28687072 (number)

28687072 is an even 8-digits composite number following 28687071 and preceding 28687073. In scientific notation, it is written as 2.8687072 × 10^7. The sum of its digits is 40. It has a total of 7 prime factors and 24 positive divisors. There are 13719552 positive integers (up to 28687072) that are relatively prime to 28687072.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687072 × 10^7
Engineering notation 2.8687072 × 10^6

Prime Factorization of 28687072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 23 × 38977

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1792942
Product of the distinct prime numbers

The prime factorization of 28687072 is 2 × 2 × 2 × 2 × 2 × 23 × 38977. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 6, 33, 56, 205, 294, 6311, 2020, 86450, 87763, 681082, 320241, 4065886, 2642003, 45762293, 81022392, 411090108, 795315658, 4296166423, 1204451993

Basic calculations (n = 28687072)

Multiplication

n×y
n×2 57374144
n×3 86061216
n×4 114748288
n×5 143435360

Division

n÷y
n÷2 14343536
n÷3 9562357.3333333
n÷3 7171768
n÷5 5737414.4

Exponentiation

ny
n2 822948099933184
n3 2.3607971395046E+22
n4 6.7724357518364E+29
n5 1.942813520283E+37

Nth Root

y√n
2√n 5356.0313665997
3√n 306.12261024112
4√n 73.184912151342
5√n 31.012533376875

Divisors of 28687072

1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 38977, 77954, 155908, 311816, 623632, 896471, 1247264, 1792942, 3585884, 7171768, 14343536, 28687072

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28687071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28687072 can be divided by 24 positive divisors. The sum of these divisors (counting 28687072) is 1, the average is 0.041666666666667.

Base conversion 28687072

Base System Value
2 Binary 1101101011011101011100000
3 Ternary 1222222110021011
4 Quaternary 1231123223200
5 Quinary 24320441242
6 Senary 2502510304
8 Octal 155335340
10 Decimal 28687072
12 Duodecimal 9735394
16 Hexadecimal 1b5bae0
20 Vigesimal 8j5hdc
36 Base36 h2v34

Cryptographic Hash Functions

md5 85a260975ddf3245c19ecc39d0af45f1
sha1 165de475934cac53891aa2514e2d35942db3741f
sha256 4b483f65805d6255bac4cd8d889248af6f95f9842d1535446569707b799becff
sha512 c3e3042bd1f3cf4115cceb2ab98c5f3705a763a24c7256d3900e568b3f0b0ce6ad924ba1f18535fad3aef76c28b3a298b730757590f8124521e45df7bdd9333f
ripemd-160 f5a9ddda67a79a9e00b4e03534a50618a1196763

28687072 as geometric shapes

Circle

Radius = n
Diameter 57374144
Circumference 180246189.2964
Area 2.5853677050358E+15

Sphere

Radius = n
Volume 9.8888839334448E+22
Surface area 1.0341470820143E+16
Circumference 180246189.2964

Square

Length = n
Perimeter 114748288
Area 822948099933184
Diagonal 40569646.287173

Cube

Length = n
Surface area 4937688599599104
Volume 2.3607971395046E+22
Space diagonal 49687466.224387

Equilateral Triangle

Length = n
Perimeter 86061216
Area 3.5634698026914E+14
Altitude 24843733.112193

Triangular Pyramid

Length = n
Surface area 3.5634698026914E+14
Volume 2.7822261105826E+21
Height 13523215.429058