28931744 (number)

28931744 is an even 8-digits composite number following 28931743 and preceding 28931745. In scientific notation, it is written as 2.8931744 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 12 positive divisors. There are 14465856 positive integers (up to 28931744) that are relatively prime to 28931744.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand seven hundred forty-four

Notation

Scientific notation 2.8931744 × 10^7
Engineering notation 2.8931744 × 10^6

Prime Factorization of 28931744

Prime Factorization 2 × 2 × 2 × 2 × 2 × 904117

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1808234
Product of the distinct prime numbers

The prime factorization of 28931744 is 2 × 2 × 2 × 2 × 2 × 904117. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 9, 48, 40, 455, 680, 638, 526, 67673, 13161, 657108, 981423, 2269082, 9451735, 83361242, 33061234, 163579890, 333253696, 7199459242, 1015351183

Basic calculations (n = 28931744)

Multiplication

n×y
n×2 57863488
n×3 86795232
n×4 115726976
n×5 144658720

Division

n÷y
n÷2 14465872
n÷3 9643914.6666667
n÷3 7232936
n÷5 5786348.8

Exponentiation

ny
n2 837045810881536
n3 2.4217195116697E+22
n4 7.0064568951433E+29
n5 2.0270901723732E+37

Nth Root

y√n
2√n 5378.8236632186
3√n 306.99045406697
4√n 73.340464023747
5√n 31.065254988779

Divisors of 28931744

1, 2, 4, 8, 16, 32, 904117, 1808234, 3616468, 7232936, 14465872, 28931744

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931744 can be divided by 12 positive divisors. The sum of these divisors (counting 28931744) is 1, the average is 0.083333333333333.

Base conversion 28931744

Base System Value
2 Binary 1101110010111011010100000
3 Ternary 2000102212220002
4 Quaternary 1232113122200
5 Quinary 24401303434
6 Senary 2512035132
8 Octal 156273240
10 Decimal 28931744
12 Duodecimal 9832aa8
16 Hexadecimal 1b976a0
20 Vigesimal 90g974
36 Base36 h83vk

Cryptographic Hash Functions

md5 f2988edb87f615a5065dfe185a4d8a42
sha1 4ab4436108414f54b9d3f8b5b60e027e433fc8a8
sha256 bb1c3db7b68a994f9ef2aec952dc10ed33823e9c2e3533b7c7157c115b3a773c
sha512 dea7a2bfe269e040497bddf8ae9f38f51b6a857696366eb253c2c13ebc4b360d9b26a1d32e87d5c7ac3fdcc3c6f0684bd49e0aa5d035b97776e960d42a6de6be
ripemd-160 ac5dcb7568f5326f21125a512609ddabc3995876

28931744 as geometric shapes

Circle

Radius = n
Diameter 57863488
Circumference 181783508.81188
Area 2.6296569701835E+15

Sphere

Radius = n
Volume 1.0144074969222E+23
Surface area 1.0518627880734E+16
Circumference 181783508.81188

Square

Length = n
Perimeter 115726976
Area 837045810881536
Diagonal 40915664.747906

Cube

Length = n
Surface area 5022274865289216
Volume 2.4217195116697E+22
Space diagonal 50111250.559576

Equilateral Triangle

Length = n
Perimeter 86795232
Area 3.6245146817738E+14
Altitude 25055625.279788

Triangular Pyramid

Length = n
Surface area 3.6245146817738E+14
Volume 2.8540238147224E+21
Height 13638554.915969