28757984 (number)

28757984 is an even 8-digits composite number following 28757983 and preceding 28757985. In scientific notation, it is written as 2.8757984 × 10^7. The sum of its digits is 50. It has a total of 7 prime factors and 24 positive divisors. There are 14072320 positive integers (up to 28757984) that are relatively prime to 28757984.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-seven thousand nine hundred eighty-four

Notation

Scientific notation 2.8757984 × 10^7
Engineering notation 2.8757984 × 10^6

Prime Factorization of 28757984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 47 × 19121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1797374
Product of the distinct prime numbers

The prime factorization of 28757984 is 2 × 2 × 2 × 2 × 2 × 47 × 19121. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28757984)

Multiplication

n×y
n×2 57515968
n×3 86273952
n×4 115031936
n×5 143789920

Division

n÷y
n÷2 14378992
n÷3 9585994.6666667
n÷3 7189496
n÷5 5751596.8

Exponentiation

ny
n2 827021643744256
n3 2.3783475198451E+22
n4 6.8396479922145E+29
n5 1.9669448752574E+37

Nth Root

y√n
2√n 5362.6471075393
3√n 306.3746390351
4√n 73.230097006213
5√n 31.027850308007

Divisors of 28757984

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28757983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28757984 can be divided by 24 positive divisors. The sum of these divisors (counting 28757984) is 1, the average is 0.041666666666667.

Base conversion 28757984

Base System Value
2 Binary 1101101101100111111100000
3 Ternary 2000010001112112
4 Quaternary 1231230333200
5 Quinary 24330223414
6 Senary 2504214452
8 Octal 155547740
10 Decimal 28757984
12 Duodecimal 976a428
16 Hexadecimal 1b6cfe0
20 Vigesimal 8jeej4
36 Base36 h4dsw

Cryptographic Hash Functions

md5 f450d72b0e59d679d6627b8a0dacbb30
sha1 cd364cbe7be5e8711eb7a96e7413e9930afda469
sha256 ea8b2103f3882d653ad902b5f2142a018459d5a5af08eff3e98bfd1cd272716a
sha512 cd5a91203f9f26f4d28c0942ac76f43736cdca734172139d7a15ccc0a775d34370079c9e57a09be36af931f4844f39debc372b3944c1b62ab9654ea2c0af5cb7
ripemd-160 e89a12c7ec4878e2c14ea2407b3d86b4f09aaf5e

28757984 as geometric shapes

Circle

Radius = n
Diameter 57515968
Circumference 180691742.53291
Area 2.5981651203467E+15

Sphere

Radius = n
Volume 9.9623987947052E+22
Surface area 1.0392660481387E+16
Circumference 180691742.53291

Square

Length = n
Perimeter 115031936
Area 827021643744256
Diagonal 40669930.999308

Cube

Length = n
Surface area 4962129862465536
Volume 2.3783475198451E+22
Space diagonal 49810289.411253

Equilateral Triangle

Length = n
Perimeter 86273952
Area 3.5811087648104E+14
Altitude 24905144.705626

Triangular Pyramid

Length = n
Surface area 3.5811087648104E+14
Volume 2.8029094321678E+21
Height 13556643.666436