28752738 (number)

28752738 is an even 8-digits composite number following 28752737 and preceding 28752739. In scientific notation, it is written as 2.8752738 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 7696512 positive integers (up to 28752738) that are relatively prime to 28752738.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-two thousand seven hundred thirty-eight

Notation

Scientific notation 2.8752738 × 10^7
Engineering notation 2.8752738 × 10^6

Prime Factorization of 28752738

Prime Factorization 2 × 3 × 133 × 263 × 137

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28752738
Product of the distinct prime numbers

The prime factorization of 28752738 is 2 × 3 × 133 × 263 × 137. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 6, 80, 35, 613, 966, 9436, 1418, 76567, 11208, 563873, 408171, 6327145, 7106949, 43274379, 7955989, 128663973, 455938837, 9787103094, 1795936918

Basic calculations (n = 28752738)

Multiplication

n×y
n×2 57505476
n×3 86258214
n×4 115010952
n×5 143763690

Division

n÷y
n÷2 14376369
n÷3 9584246
n÷3 7188184.5
n÷5 5750547.6

Exponentiation

ny
n2 826719942496644
n3 2.3770461905981E+22
n4 6.8346586332165E+29
n5 1.9651514900031E+37

Nth Root

y√n
2√n 5362.1579611198
3√n 306.3560083933
4√n 73.226757139175
5√n 31.026718212091

Divisors of 28752738

1, 2, 3, 6, 133, 137, 263, 266, 274, 399, 411, 526, 789, 798, 822, 1578, 18221, 34979, 36031, 36442, 54663, 69958, 72062, 104937, 108093, 109326, 209874, 216186, 4792123, 9584246, 14376369, 28752738

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 -28752737
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 28752738 can be divided by 32 positive divisors. The sum of these divisors (counting 28752738) is 1, the average is 0.03125.

Base conversion 28752738

Base System Value
2 Binary 1101101101011101101100010
3 Ternary 2000002210100020
4 Quaternary 1231223231202
5 Quinary 24330041423
6 Senary 2504134310
8 Octal 155535542
10 Decimal 28752738
12 Duodecimal 9767396
16 Hexadecimal 1b6bb62
20 Vigesimal 8je1gi
36 Base36 h49r6

Cryptographic Hash Functions

md5 901f32bb3b4dfa4d2ddddf800a59d3a7
sha1 9aad142818ba47811e613238f0b7ed8e64244aff
sha256 8b5a30fa0b4ffd8c5c774eff555ee5cab29ffad50ec5c832b59e2d7ed006084e
sha512 31a557a56ffdcb7fcdd545497e47282f94215f00475c6abf930a008d4a8b85e3641ede83f582694e3667329951dbadb5f32014c748b955c4e6bbdc078c6f7fee
ripemd-160 049d9dc4b54cb948ce8033ba8bfa84e39f791eb8

28752738 as geometric shapes

Circle

Radius = n
Diameter 57505476
Circumference 180658780.94278
Area 2.5972172979236E+15

Sphere

Radius = n
Volume 9.9569477995022E+22
Surface area 1.0388869191695E+16
Circumference 180658780.94278

Square

Length = n
Perimeter 115010952
Area 826719942496644
Diagonal 40662512.03496

Cube

Length = n
Surface area 4960319654979864
Volume 2.3770461905981E+22
Space diagonal 49801203.072716

Equilateral Triangle

Length = n
Perimeter 86258214
Area 3.5798023600865E+14
Altitude 24900601.536358

Triangular Pyramid

Length = n
Surface area 3.5798023600865E+14
Volume 2.8013758009426E+21
Height 13554170.67832