28687533 (number)

28687533 is an odd 8-digits composite number following 28687532 and preceding 28687534. In scientific notation, it is written as 2.8687533 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 16358400 positive integers (up to 28687533) that are relatively prime to 28687533.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand five hundred thirty-three

Notation

Scientific notation 2.8687533 × 10^7
Engineering notation 2.8687533 × 10^6

Prime Factorization of 28687533

Prime Factorization 21 × 601 × 2273

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28687533
Product of the distinct prime numbers

The prime factorization of 28687533 is 21 × 601 × 2273. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28687533)

Multiplication

n×y
n×2 57375066
n×3 86062599
n×4 114750132
n×5 143437665

Division

n÷y
n÷2 14343766.5
n÷3 9562511
n÷3 7171883.25
n÷5 5737506.6

Exponentiation

ny
n2 822974549626089
n3 2.3609109550559E+22
n4 6.7728710933226E+29
n5 1.9429696299444E+37

Nth Root

y√n
2√n 5356.0744020224
3√n 306.12425002469
4√n 73.18520616916
5√n 31.012633050247

Divisors of 28687533

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 -28687532
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 28687533 can be divided by 8 positive divisors. The sum of these divisors (counting 28687533) is 1, the average is 0.125.

Base conversion 28687533

Base System Value
2 Binary 1101101011011110010101101
3 Ternary 1222222110220020
4 Quaternary 1231123302231
5 Quinary 24321000113
6 Senary 2502512353
8 Octal 155336255
10 Decimal 28687533
12 Duodecimal 97356b9
16 Hexadecimal 1b5bcad
20 Vigesimal 8j5igd
36 Base36 h2vfx

Cryptographic Hash Functions

md5 02bf30828c7c68aa8ff5e4569fae272a
sha1 78b28c521bf16057c4d1438fc253cdb100a3ffcc
sha256 a89d047a76c518be228f64caccb2577b07805a93de65d7de51b039b8aa23bfe1
sha512 fec4857de705c0fdd0f5a0b99404b2f3257f3e42cbddf3fdff562f23e1d96a40ea54f50cbf924974505423f29a7b816a865e1d1f384d7484b83e25981b4343e0
ripemd-160 17ac84ec2d08d1cfb734eef284aa64bdb60ed049

28687533 as geometric shapes

Circle

Radius = n
Diameter 57375066
Circumference 180249085.84483
Area 2.5854507991967E+15

Sphere

Radius = n
Volume 9.8893606829109E+22
Surface area 1.0341803196787E+16
Circumference 180249085.84483

Square

Length = n
Perimeter 114750132
Area 822974549626089
Diagonal 40570298.239626

Cube

Length = n
Surface area 4937847297756534
Volume 2.3609109550559E+22
Space diagonal 49688264.699809

Equilateral Triangle

Length = n
Perimeter 86062599
Area 3.5635843332213E+14
Altitude 24844132.349904

Triangular Pyramid

Length = n
Surface area 3.5635843332213E+14
Volume 2.782360243496E+21
Height 13523432.746542