28782013 (number)

28782013 is an odd 8-digits composite number following 28782012 and preceding 28782014. In scientific notation, it is written as 2.8782013 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 26568000 positive integers (up to 28782013) that are relatively prime to 28782013.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8782013 × 10^7
Engineering notation 2.8782013 × 10^6

Prime Factorization of 28782013

Prime Factorization 13 × 2214001

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28782013
Product of the distinct prime numbers

The prime factorization of 28782013 is 13 × 2214001. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28782013)

Multiplication

n×y
n×2 57564026
n×3 86346039
n×4 115128052
n×5 143910065

Division

n÷y
n÷2 14391006.5
n÷3 9594004.3333333
n÷3 7195503.25
n÷5 5756402.6

Exponentiation

ny
n2 828404272332169
n3 2.384314253552E+22
n4 6.8625363841819E+29
n5 1.975176114225E+37

Nth Root

y√n
2√n 5364.8870444773
3√n 306.45994666915
4√n 73.245389236984
5√n 31.03303369745

Divisors of 28782013

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 -28782012
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 28782013 can be divided by 4 positive divisors. The sum of these divisors (counting 28782013) is 1, the average is 0.25.

Base conversion 28782013

Base System Value
2 Binary 1101101110010110110111101
3 Ternary 2000011021111111
4 Quaternary 1231302312331
5 Quinary 24332011023
6 Senary 2504522021
8 Octal 155626675
10 Decimal 28782013
12 Duodecimal 9780311
16 Hexadecimal 1b72dbd
20 Vigesimal 8jhf0d
36 Base36 h4wcd

Cryptographic Hash Functions

md5 11d930e087411fcc530fa2a280fc454c
sha1 a050fba84d1be069f792c244256e62f654889a26
sha256 54f0488571092738aedf04648a94fa6c4fb4310cf7f419e6d852da43a3678631
sha512 6c971e61b1cd42a300d555a49a1379d41b4bfdb5c316e70548f37062374668e1b5ee3b44255a02a6a50967e456b0ace44108a9212e225f423b47a6f9cc2b1b08
ripemd-160 5f6d05a7c735305ff96517f338a540c9b8181bfa

28782013 as geometric shapes

Circle

Radius = n
Diameter 57564026
Circumference 180842721.19265
Area 2.6025087761611E+15

Sphere

Radius = n
Volume 9.9873921904112E+22
Surface area 1.0410035104645E+16
Circumference 180842721.19265

Square

Length = n
Perimeter 115128052
Area 828404272332169
Diagonal 40703913.136999

Cube

Length = n
Surface area 4970425633993014
Volume 2.384314253552E+22
Space diagonal 49851908.860108

Equilateral Triangle

Length = n
Perimeter 86346039
Area 3.5870957222161E+14
Altitude 24925954.430054

Triangular Pyramid

Length = n
Surface area 3.5870957222161E+14
Volume 2.8099412952773E+21
Height 13567971.045666