28931715 (number)

28931715 is an odd 8-digits composite number following 28931714 and preceding 28931716. In scientific notation, it is written as 2.8931715 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 15430176 positive integers (up to 28931715) that are relatively prime to 28931715.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand seven hundred fifteen

Notation

Scientific notation 2.8931715 × 10^7
Engineering notation 2.8931715 × 10^6

Prime Factorization of 28931715

Prime Factorization 5 × 9 × 3 × 214309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931715
Product of the distinct prime numbers

The prime factorization of 28931715 is 5 × 9 × 3 × 214309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 34, 6, 140, 215, 9474, 21, 43335, 27943, 674913, 122109, 6555974, 8243492, 75430759, 30986250, 40453673, 740061172, 3769756394, 1635168495

Basic calculations (n = 28931715)

Multiplication

n×y
n×2 57863430
n×3 86795145
n×4 115726860
n×5 144658575

Division

n÷y
n÷2 14465857.5
n÷3 9643905
n÷3 7232928.75
n÷5 5786343

Exponentiation

ny
n2 837044132841225
n3 2.4217122293784E+22
n4 7.0064288032392E+29
n5 2.0270800130311E+37

Nth Root

y√n
2√n 5378.8209674612
3√n 306.99035149537
4√n 73.340445645368
5√n 31.065248761067

Divisors of 28931715

1, 3, 5, 9, 15, 27, 45, 135, 214309, 642927, 1071545, 1928781, 3214635, 5786343, 9643905, 28931715

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931714
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931715 can be divided by 16 positive divisors. The sum of these divisors (counting 28931715) is 1, the average is 0.0625.

Base conversion 28931715

Base System Value
2 Binary 1101110010111011010000011
3 Ternary 2000102212212000
4 Quaternary 1232113122003
5 Quinary 24401303330
6 Senary 2512035043
8 Octal 156273203
10 Decimal 28931715
12 Duodecimal 9832a83
16 Hexadecimal 1b97683
20 Vigesimal 90g95f
36 Base36 h83ur

Cryptographic Hash Functions

md5 3d97d041f70415c8aea8084e9575d780
sha1 a015ebf38e580312518a112daef1be7d8447c8dc
sha256 55a8ecae7d2408f013d53898de1a93884f8029a5e66c82db8e2ed4e60b3d4b3a
sha512 d10c3a7af24dee569416c2fd4775c7266613d4e200f82dd5b8affa2215f55322e18119a423b0c4b427574918341d993067f675879f4bac53b84d006ee83882ce
ripemd-160 1c585bc113856a84b69cf6213320753984ceedb4

28931715 as geometric shapes

Circle

Radius = n
Diameter 57863430
Circumference 181783326.59951
Area 2.6296516984644E+15

Sphere

Radius = n
Volume 1.0144044465232E+23
Surface area 1.0518606793858E+16
Circumference 181783326.59951

Square

Length = n
Perimeter 115726860
Area 837044132841225
Diagonal 40915623.735713

Cube

Length = n
Surface area 5022264797047350
Volume 2.4217122293784E+22
Space diagonal 50111200.330103

Equilateral Triangle

Length = n
Perimeter 86795145
Area 3.6245074156461E+14
Altitude 25055600.165051

Triangular Pyramid

Length = n
Surface area 3.6245074156461E+14
Volume 2.8540152324598E+21
Height 13638541.245238