28261421 (number)

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.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation 2.8261421 × 10^7
Engineering notation 2.8261421 × 10^6

Prime Factorization of 28261421

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.

Most popular turbo-numbers

Basic calculations (n = 28261421)

Multiplication

n×y
n×2 56522842
n×3 84784263
n×4 113045684
n×5 141307105

Division

n÷y
n÷2 14130710.5
n÷3 9420473.6666667
n÷3 7065355.25
n÷5 5652284.2

Exponentiation

ny
n2 798707916939241
n3 2.2572620696653E+22
n4 6.3793433658142E+29
n5 1.8028930856483E+37

Nth Root

y√n
2√n 5316.1471951029
3√n 304.6010047409
4√n 72.911913944861
5√n 30.919951136829

Divisors of 28261421

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 conversion 28261421

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

Cryptographic Hash Functions

md5 80c5c46de1fd06bf55133e5c228a025b
sha1 536a397e42efb5bbcd3a9932135fa0890928fe4a
sha256 f1811b709bf15255d65f51964a9650bf1071c7a903055d088b845acb53d126b8
sha512 9472d60e4204e9dac4203661673d4c3e09f3e0e4fee7be6f2891a8f0431a3b17ccb26cc3ea684eefd3b079a8e7a273d6b46a14936b5d2702e875dd6124e18e8c
ripemd-160 b6196ced8d5d9815c84b18d08a86712f86d85390

28261421 as geometric shapes

Circle

Radius = n
Diameter 56522842
Circumference 177571745.18722
Area 2.5092149242203E+15

Sphere

Radius = n
Volume 9.4551972470498E+22
Surface area 1.0036859696881E+16
Circumference 177571745.18722

Square

Length = n
Perimeter 113045684
Area 798707916939241
Diagonal 39967684.870136

Cube

Length = n
Surface area 4792247501635446
Volume 2.2572620696653E+22
Space diagonal 48950217.066094

Equilateral Triangle

Length = n
Perimeter 84784263
Area 3.4585067313657E+14
Altitude 24475108.533047

Triangular Pyramid

Length = n
Surface area 3.4585067313657E+14
Volume 2.6602088606258E+21
Height 13322561.623379