28742486 (number)

28742486 is an even 8-digits composite number following 28742485 and preceding 28742487. In scientific notation, it is written as 2.8742486 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 14371242 positive integers (up to 28742486) that are relatively prime to 28742486.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand four hundred eighty-six

Notation

Scientific notation 2.8742486 × 10^7
Engineering notation 2.8742486 × 10^6

Prime Factorization of 28742486

Prime Factorization 2 × 14371243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28742486
Product of the distinct prime numbers

The prime factorization of 28742486 is 2 × 14371243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28742486)

Multiplication

n×y
n×2 57484972
n×3 86227458
n×4 114969944
n×5 143712430

Division

n÷y
n÷2 14371243
n÷3 9580828.6666667
n÷3 7185621.5
n÷5 5748497.2

Exponentiation

ny
n2 826130501460196
n3 2.3745044372393E+22
n4 6.8249160544287E+29
n5 1.9616505414559E+37

Nth Root

y√n
2√n 5361.2019174808
3√n 306.31959290295
4√n 73.220228881647
5√n 31.024505335591

Divisors of 28742486

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28742485
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28742486 can be divided by 4 positive divisors. The sum of these divisors (counting 28742486) is 1, the average is 0.25.

Base conversion 28742486

Base System Value
2 Binary 1101101101001001101010110
3 Ternary 2000002021021112
4 Quaternary 1231221031112
5 Quinary 24324224421
6 Senary 2504015022
8 Octal 155511526
10 Decimal 28742486
12 Duodecimal 9761472
16 Hexadecimal 1b69356
20 Vigesimal 8jcg46
36 Base36 h41ue

Cryptographic Hash Functions

md5 8001e802d214ea46098f43591b47f460
sha1 edb0ea18f44acb55138ac88720b95aa8b2bee88d
sha256 47eacd00a7b3ba52a0f8684344abb85d75a1ba4b27f1c584550ece2b3e286e47
sha512 11061334979c373672af00f1c988c7853d6a0e29a963e75a9ec21a6b8f1ddfe77e5fbaea55899a3a1ebd28176dc8a164ddb62d10df1b65d4e3225ffc99d72016
ripemd-160 ea3c63503d95487106547162cc4a50d6cfc6f452

28742486 as geometric shapes

Circle

Radius = n
Diameter 57484972
Circumference 180594365.72701
Area 2.5953655142938E+15

Sphere

Radius = n
Volume 9.9463009279297E+22
Surface area 1.0381462057175E+16
Circumference 180594365.72701

Square

Length = n
Perimeter 114969944
Area 826130501460196
Diagonal 40648013.517519

Cube

Length = n
Surface area 4956783008761176
Volume 2.3745044372393E+22
Space diagonal 49783446.087837

Equilateral Triangle

Length = n
Perimeter 86227458
Area 3.5772500055285E+14
Altitude 24891723.043919

Triangular Pyramid

Length = n
Surface area 3.5772500055285E+14
Volume 2.7983803158824E+21
Height 13549337.839173