28687625 (number)

28687625 is an odd 8-digits composite number following 28687624 and preceding 28687626. In scientific notation, it is written as 2.8687625 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 32 positive divisors. There are 21196800 positive integers (up to 28687625) that are relatively prime to 28687625.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687625 × 10^7
Engineering notation 2.8687625 × 10^6

Prime Factorization of 28687625

Prime Factorization 25 × 5 × 19 × 47 × 257

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28687625
Product of the distinct prime numbers

The prime factorization of 28687625 is 25 × 5 × 19 × 47 × 257. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 45, 78, 240, 453, 6260, 1836, 55339, 54708, 53215, 363685, 192749, 20482, 69546180, 39931413, 568606681, 689847843, 635852321, 6260128447

Basic calculations (n = 28687625)

Multiplication

n×y
n×2 57375250
n×3 86062875
n×4 114750500
n×5 143438125

Division

n÷y
n÷2 14343812.5
n÷3 9562541.6666667
n÷3 7171906.25
n÷5 5737525

Exponentiation

ny
n2 822979828140625
n3 2.3609336692263E+22
n4 6.7729579752637E+29
n5 1.9430007853513E+37

Nth Root

y√n
2√n 5356.0829903951
3√n 306.12457726789
4√n 73.185264844743
5√n 31.012652941526

Divisors of 28687625

1, 5, 19, 25, 47, 95, 125, 235, 257, 475, 893, 1175, 1285, 2375, 4465, 4883, 5875, 6425, 12079, 22325, 24415, 32125, 60395, 111625, 122075, 229501, 301975, 610375, 1147505, 1509875, 5737525, 28687625

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28687624
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28687625 can be divided by 32 positive divisors. The sum of these divisors (counting 28687625) is 1, the average is 0.03125.

Base conversion 28687625

Base System Value
2 Binary 1101101011011110100001001
3 Ternary 1222222111000122
4 Quaternary 1231123310021
5 Quinary 24321001000
6 Senary 2502513025
8 Octal 155336411
10 Decimal 28687625
12 Duodecimal 9735775
16 Hexadecimal 1b5bd09
20 Vigesimal 8j5j15
36 Base36 h2vih

Cryptographic Hash Functions

md5 ee0dbc82d112548a2b70b662e910ae3b
sha1 bd0fe859252212438aecb245e92aca69c4b0b740
sha256 f217b10422e44324facf24341e49db7936e06989f7188db9ef26a41401eec9fb
sha512 c12866e75be27695363f70816fd9fad66187fc9d3e5c6ecd0a5f896c8306cedc9c42ec0a61a585514d4c149f18769dbee94b2952949fbcefdd041cdb5620c652
ripemd-160 b10985290f769d875b6be80bae19bbac178c7e0d

28687625 as geometric shapes

Circle

Radius = n
Diameter 57375250
Circumference 180249663.89788
Area 2.5854673821392E+15

Sphere

Radius = n
Volume 9.8894558278054E+22
Surface area 1.0341869528557E+16
Circumference 180249663.89788

Square

Length = n
Perimeter 114750500
Area 822979828140625
Diagonal 40570428.347273

Cube

Length = n
Surface area 4937878968843750
Volume 2.3609336692263E+22
Space diagonal 49688424.048483

Equilateral Triangle

Length = n
Perimeter 86062875
Area 3.5636071898597E+14
Altitude 24844212.024242

Triangular Pyramid

Length = n
Surface area 3.5636071898597E+14
Volume 2.7823870124026E+21
Height 13523476.115758