28165729 (number)

28165729 is an odd 8-digits composite number following 28165728 and preceding 28165730. In scientific notation, it is written as 2.8165729 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 27478720 positive integers (up to 28165729) that are relatively prime to 28165729.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-five thousand seven hundred twenty-nine

Notation

Scientific notation 2.8165729 × 10^7
Engineering notation 2.8165729 × 10^6

Prime Factorization of 28165729

Prime Factorization 41 × 686969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28165729
Product of the distinct prime numbers

The prime factorization of 28165729 is 41 × 686969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28165729)

Multiplication

n×y
n×2 56331458
n×3 84497187
n×4 112662916
n×5 140828645

Division

n÷y
n÷2 14082864.5
n÷3 9388576.3333333
n÷3 7041432.25
n÷5 5633145.8

Exponentiation

ny
n2 793308290101441
n3 2.2344106312451E+22
n4 6.2933804314367E+29
n5 1.7725764772575E+37

Nth Root

y√n
2√n 5307.1394366457
3√n 304.25682719929
4√n 72.850116243186
5√n 30.898983985435

Divisors of 28165729

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28165728
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28165729 can be divided by 4 positive divisors. The sum of these divisors (counting 28165729) is 1, the average is 0.25.

Base conversion 28165729

Base System Value
2 Binary 1101011011100011001100001
3 Ternary 1221222222010011
4 Quaternary 1223130121201
5 Quinary 24202300404
6 Senary 2443404521
8 Octal 153343141
10 Decimal 28165729
12 Duodecimal 9523741
16 Hexadecimal 1adc661
20 Vigesimal 8g0e69
36 Base36 grotd

Cryptographic Hash Functions

md5 a8a992e5c3b0273ac5cbe80d0790f67a
sha1 aa0566ffadaf02c4e071a31d8b18b1fa069c3daf
sha256 96b973295cd4a5fa623eabd71279b061a6630d06e8bcb024aa90ecae4fcbb4ab
sha512 cb53d2f6d0065300886a422e878ac456dc211577a0a7ca73699c492a465ea58f842c56a41ff9878393235d392fa196b8509bf4e50b2fa5af9a90150d7ce3e0b1
ripemd-160 7df9e6c2f609e434fc63ce40a08bb209ad206b48

28165729 as geometric shapes

Circle

Radius = n
Diameter 56331458
Circumference 176970494.6188
Area 2.4922514962146E+15

Sphere

Radius = n
Volume 9.3594773656299E+22
Surface area 9.9690059848583E+15
Circumference 176970494.6188

Square

Length = n
Perimeter 112662916
Area 793308290101441
Diagonal 39832355.945925

Cube

Length = n
Surface area 4759849740608646
Volume 2.2344106312451E+22
Space diagonal 48784473.660216

Equilateral Triangle

Length = n
Perimeter 84497187
Area 3.4351256613032E+14
Altitude 24392236.830108

Triangular Pyramid

Length = n
Surface area 3.4351256613032E+14
Volume 2.6332781821812E+21
Height 13277451.981975