28742013 (number)

28742013 is an odd 8-digits composite number following 28742012 and preceding 28742014. In scientific notation, it is written as 2.8742013 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 19161324 positive integers (up to 28742013) that are relatively prime to 28742013.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8742013 × 10^7
Engineering notation 2.8742013 × 10^6

Prime Factorization of 28742013

Prime Factorization 3 × 9 × 1064519

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28742013
Product of the distinct prime numbers

The prime factorization of 28742013 is 3 × 9 × 1064519. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28742013)

Multiplication

n×y
n×2 57484026
n×3 86226039
n×4 114968052
n×5 143710065

Division

n÷y
n÷2 14371006.5
n÷3 9580671
n÷3 7185503.25
n÷5 5748402.6

Exponentiation

ny
n2 826103311292169
n3 2.3743872112503E+22
n4 6.8244668092789E+29
n5 1.9614891375036E+37

Nth Root

y√n
2√n 5361.1578040569
3√n 306.31791258017
4√n 73.219927643073
5√n 31.02440322412

Divisors of 28742013

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 -28742012
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 28742013 can be divided by 8 positive divisors. The sum of these divisors (counting 28742013) is 1, the average is 0.125.

Base conversion 28742013

Base System Value
2 Binary 1101101101001000101111101
3 Ternary 2000002020122000
4 Quaternary 1231221011331
5 Quinary 24324221023
6 Senary 2504012513
8 Octal 155510575
10 Decimal 28742013
12 Duodecimal 9761139
16 Hexadecimal 1b6917d
20 Vigesimal 8jcf0d
36 Base36 h41h9

Cryptographic Hash Functions

md5 2db957926af389ebb5280712f7ddd4b0
sha1 2839d1ee87da548db1951975f0e9d3ebda483efd
sha256 de67dad9aa09b6785c5c66589bab8288f76e01b0efe6ada2b613370dbc5f1f91
sha512 6c939653db59aa0b42106ab0bfdf1100f3b6d91229bf729b710bd3ee5d0a012847d146db291a360b4dbede6ccdc03a6edb1107de9556f9f8c6a13fe387118c1c
ripemd-160 a06116743a89b81fbbe920bcf0038b33bd026dc8

28742013 as geometric shapes

Circle

Radius = n
Diameter 57484026
Circumference 180591393.78036
Area 2.5952800938617E+15

Sphere

Radius = n
Volume 9.9458098928551E+22
Surface area 1.0381120375447E+16
Circumference 180591393.78036

Square

Length = n
Perimeter 114968052
Area 826103311292169
Diagonal 40647344.594504

Cube

Length = n
Surface area 4956619867753014
Volume 2.3743872112503E+22
Space diagonal 49782626.827805

Equilateral Triangle

Length = n
Perimeter 86226039
Area 3.5771322686473E+14
Altitude 24891313.413903

Triangular Pyramid

Length = n
Surface area 3.5771322686473E+14
Volume 2.7982421637295E+21
Height 13549114.864835