28742018 (number)

28742018 is an even 8-digits composite number following 28742017 and preceding 28742019. In scientific notation, it is written as 2.8742018 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 14357716 positive integers (up to 28742018) that are relatively prime to 28742018.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand eighteen

Notation

Scientific notation 2.8742018 × 10^7
Engineering notation 2.8742018 × 10^6

Prime Factorization of 28742018

Prime Factorization 2 × 12107 × 1187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28742018
Product of the distinct prime numbers

The prime factorization of 28742018 is 2 × 12107 × 1187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28742018)

Multiplication

n×y
n×2 57484036
n×3 86226054
n×4 114968072
n×5 143710090

Division

n÷y
n÷2 14371009
n÷3 9580672.6666667
n÷3 7185504.5
n÷5 5748403.6

Exponentiation

ny
n2 826103598712324
n3 2.3743884504054E+22
n4 6.8244715580545E+29
n5 1.9614908436209E+37

Nth Root

y√n
2√n 5361.158270374
3√n 306.31793034266
4√n 73.219930827433
5√n 31.02440430353

Divisors of 28742018

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 -28742017
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 28742018 can be divided by 8 positive divisors. The sum of these divisors (counting 28742018) is 1, the average is 0.125.

Base conversion 28742018

Base System Value
2 Binary 1101101101001000110000010
3 Ternary 2000002020122012
4 Quaternary 1231221012002
5 Quinary 24324221033
6 Senary 2504012522
8 Octal 155510602
10 Decimal 28742018
12 Duodecimal 9761142
16 Hexadecimal 1b69182
20 Vigesimal 8jcf0i
36 Base36 h41he

Cryptographic Hash Functions

md5 f641246fdfdbce86410dcb63c24c4f2b
sha1 7a37c31aabf7b9c1ef0ba21059359918f0c8c28e
sha256 6ca5121b3c77c43c0669d53c0c85e4b13d3be405c51206a315fb8831758880ed
sha512 754a5db0b17e157a3a3bfba65033cbd76b4f1875d281c581e1bdada31804ef162b48d884cd7690584780f856f5ec9fce2033cee519db28b278c8eb130252b40d
ripemd-160 992921e1761d8e4191e1a0458b714bd139821370

28742018 as geometric shapes

Circle

Radius = n
Diameter 57484036
Circumference 180591425.19629
Area 2.5952809968187E+15

Sphere

Radius = n
Volume 9.9458150834162E+22
Surface area 1.0381123987275E+16
Circumference 180591425.19629

Square

Length = n
Perimeter 114968072
Area 826103598712324
Diagonal 40647351.665572

Cube

Length = n
Surface area 4956621592273944
Volume 2.3743884504054E+22
Space diagonal 49782635.488059

Equilateral Triangle

Length = n
Perimeter 86226054
Area 3.5771335132131E+14
Altitude 24891317.74403

Triangular Pyramid

Length = n
Surface area 3.5771335132131E+14
Volume 2.7982436240878E+21
Height 13549117.221857