28687534 (number)

28687534 is an even 8-digits composite number following 28687533 and preceding 28687535. In scientific notation, it is written as 2.8687534 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 13428352 positive integers (up to 28687534) that are relatively prime to 28687534.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687534 × 10^7
Engineering notation 2.8687534 × 10^6

Prime Factorization of 28687534

Prime Factorization 2 × 17 × 197 × 4283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28687534
Product of the distinct prime numbers

The prime factorization of 28687534 is 2 × 17 × 197 × 4283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 30, 67, 285, 490, 5152, 4156, 13170, 72970, 957591, 691568, 7393668, 72101, 56443381, 12062443, 950717941, 829778454, 1113902557, 643436346

Basic calculations (n = 28687534)

Multiplication

n×y
n×2 57375068
n×3 86062602
n×4 114750136
n×5 143437670

Division

n÷y
n÷2 14343767
n÷3 9562511.3333333
n÷3 7171883.5
n÷5 5737506.8

Exponentiation

ny
n2 822974607001156
n3 2.3609112019482E+22
n4 6.7728720376871E+29
n5 1.942969968588E+37

Nth Root

y√n
2√n 5356.0744953744
3√n 306.12425358168
4√n 73.185206806939
5√n 31.012633266457

Divisors of 28687534

1, 2, 17, 34, 197, 394, 3349, 4283, 6698, 8566, 72811, 145622, 843751, 1687502, 14343767, 28687534

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28687533
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28687534 can be divided by 16 positive divisors. The sum of these divisors (counting 28687534) is 1, the average is 0.0625.

Base conversion 28687534

Base System Value
2 Binary 1101101011011110010101110
3 Ternary 1222222110220021
4 Quaternary 1231123302232
5 Quinary 24321000114
6 Senary 2502512354
8 Octal 155336256
10 Decimal 28687534
12 Duodecimal 97356ba
16 Hexadecimal 1b5bcae
20 Vigesimal 8j5ige
36 Base36 h2vfy

Cryptographic Hash Functions

md5 1577093630cc9e40603025fc5daadaea
sha1 8b3b3e0f58489e014d6074d839eb0e6541621bfe
sha256 1d6c91195c169ec79927c689c1cd040f41954f4f35970d3be8ecaff294a61154
sha512 a1dd0bc7df408c3f6aa522aef3de3a691da5ac6c3ece8281719f7561f202edd89dbce4b76f3a010befed4a8ded74be2b6e11b710d7582565cd27fa7705fe730f
ripemd-160 c740b445fbe72366f59e247d8eab553b44bbe202

28687534 as geometric shapes

Circle

Radius = n
Diameter 57375068
Circumference 180249092.12801
Area 2.5854509794458E+15

Sphere

Radius = n
Volume 9.8893617170912E+22
Surface area 1.0341803917783E+16
Circumference 180249092.12801

Square

Length = n
Perimeter 114750136
Area 822974607001156
Diagonal 40570299.653839

Cube

Length = n
Surface area 4937847642006936
Volume 2.3609112019482E+22
Space diagonal 49688266.43186

Equilateral Triangle

Length = n
Perimeter 86062602
Area 3.5635845816626E+14
Altitude 24844133.21593

Triangular Pyramid

Length = n
Surface area 3.5635845816626E+14
Volume 2.7823605344615E+21
Height 13523433.217946