28744 (number)

28744 is an even 5-digits composite number following 28743 and preceding 28745. In scientific notation, it is written as 2.8744 × 10^4. The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors. There are 14368 positive integers (up to 28744) that are relatively prime to 28744.

Interesting facts

Basic properties

Name

Name twenty-eight thousand seven hundred forty-four

Notation

Scientific notation 2.8744 × 10^4
Engineering notation 2.8744 × 10^3

Prime Factorization of 28744

Prime Factorization 2 × 2 × 2 × 3593

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7186
Product of the distinct prime numbers

The prime factorization of 28744 is 2 × 2 × 2 × 3593. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 39, 88, 50, 331, 9709, 9279, 62249, 34091, 766324, 325744, 7747933, 622583, 23970177, 38644997, 98664757, 586798390, 2899803484, 17323067

Basic calculations (n = 28744)

Multiplication

n×y
n×2 57488
n×3 86232
n×4 114976
n×5 143720

Division

n÷y
n÷2 14372
n÷3 9581.3333333333
n÷3 7186
n÷5 5748.8

Exponentiation

ny
n2 826217536
n3 23748796854784
n4 682635416793911296
n5 1.9621672420324E+22

Nth Root

y√n
2√n 169.54055562018
3√n 30.632497123291
4√n 13.020774002346
5√n 7.7930854966712

Divisors of 28744

1, 2, 4, 8, 3593, 7186, 14372, 28744

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 -28743
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 28744 can be divided by 8 positive divisors. The sum of these divisors (counting 28744) is 1, the average is 0.125.

Base conversion 28744

Base System Value
2 Binary 111000001001000
3 Ternary 1110102121
4 Quaternary 13001020
5 Quinary 1404434
6 Senary 341024
8 Octal 70110
10 Decimal 28744
12 Duodecimal 14774
16 Hexadecimal 7048
20 Vigesimal 3bh4
36 Base36 m6g

Cryptographic Hash Functions

md5 7b75a9a9404959d96c63d1f61ec75550
sha1 195780924f856da625b0cf24c1f4a2fd76778311
sha256 483239e59d63a1479924dfaf86bc7b53d4482d283f8cbb18e03392fb2060bbe5
sha512 eabfa39b8d6ed35988d481171c63c5f0ce5de87be835e2d7cfa35e209ecaff3d8d8730445aa333823438b9baa29d277db440c9a012e93a72403069d18d1c9d87
ripemd-160 b86c0570b4e30475e493e52734ea4dd43dc873af

28744 as geometric shapes

Circle

Radius = n
Diameter 57488
Circumference 180603.87846957
Area 2595638941.3647

Sphere

Radius = n
Volume 99478727640781
Surface area 10382555765.459
Circumference 180603.87846957

Square

Length = n
Perimeter 114976
Area 826217536
Diagonal 40650.154636852

Cube

Length = n
Surface area 4957305216
Volume 23748796854784
Space diagonal 49786.06841276

Equilateral Triangle

Length = n
Perimeter 86232
Area 357762687.61409
Altitude 24893.03420638

Triangular Pyramid

Length = n
Surface area 357762687.61409
Volume 2798822550173.3
Height 13550.051545617