28981736 (number)

28981736 is an even 8-digits composite number following 28981735 and preceding 28981737. In scientific notation, it is written as 2.8981736 × 10^7. The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors. There are 11687424 positive integers (up to 28981736) that are relatively prime to 28981736.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eighty-one thousand seven hundred thirty-six

Notation

Scientific notation 2.8981736 × 10^7
Engineering notation 2.8981736 × 10^6

Prime Factorization of 28981736

Prime Factorization 2 × 2 × 2 × 17 × 49 × 4349

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7245434
Product of the distinct prime numbers

The prime factorization of 28981736 is 2 × 2 × 2 × 17 × 49 × 4349. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28981736)

Multiplication

n×y
n×2 57963472
n×3 86945208
n×4 115926944
n×5 144908680

Division

n÷y
n÷2 14490868
n÷3 9660578.6666667
n÷3 7245434
n÷5 5796347.2

Exponentiation

ny
n2 839941021573696
n3 2.4342948942819E+22
n4 7.0550091972226E+29
n5 2.0446641403148E+37

Nth Root

y√n
2√n 5383.4687702261
3√n 307.16717155888
4√n 73.372125294461
5√n 31.075983287353

Divisors of 28981736

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 -28981735
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 28981736 can be divided by 32 positive divisors. The sum of these divisors (counting 28981736) is 1, the average is 0.03125.

Base conversion 28981736

Base System Value
2 Binary 1101110100011100111101000
3 Ternary 2000112102110122
4 Quaternary 1232203213220
5 Quinary 24404403421
6 Senary 2513102412
8 Octal 156434750
10 Decimal 28981736
12 Duodecimal 9857a08
16 Hexadecimal 1ba39e8
20 Vigesimal 912e6g
36 Base36 h96g8

Cryptographic Hash Functions

md5 ce9a28e2959cffe952656822a9aa66eb
sha1 61e51176bd92a4f1955e492ced3290335e64de2b
sha256 f9d226add74a83a76aa6dea92f110aea7c45d25e17413511d658f32b78bcba59
sha512 3d9578de82c30905b58b65df45f71ca4156e089aa9e9b3862212d371581171e93b8594401a060200ffe9fb16034f09e22801e57a1f438222dfb7625f89e418eb
ripemd-160 3c62ae80294f1716fe1d352ca41a2f62c0976791

28981736 as geometric shapes

Circle

Radius = n
Diameter 57963472
Circumference 182097617.81176
Area 2.6387525428246E+15

Sphere

Radius = n
Volume 1.019675060873E+23
Surface area 1.0555010171299E+16
Circumference 182097617.81176

Square

Length = n
Perimeter 115926944
Area 839941021573696
Diagonal 40986364.112317

Cube

Length = n
Surface area 5039646129442176
Volume 2.4342948942819E+22
Space diagonal 50197839.243548

Equilateral Triangle

Length = n
Perimeter 86945208
Area 3.6370513118174E+14
Altitude 25098919.621774

Triangular Pyramid

Length = n
Surface area 3.6370513118174E+14
Volume 2.8688440452576E+21
Height 13662121.370772