28001811 (number)

28001811 is an odd 8-digits composite number following 28001810 and preceding 28001812. In scientific notation, it is written as 2.8001811 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 18120000 positive integers (up to 28001811) that are relatively prime to 28001811.

Interesting facts

Basic properties

Name

Name twenty-eight million one thousand eight hundred eleven

Notation

Scientific notation 2.8001811 × 10^7
Engineering notation 2.8001811 × 10^6

Prime Factorization of 28001811

Prime Factorization 123 × 251 × 907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28001811
Product of the distinct prime numbers

The prime factorization of 28001811 is 123 × 251 × 907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 28, 35, 516, 134, 7994, 6047, 70080, 96858, 680962, 623421, 5918335, 7275168, 41012259, 98419483, 177478821, 179317515, 5797746907, 202715063

Basic calculations (n = 28001811)

Multiplication

n×y
n×2 56003622
n×3 84005433
n×4 112007244
n×5 140009055

Division

n÷y
n÷2 14000905.5
n÷3 9333937
n÷3 7000452.75
n÷5 5600362.2

Exponentiation

ny
n2 784101419279721
n3 2.1956259747503E+22
n4 6.1481503571647E+29
n5 1.7215934430091E+37

Nth Root

y√n
2√n 5291.6737427774
3√n 303.66544378765
4√n 72.743891446481
5√n 30.862934986935

Divisors of 28001811

1, 123, 251, 907, 30873, 111561, 227657, 28001811

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 -28001810
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 28001811 can be divided by 8 positive divisors. The sum of these divisors (counting 28001811) is 1, the average is 0.125.

Base conversion 28001811

Base System Value
2 Binary 1101010110100011000010011
3 Ternary 1221200122021010
4 Quaternary 1222310120103
5 Quinary 24132024221
6 Senary 2440102003
8 Octal 152643023
10 Decimal 28001811
12 Duodecimal 9464903
16 Hexadecimal 1ab4613
20 Vigesimal 8f04ab
36 Base36 go6c3

Cryptographic Hash Functions

md5 74596e73f51a6b52c9962f746013e91e
sha1 70a5f4e63dfc6c6e7606881054e1f735ebe44a8c
sha256 e1d5240616409b8aede80213b73c315bd7a92c329a5cea31489d959abda8b983
sha512 6a351baaeae91fcce9631c411a599b7a7e281e49ce2c43d2c738174c112d8a1895216137ab4dadf7971f43a231548e6b7a630e6ff2cd995e0b3730db4405c0fb
ripemd-160 e00641a55d7de9e9421720278526249e784d3377

28001811 as geometric shapes

Circle

Radius = n
Diameter 56003622
Circumference 175940567.44962
Area 2.4633272584785E+15

Sphere

Radius = n
Volume 9.1970165764084E+22
Surface area 9.853309033914E+15
Circumference 175940567.44962

Square

Length = n
Perimeter 112007244
Area 784101419279721
Diagonal 39600540.887208

Cube

Length = n
Surface area 4704608515678326
Volume 2.1956259747503E+22
Space diagonal 48500559.355941

Equilateral Triangle

Length = n
Perimeter 84005433
Area 3.3952587411984E+14
Altitude 24250279.677971

Triangular Pyramid

Length = n
Surface area 3.3952587411984E+14
Volume 2.5875700261587E+21
Height 13200180.295736