28931565 (number)

28931565 is an odd 8-digits composite number following 28931564 and preceding 28931566. In scientific notation, it is written as 2.8931565 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14243136 positive integers (up to 28931565) that are relatively prime to 28931565.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931565 × 10^7
Engineering notation 2.8931565 × 10^6

Prime Factorization of 28931565

Prime Factorization 15 × 13 × 148367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28931565
Product of the distinct prime numbers

The prime factorization of 28931565 is 15 × 13 × 148367. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 68, 20, 602, 445, 3704, 1251, 19771, 12238, 603973, 491285, 4928588, 2433031, 22629752, 39020637, 374403841, 767251637, 4801031376, 6218826959

Basic calculations (n = 28931565)

Multiplication

n×y
n×2 57863130
n×3 86794695
n×4 115726260
n×5 144657825

Division

n÷y
n÷2 14465782.5
n÷3 9643855
n÷3 7232891.25
n÷5 5786313

Exponentiation

ny
n2 837035453349225
n3 2.4216745625878E+22
n4 7.0062835016354E+29
n5 2.0270274653599E+37

Nth Root

y√n
2√n 5378.8070238669
3√n 306.9898209515
4√n 73.340350584565
5√n 31.065216548687

Divisors of 28931565

1, 13, 15, 195, 148367, 1928771, 2225505, 28931565

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 -28931564
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 28931565 can be divided by 8 positive divisors. The sum of these divisors (counting 28931565) is 1, the average is 0.125.

Base conversion 28931565

Base System Value
2 Binary 1101110010111010111101101
3 Ternary 2000102212122110
4 Quaternary 1232113113231
5 Quinary 24401302230
6 Senary 2512034233
8 Octal 156272755
10 Decimal 28931565
12 Duodecimal 9832979
16 Hexadecimal 1b975ed
20 Vigesimal 90g8i5
36 Base36 h83ql

Cryptographic Hash Functions

md5 d2e3c75b22f6ac89b88c8bf4c681d29c
sha1 c7be6c7d053745f8bc2f87466b69487132e6970f
sha256 8a667a8f6bdc88979835a96db97c5fc415fc514b554ed42591e70f94f915672a
sha512 e1f82806fcb7f1dae8db65df4a34b08b409bc5e16fb75096d7b55f23273da378af60a3b264a6178a26c660e9696890ea6f71990b7b2524509d3b443ba6dd286f
ripemd-160 0fff2c414d9e961452cff21a8e7256ba3f1b394e

28931565 as geometric shapes

Circle

Radius = n
Diameter 57863130
Circumference 181782384.12171
Area 2.6296244310361E+15

Sphere

Radius = n
Volume 1.0143886686948E+23
Surface area 1.0518497724145E+16
Circumference 181782384.12171

Square

Length = n
Perimeter 115726260
Area 837035453349225
Diagonal 40915411.603679

Cube

Length = n
Surface area 5022212720095350
Volume 2.4216745625878E+22
Space diagonal 50110940.522481

Equilateral Triangle

Length = n
Perimeter 86794695
Area 3.6244698323433E+14
Altitude 25055470.261241

Triangular Pyramid

Length = n
Surface area 3.6244698323433E+14
Volume 2.8539708417213E+21
Height 13638470.53456