28787072 (number)

28787072 is an even 8-digits composite number following 28787071 and preceding 28787073. In scientific notation, it is written as 2.8787072 × 10^7. The sum of its digits is 41. It has a total of 9 prime factors and 32 positive divisors. There are 14318080 positive integers (up to 28787072) that are relatively prime to 28787072.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred eighty-seven thousand seventy-two

Notation

Scientific notation 2.8787072 × 10^7
Engineering notation 2.8787072 × 10^6

Prime Factorization of 28787072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 239 × 941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 449798
Product of the distinct prime numbers

The prime factorization of 28787072 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 239 × 941. Since it has a total of 9 prime factors.

Most popular turbo-numbers

3, 2, 48, 99, 680, 792, 1971, 3380, 15921, 42345, 283025, 82117, 9096556, 2152698, 22432882, 28362408, 346559563, 927812744, 5309281654, 4401019674

Basic calculations (n = 28787072)

Multiplication

n×y
n×2 57574144
n×3 86361216
n×4 115148288
n×5 143935360

Division

n÷y
n÷2 14393536
n÷3 9595690.6666667
n÷3 7196768
n÷5 5757414.4

Exponentiation

ny
n2 828695514333184
n3 2.3855717437186E+22
n4 6.8673625547594E+29
n5 1.9769126031396E+37

Nth Root

y√n
2√n 5365.3585155141
3√n 306.47790105432
4√n 73.248607601197
5√n 31.034124552913

Divisors of 28787072

1, 2, 4, 8, 16, 32, 64, 128, 239, 478, 941, 956, 1882, 1912, 3764, 3824, 7528, 7648, 15056, 15296, 30112, 30592, 60224, 120448, 224899, 449798, 899596, 1799192, 3598384, 7196768, 14393536, 28787072

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 -28787071
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 28787072 can be divided by 32 positive divisors. The sum of these divisors (counting 28787072) is 1, the average is 0.03125.

Base conversion 28787072

Base System Value
2 Binary 1101101110100000110000000
3 Ternary 2000011112102212
4 Quaternary 1231310012000
5 Quinary 24332141242
6 Senary 2505001252
8 Octal 155640600
10 Decimal 28787072
12 Duodecimal 9783228
16 Hexadecimal 1b74180
20 Vigesimal 8ji7dc
36 Base36 h508w

Cryptographic Hash Functions

md5 94e6e0c92c07604a2a112d3c1df6410b
sha1 97867dd8445da4eb14e22392f9b5dc69691dcd02
sha256 86122f7b01f15152a5a686bda3c06177e8073095d928c1e19b737b868dbc826b
sha512 765854304d1dabd3bf668b340deced9f4fb1269b3f31b7456ac56a540fd942f492d646749a32fa21b5bceafce288a99f68f16de2dd2e306d89ae58bdf57ad4c5
ripemd-160 e98c7c77bd39c7aec5ffd2b391f39aa88b35f5f7

28787072 as geometric shapes

Circle

Radius = n
Diameter 57574144
Circumference 180874507.82712
Area 2.6034237398919E+15

Sphere

Radius = n
Volume 9.9926595529038E+22
Surface area 1.0413694959568E+16
Circumference 180874507.82712

Square

Length = n
Perimeter 115148288
Area 828695514333184
Diagonal 40711067.643411

Cube

Length = n
Surface area 4972173085999104
Volume 2.3855717437186E+22
Space diagonal 49860671.305143

Equilateral Triangle

Length = n
Perimeter 86361216
Area 3.5883568370737E+14
Altitude 24930335.652572

Triangular Pyramid

Length = n
Surface area 3.5883568370737E+14
Volume 2.8114232616508E+21
Height 13570355.881137