28304891 (number)

28304891 is an odd 8-digits composite number following 28304890 and preceding 28304892. In scientific notation, it is written as 2.8304891 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 27106560 positive integers (up to 28304891) that are relatively prime to 28304891.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred four thousand eight hundred ninety-one

Notation

Scientific notation 2.8304891 × 10^7
Engineering notation 2.8304891 × 10^6

Prime Factorization of 28304891

Prime Factorization 31 × 97 × 9413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28304891
Product of the distinct prime numbers

The prime factorization of 28304891 is 31 × 97 × 9413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28304891)

Multiplication

n×y
n×2 56609782
n×3 84914673
n×4 113219564
n×5 141524455

Division

n÷y
n÷2 14152445.5
n÷3 9434963.6666667
n÷3 7076222.75
n÷5 5660978.2

Exponentiation

ny
n2 801166854521881
n3 2.2676940490055E+22
n4 6.4186832878448E+29
n5 1.8168013082597E+37

Nth Root

y√n
2√n 5320.2341113902
3√n 304.75709765444
4√n 72.939934956032
5√n 30.929457127905

Divisors of 28304891

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28304890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28304891 can be divided by 8 positive divisors. The sum of these divisors (counting 28304891) is 1, the average is 0.125.

Base conversion 28304891

Base System Value
2 Binary 1101011111110010111111011
3 Ternary 1222021001000022
4 Quaternary 1223332113323
5 Quinary 24221224031
6 Senary 2450401055
8 Octal 153762773
10 Decimal 28304891
12 Duodecimal 959018b
16 Hexadecimal 1afe5fb
20 Vigesimal 8gi24b
36 Base36 guo6z

Cryptographic Hash Functions

md5 ab89d51fa210e6d6088d3eb3c9eab93c
sha1 5ec9dbd5fad8d425d00ee730a3bcffeb5b1cf498
sha256 4e8678a81bdbf128207d1b956da8f5146bdba2aae35c75c0d1503e9786db506d
sha512 eab8c6ae82e0d2daafe7b6b65aefd0368ad7f0b6751d954c9b39fe83a240386b09c5d5a850f018fbce9aa294ed18814e69377ad47b427794570a52eae2732d90
ripemd-160 1c0529931a62fb2d36e54ae55a2e94392dad29c9

28304891 as geometric shapes

Circle

Radius = n
Diameter 56609782
Circumference 177844875.25252
Area 2.5169399044656E+15

Sphere

Radius = n
Volume 9.4988946199265E+22
Surface area 1.0067759617862E+16
Circumference 177844875.25252

Square

Length = n
Perimeter 113219564
Area 801166854521881
Diagonal 40029160.733692

Cube

Length = n
Surface area 4807001127131286
Volume 2.2676940490055E+22
Space diagonal 49025509.314699

Equilateral Triangle

Length = n
Perimeter 84914673
Area 3.4691542434301E+14
Altitude 24512754.65735

Triangular Pyramid

Length = n
Surface area 3.4691542434301E+14
Volume 2.6725030661802E+21
Height 13343053.577897