28013 (number)

28013 is an odd 5-digits composite number following 28012 and preceding 28014. In scientific notation, it is written as 2.8013 × 10^4. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 27648 positive integers (up to 28013) that are relatively prime to 28013.

Interesting facts

Basic properties

Name

Name twenty-eight thousand thirteen

Notation

Scientific notation 2.8013 × 10^4
Engineering notation 2.8013 × 10^3

Prime Factorization of 28013

Prime Factorization 109 × 257

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28013
Product of the distinct prime numbers

The prime factorization of 28013 is 109 × 257. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 50, 72, 549, 918, 3937, 2853, 58167, 75062, 116850, 895751, 5308626, 5398074, 44256777, 86096860, 155825409, 213119627, 7609724786, 1070978886

Basic calculations (n = 28013)

Multiplication

n×y
n×2 56026
n×3 84039
n×4 112052
n×5 140065

Division

n÷y
n÷2 14006.5
n÷3 9337.6666666667
n÷3 7003.25
n÷5 5602.6

Exponentiation

ny
n2 784728169
n3 21982590198197
n4 615798299222092561
n5 1.7250357756108E+22

Nth Root

y√n
2√n 167.37084572888
3√n 30.370588474576
4√n 12.937188478525
5√n 7.7530382083361

Divisors of 28013

1, 109, 257, 28013

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 -28012
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 28013 can be divided by 4 positive divisors. The sum of these divisors (counting 28013) is 1, the average is 0.25.

Base conversion 28013

Base System Value
2 Binary 110110101101101
3 Ternary 1102102112
4 Quaternary 12311231
5 Quinary 1344023
6 Senary 333405
8 Octal 66555
10 Decimal 28013
12 Duodecimal 14265
16 Hexadecimal 6d6d
20 Vigesimal 3a0d
36 Base36 lm5

Cryptographic Hash Functions

md5 42b88c8b68686b308746c7b9667ecb2c
sha1 6d7e55a79c8383863f069436303b1f55ac528615
sha256 44927de85a8f9b61f1f65cc121a91857b0d43784de44cf74121d7a9efa30a94e
sha512 74857d6e9c2a67933e36e44395c5f41dfdaad782122d14a4faf4c1d09c9224c0332bea42568927ac45382ea5b54ce6ca66045ad88e3e0a2ad2b448cea88acbde
ripemd-160 b997537fc12127966e608ef6614ba8844edd1d7c

28013 as geometric shapes

Circle

Radius = n
Diameter 56026
Circumference 176010.87001002
Area 2465296250.7954

Sphere

Radius = n
Volume 92080458498041
Surface area 9861185003.1815
Circumference 176010.87001002

Square

Length = n
Perimeter 112052
Area 784728169
Diagonal 39616.364522758

Cube

Length = n
Surface area 4708369014
Volume 21982590198197
Space diagonal 48519.939272427

Equilateral Triangle

Length = n
Perimeter 84039
Area 339797264.70962
Altitude 24259.969636213

Triangular Pyramid

Length = n
Surface area 339797264.70962
Volume 2590673099531.7
Height 13205.454840919