28261421 is an odd 8-digits prime number following 28261420
and preceding 28261422 . In scientific notation, it is written as 2.8261421 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 28261420 positive integers (up to 28261421) that are relatively prime to 28261421.
28261421 has 2 divisors, whose sum is 28261422
The reverse of 28261421 is 12416282
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-eight million two hundred sixty-one thousand four hundred twenty-one
Scientific notation
2.8261421 × 10^7
Engineering notation
2.8261421 × 10^6
Prime Factorization
28261421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28261421
Product of the distinct prime numbers
The prime factorization of 28261421 is 28261421.
Since it has a total of 1 prime factors.
2 , 10 , 65 , 52 , 409 , 596 , 8649 , 7503 , 47400 , 35557 , 358840 , 899420 , 1090780 , 3839778 , 42858021 , 82737190 , 79519402 , 141321163 , 3251672910 , 4148547963
n×2
56522842
n×3
84784263
n×4
113045684
n×5
141307105
n÷2
14130710.5
n÷3
9420473.6666667
n÷3
7065355.25
n÷5
5652284.2
n2
798707916939241
n3
2.2572620696653E+22
n4
6.3793433658142E+29
n5
1.8028930856483E+37
2 √n
5316.1471951029
3 √n
304.6010047409
4 √n
72.911913944861
5 √n
30.919951136829
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28261422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14130711
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5316.1472891559
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999292322
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28261421 can be divided by 2 positive divisors.
The sum of these divisors (counting 28261421) is 28261422, the average is 14130711.
Base
System
Value
2
Binary
1101011110011110000101101
3
Ternary
1222011211101022
4
Quaternary
1223303300231
5
Quinary
24213331141
6
Senary
2445423525
8
Octal
153636055
10
Decimal
28261421
12
Duodecimal
956aba5
16
Hexadecimal
1af3c2d
20
Vigesimal
8gcdb1
36
Base36
gtqnh
md5
80c5c46de1fd06bf55133e5c228a025b
sha1
536a397e42efb5bbcd3a9932135fa0890928fe4a
sha256
f1811b709bf15255d65f51964a9650bf1071c7a903055d088b845acb53d126b8
sha512
9472d60e4204e9dac4203661673d4c3e09f3e0e4fee7be6f2891a8f0431a3b17ccb26cc3ea684eefd3b079a8e7a273d6b46a14936b5d2702e875dd6124e18e8c
ripemd-160
b6196ced8d5d9815c84b18d08a86712f86d85390
Diameter
56522842
Circumference
177571745.18722
Area
2.5092149242203E+15
Volume
9.4551972470498E+22
Surface area
1.0036859696881E+16
Circumference
177571745.18722
Perimeter
113045684
Area
798707916939241
Diagonal
39967684.870136
Surface area
4792247501635446
Volume
2.2572620696653E+22
Space diagonal
48950217.066094
Perimeter
84784263
Area
3.4585067313657E+14
Altitude
24475108.533047
Surface area
3.4585067313657E+14
Volume
2.6602088606258E+21
Height
13322561.623379