28687966 (number)

28687966 is an even 8-digits composite number following 28687965 and preceding 28687967. In scientific notation, it is written as 2.8687966 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 14010360 positive integers (up to 28687966) that are relatively prime to 28687966.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand nine hundred sixty-six

Notation

Scientific notation 2.8687966 × 10^7
Engineering notation 2.8687966 × 10^6

Prime Factorization of 28687966

Prime Factorization 2 × 43 × 333581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28687966
Product of the distinct prime numbers

The prime factorization of 28687966 is 2 × 43 × 333581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 3, 19, 25, 554, 23, 951, 1756, 17279, 53760, 891481, 17881, 9007268, 3136156, 39025199, 29129468, 722364904, 631042584, 4280827358, 8137511604

Basic calculations (n = 28687966)

Multiplication

n×y
n×2 57375932
n×3 86063898
n×4 114751864
n×5 143439830

Division

n÷y
n÷2 14343983
n÷3 9562655.3333333
n÷3 7171991.5
n÷5 5737593.2

Exponentiation

ny
n2 822999393217156
n3 2.3610178610634E+22
n4 6.7732800123581E+29
n5 1.9431162670301E+37

Nth Root

y√n
2√n 5356.1148232651
3√n 306.12579019585
4√n 73.185482325835
5√n 31.012726668538

Divisors of 28687966

1, 2, 43, 86, 333581, 667162, 14343983, 28687966

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 -28687965
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 28687966 can be divided by 8 positive divisors. The sum of these divisors (counting 28687966) is 1, the average is 0.125.

Base conversion 28687966

Base System Value
2 Binary 1101101011011111001011110
3 Ternary 1222222111111021
4 Quaternary 1231123321132
5 Quinary 24321003331
6 Senary 2502514354
8 Octal 155337136
10 Decimal 28687966
12 Duodecimal 97359ba
16 Hexadecimal 1b5be5e
20 Vigesimal 8j5ji6
36 Base36 h2vry

Cryptographic Hash Functions

md5 a1995e5290b0e609e410f07f31e9d9aa
sha1 cd7f3845e0d27c2d97383d2ae2cb30f1a9e31d75
sha256 78f35805463430080c72cdf79479f6f974a2c4de5a5d5cbd0be5d60fbdd716ce
sha512 ad8ba16e11ee8fe1bb1641fd3a3ad7f3f4317210addd02fa44518a9faf673e61d9079cd2ff5c78ffef0ef95972d0ac9346536853fe7a434d10a48bbd42f11f5b
ripemd-160 f5dfc7fc63e56af53634456b747e30dbb2dad916

28687966 as geometric shapes

Circle

Radius = n
Diameter 57375932
Circumference 180251806.46407
Area 2.5855288476399E+15

Sphere

Radius = n
Volume 9.8898084897483E+22
Surface area 1.0342115390559E+16
Circumference 180251806.46407

Square

Length = n
Perimeter 114751864
Area 822999393217156
Diagonal 40570910.594098

Cube

Length = n
Surface area 4937996359302936
Volume 2.3610178610634E+22
Space diagonal 49689014.677808

Equilateral Triangle

Length = n
Perimeter 86063898
Area 3.5636919091262E+14
Altitude 24844507.338904

Triangular Pyramid

Length = n
Surface area 3.5636919091262E+14
Volume 2.7824862334342E+21
Height 13523636.864699