28687532 (number)

28687532 is an even 8-digits composite number following 28687531 and preceding 28687533. In scientific notation, it is written as 2.8687532 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 13720080 positive integers (up to 28687532) that are relatively prime to 28687532.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687532 × 10^7
Engineering notation 2.8687532 × 10^6

Prime Factorization of 28687532

Prime Factorization 2 × 2 × 23 × 311821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14343766
Product of the distinct prime numbers

The prime factorization of 28687532 is 2 × 2 × 23 × 311821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 98, 16, 430, 644, 3548, 7645, 15992, 66461, 691566, 214654, 654630, 6988806, 76231353, 28261710, 550525987, 439162052, 3656455969, 8753287183

Basic calculations (n = 28687532)

Multiplication

n×y
n×2 57375064
n×3 86062596
n×4 114750128
n×5 143437660

Division

n÷y
n÷2 14343766
n÷3 9562510.6666667
n÷3 7171883
n÷5 5737506.4

Exponentiation

ny
n2 822974492251024
n3 2.3609107081635E+22
n4 6.7728701489583E+29
n5 1.9429692913009E+37

Nth Root

y√n
2√n 5356.0743086705
3√n 306.12424646769
4√n 73.185205531381
5√n 31.012632834037

Divisors of 28687532

1, 2, 4, 23, 46, 92, 311821, 623642, 1247284, 7171883, 14343766, 28687532

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28687531
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28687532 can be divided by 12 positive divisors. The sum of these divisors (counting 28687532) is 1, the average is 0.083333333333333.

Base conversion 28687532

Base System Value
2 Binary 1101101011011110010101100
3 Ternary 1222222110220012
4 Quaternary 1231123302230
5 Quinary 24321000112
6 Senary 2502512352
8 Octal 155336254
10 Decimal 28687532
12 Duodecimal 97356b8
16 Hexadecimal 1b5bcac
20 Vigesimal 8j5igc
36 Base36 h2vfw

Cryptographic Hash Functions

md5 556ce9393424e74fb70cbdb8890679ef
sha1 ccc0362b0e1ed065d50be4935cee0dadff4402b3
sha256 90f8efcdd57421b6804a63c3aee977c14893a5a38579e7d5639baa582d8e3115
sha512 1f82b87df912f00415a53e26f7454afabb2b8a1845455cd4d53addd3d31251ead08e67661526119867a5c9f9fca6e6fe054c6d6ac5d617ac885c83c0b853e072
ripemd-160 7a98ce4057037342a9b6f44337b237546cf0fee6

28687532 as geometric shapes

Circle

Radius = n
Diameter 57375064
Circumference 180249079.56164
Area 2.5854506189476E+15

Sphere

Radius = n
Volume 9.8893596487306E+22
Surface area 1.034180247579E+16
Circumference 180249079.56164

Square

Length = n
Perimeter 114750128
Area 822974492251024
Diagonal 40570296.825412

Cube

Length = n
Surface area 4937846953506144
Volume 2.3609107081635E+22
Space diagonal 49688262.967758

Equilateral Triangle

Length = n
Perimeter 86062596
Area 3.5635840847799E+14
Altitude 24844131.483879

Triangular Pyramid

Length = n
Surface area 3.5635840847799E+14
Volume 2.7823599525306E+21
Height 13523432.275137