28493893 (number)

28493893 is an odd 8-digits composite number following 28493892 and preceding 28493894. In scientific notation, it is written as 2.8493893 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 27340800 positive integers (up to 28493893) that are relatively prime to 28493893.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8493893 × 10^7
Engineering notation 2.8493893 × 10^6

Prime Factorization of 28493893

Prime Factorization 41 × 61 × 11393

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28493893
Product of the distinct prime numbers

The prime factorization of 28493893 is 41 × 61 × 11393. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 17, 30, 26, 604, 7287, 8108, 18971, 81882, 390902, 154997, 8103340, 8105968, 38131771, 54933071, 864698125, 869697421, 4410427069, 8897121380

Basic calculations (n = 28493893)

Multiplication

n×y
n×2 56987786
n×3 85481679
n×4 113975572
n×5 142469465

Division

n÷y
n÷2 14246946.5
n÷3 9497964.3333333
n÷3 7123473.25
n÷5 5698778.6

Exponentiation

ny
n2 811901938295449
n3 2.3134246956283E+22
n4 6.5918475740791E+29
n5 1.8782739944812E+37

Nth Root

y√n
2√n 5337.9671224165
3√n 305.43391789934
4√n 73.061392831074
5√n 30.970652678879

Divisors of 28493893

1, 41, 61, 2501, 11393, 467113, 694973, 28493893

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 -28493892
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 28493893 can be divided by 8 positive divisors. The sum of these divisors (counting 28493893) is 1, the average is 0.125.

Base conversion 28493893

Base System Value
2 Binary 1101100101100100001000101
3 Ternary 1222121122021101
4 Quaternary 1230230201011
5 Quinary 24243301033
6 Senary 2454420101
8 Octal 154544105
10 Decimal 28493893
12 Duodecimal 9661631
16 Hexadecimal 1b2c845
20 Vigesimal 8i1eed
36 Base36 gyq11

Cryptographic Hash Functions

md5 dfb8081f71f2522c9d355876e6b3bb28
sha1 c8db5b35cf835a9040a30b4723fb3fc581707fc3
sha256 25e60082bca186ad0f35074b6fffd56e56ba8f2054f4f823d2d007976d5b27bf
sha512 e51b5462bbb221ccc5027accda9be1e78372db0b76c82ad364b7a5ee558503b1dac7eecb38993f9479c84b6defe663f5eec3bd685a2b4a9293c820f09c973fff
ripemd-160 cf13c3a447affc242874fd4f46537814d8923ea7

28493893 as geometric shapes

Circle

Radius = n
Diameter 56987786
Circumference 179032409.84195
Area 2.5506651647843E+15

Sphere

Radius = n
Volume 9.6904507045588E+22
Surface area 1.0202660659137E+16
Circumference 179032409.84195

Square

Length = n
Perimeter 113975572
Area 811901938295449
Diagonal 40296449.925408

Cube

Length = n
Surface area 4871411629772694
Volume 2.3134246956283E+22
Space diagonal 49352870.381431

Equilateral Triangle

Length = n
Perimeter 85481679
Area 3.5156385197284E+14
Altitude 24676435.190716

Triangular Pyramid

Length = n
Surface area 3.5156385197284E+14
Volume 2.726397150072E+21
Height 13432149.975136