28291457 (number)

28291457 is an odd 8-digits prime number following 28291456 and preceding 28291458. In scientific notation, it is written as 2.8291457 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 28291456 positive integers (up to 28291457) that are relatively prime to 28291457.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand four hundred fifty-seven

Notation

Scientific notation 2.8291457 × 10^7
Engineering notation 2.8291457 × 10^6

Prime Factorization of 28291457

Prime Factorization 28291457

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28291457
Product of the distinct prime numbers

The prime factorization of 28291457 is 28291457. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 8, 39, 85, 533, 188, 3387, 3751, 98837, 20971, 361292, 810048, 2102661, 3708401, 57528112, 9563655, 520014620, 626015524, 1889241944, 5369258500

Basic calculations (n = 28291457)

Multiplication

n×y
n×2 56582914
n×3 84874371
n×4 113165828
n×5 141457285

Division

n÷y
n÷2 14145728.5
n÷3 9430485.6666667
n÷3 7072864.25
n÷5 5658291.4

Exponentiation

ny
n2 800406539182849
n3 2.264466718581E+22
n4 6.4065062796667E+29
n5 1.8124939693142E+37

Nth Root

y√n
2√n 5318.9714231231
3√n 304.70887566185
4√n 72.931278770656
5√n 30.926520637302

Divisors of 28291457

1, 28291457

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28291458
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14145729
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5318.9715171262
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999293073
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291457 can be divided by 2 positive divisors. The sum of these divisors (counting 28291457) is 28291458, the average is 14145729.

Base conversion 28291457

Base System Value
2 Binary 1101011111011000110000001
3 Ternary 1222020100120202
4 Quaternary 1223323012001
5 Quinary 24220311312
6 Senary 2450214545
8 Octal 153730601
10 Decimal 28291457
12 Duodecimal 9584455
16 Hexadecimal 1afb181
20 Vigesimal 8gg8ch
36 Base36 gudtt

Cryptographic Hash Functions

md5 9e7d5a6575115e02248c9798b8df19e5
sha1 301f9e48f2d8d10ec7017a73609d85dbb2cb5cbd
sha256 61af6018d65b1175d94ede71fc977bed214debe9432a70aa907fe6ceeb934ec5
sha512 4d97bc47750598de89684b1df9618539014b0e43b236fb2ca389100a9c793188f84b5b63376520c0d30183eac4b61f036f36995718322bfe4c16bd4042592f3c
ripemd-160 0a947933ccedbb09887916c8dda3a41699d0caa9

28291457 as geometric shapes

Circle

Radius = n
Diameter 56582914
Circumference 177760466.9411
Area 2.5145513033821E+15

Sphere

Radius = n
Volume 9.485376009857E+22
Surface area 1.0058205213528E+16
Circumference 177760466.9411

Square

Length = n
Perimeter 113165828
Area 800406539182849
Diagonal 40010162.188695

Cube

Length = n
Surface area 4802439235097094
Volume 2.264466718581E+22
Space diagonal 49002240.94415

Equilateral Triangle

Length = n
Perimeter 84874371
Area 3.4658619814377E+14
Altitude 24501120.472075

Triangular Pyramid

Length = n
Surface area 3.4658619814377E+14
Volume 2.6686996207998E+21
Height 13336720.729565