Space diagonal
48985897.31273
Perimeter
84846063
Area
3.4635504412562E+14
Altitude
24492948.656365
Surface area
3.4635504412562E+14
Volume
2.6660302512056E+21
Height
13332272.556507