28687542 (number)

28687542 is an even 8-digits composite number following 28687541 and preceding 28687543. In scientific notation, it is written as 2.8687542 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 8826912 positive integers (up to 28687542) that are relatively prime to 28687542.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687542 × 10^7
Engineering notation 2.8687542 × 10^6

Prime Factorization of 28687542

Prime Factorization 2 × 3 × 13 × 367789

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28687542
Product of the distinct prime numbers

The prime factorization of 28687542 is 2 × 3 × 13 × 367789. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 53, 52, 959, 415, 1136, 6040, 97512, 57739, 834066, 613385, 471425, 1199911, 27384297, 26448501, 594915438, 410284768, 8338895712, 1084712775

Basic calculations (n = 28687542)

Multiplication

n×y
n×2 57375084
n×3 86062626
n×4 114750168
n×5 143437710

Division

n÷y
n÷2 14343771
n÷3 9562514
n÷3 7171885.5
n÷5 5737508.4

Exponentiation

ny
n2 822975066001764
n3 2.3609131770878E+22
n4 6.7728795926061E+29
n5 1.9429726777383E+37

Nth Root

y√n
2√n 5356.0752421899
3√n 306.12428203764
4√n 73.185211909169
5√n 31.012634996135

Divisors of 28687542

1, 2, 3, 6, 13, 26, 39, 78, 367789, 735578, 1103367, 2206734, 4781257, 9562514, 14343771, 28687542

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 -28687541
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 28687542 can be divided by 16 positive divisors. The sum of these divisors (counting 28687542) is 1, the average is 0.0625.

Base conversion 28687542

Base System Value
2 Binary 1101101011011110010110110
3 Ternary 1222222110220120
4 Quaternary 1231123302312
5 Quinary 24321000132
6 Senary 2502512410
8 Octal 155336266
10 Decimal 28687542
12 Duodecimal 9735706
16 Hexadecimal 1b5bcb6
20 Vigesimal 8j5ih2
36 Base36 h2vg6

Cryptographic Hash Functions

md5 c8da773e0828ef03391d1bd2950e797b
sha1 4b44a5ac2256e1cde7b05fe768791b86a24d4c1f
sha256 4aa32e73c05d4a326f07a5c8f3db369a9777e7586a04ae0d9aaa7a2a49f54543
sha512 118278c05c5b78db6c1db0262839fd8f7848d0bcfd3b9ceaacef8c3df2b03da2f177ae3ad528daf34f4884d2005672c428a835ef5f315d12952b6e663e731d2e
ripemd-160 43923f3da058ad70328dc78d3875c7eea8e8d721

28687542 as geometric shapes

Circle

Radius = n
Diameter 57375084
Circumference 180249142.3935
Area 2.5854524214387E+15

Sphere

Radius = n
Volume 9.8893699905367E+22
Surface area 1.0341809685755E+16
Circumference 180249142.3935

Square

Length = n
Perimeter 114750168
Area 822975066001764
Diagonal 40570310.967548

Cube

Length = n
Surface area 4937850396010584
Volume 2.3609131770878E+22
Space diagonal 49688280.288266

Equilateral Triangle

Length = n
Perimeter 86062626
Area 3.5635865691935E+14
Altitude 24844140.144133

Triangular Pyramid

Length = n
Surface area 3.5635865691935E+14
Volume 2.7823628621858E+21
Height 13523436.989183