28361728 (number)

28361728 is an even 8-digits composite number following 28361727 and preceding 28361729. In scientific notation, it is written as 2.8361728 × 10^7. The sum of its digits is 37. It has a total of 11 prime factors and 22 positive divisors. There are 14180352 positive integers (up to 28361728) that are relatively prime to 28361728.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred sixty-one thousand seven hundred twenty-eight

Notation

Scientific notation 2.8361728 × 10^7
Engineering notation 2.8361728 × 10^6

Prime Factorization of 28361728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 27697

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 55394
Product of the distinct prime numbers

The prime factorization of 28361728 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 27697. Since it has a total of 11 prime factors.

Most popular turbo-numbers

1, 6, 38, 51, 765, 535, 1136, 7135, 61598, 37921, 412970, 320712, 95639, 3936575, 18557662, 36444473, 204692913, 813989474, 3055783599, 9882257209

Basic calculations (n = 28361728)

Multiplication

n×y
n×2 56723456
n×3 85085184
n×4 113446912
n×5 141808640

Division

n÷y
n÷2 14180864
n÷3 9453909.3333333
n÷3 7090432
n÷5 5672345.6

Exponentiation

ny
n2 804387615145984
n3 2.2813822747339E+22
n4 6.4703943540024E+29
n5 1.8351156472095E+37

Nth Root

y√n
2√n 5325.5730208119
3√n 304.96094814885
4√n 72.97652376492
5√n 30.941868603072

Divisors of 28361728

1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 27697, 55394, 110788, 221576, 443152, 886304, 1772608, 3545216, 7090432, 14180864, 28361728

22 divisors

τ Total Divisors 22
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28361727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.045454545454545
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 22
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28361728 can be divided by 22 positive divisors. The sum of these divisors (counting 28361728) is 1, the average is 0.045454545454545.

Base conversion 28361728

Base System Value
2 Binary 1101100001100010000000000
3 Ternary 1222100220222101
4 Quaternary 1230030100000
5 Quinary 24230033403
6 Senary 2451520144
8 Octal 154142000
10 Decimal 28361728
12 Duodecimal 95b9054
16 Hexadecimal 1b0c400
20 Vigesimal 8h5468
36 Base36 gvw1s

Cryptographic Hash Functions

md5 78c6eb039b24f1812a0cd7cbc9bfcaa4
sha1 b2252055b4462c4535ec4587c53124afbcf8d40c
sha256 a96c3dea1d4955f42687b17548941a9fb8f8843089c0a949a7b740e98f65432e
sha512 b1e5f0644be9b01b004328e3199d6d0d15e390c1d321f825d06ee65f0024fc151b48415adbdfd48ec0d388998d09022ef26a2ad0ac16d0f56a2229062d1f9b0e
ripemd-160 22bb07ef27c3fe14aaca2025c6e73daf1b828179

28361728 as geometric shapes

Circle

Radius = n
Diameter 56723456
Circumference 178201992.65582
Area 2.5270582223812E+15

Sphere

Radius = n
Volume 9.5562317257787E+22
Surface area 1.0108232889525E+16
Circumference 178201992.65582

Square

Length = n
Perimeter 113446912
Area 804387615145984
Diagonal 40109540.389937

Cube

Length = n
Surface area 4826325690875904
Volume 2.2813822747339E+22
Space diagonal 49123953.886449

Equilateral Triangle

Length = n
Perimeter 85085184
Area 3.48310054603E+14
Altitude 24561976.943224

Triangular Pyramid

Length = n
Surface area 3.48310054603E+14
Volume 2.6886347949052E+21
Height 13369846.796646