28018840 (number)

28018840 is an even 8-digits composite number following 28018839 and preceding 28018841. In scientific notation, it is written as 2.8018840 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 11207520 positive integers (up to 28018840) that are relatively prime to 28018840.

Interesting facts

Basic properties

Name

Name twenty-eight million eighteen thousand eight hundred forty

Notation

Scientific notation 2.8018840 × 10^7
Engineering notation 2.8018840 × 10^6

Prime Factorization of 28018840

Prime Factorization 2 × 2 × 2 × 5 × 700471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7004710
Product of the distinct prime numbers

The prime factorization of 28018840 is 2 × 2 × 2 × 5 × 700471. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 2, 92, 71, 50, 672, 1401, 655, 9897, 59441, 640955, 788476, 1988771, 9924917, 85502897, 49043876, 787749422, 346352779, 4243173307, 6081872667

Basic calculations (n = 28018840)

Multiplication

n×y
n×2 56037680
n×3 84056520
n×4 112075360
n×5 140094200

Division

n÷y
n÷2 14009420
n÷3 9339613.3333333
n÷3 7004710
n÷5 5603768

Exponentiation

ny
n2 785055394945600
n3 2.1996341502118E+22
n4 6.1631197313319E+29
n5 1.7268346565303E+37

Nth Root

y√n
2√n 5293.2825354406
3√n 303.72698827065
4√n 72.754948528884
5√n 30.866687866489

Divisors of 28018840

1, 2, 4, 5, 8, 10, 20, 40, 700471, 1400942, 2801884, 3502355, 5603768, 7004710, 14009420, 28018840

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28018839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28018840 can be divided by 16 positive divisors. The sum of these divisors (counting 28018840) is 1, the average is 0.0625.

Base conversion 28018840

Base System Value
2 Binary 1101010111000100010011000
3 Ternary 1221201111121211
4 Quaternary 1222320202120
5 Quinary 24133100330
6 Senary 2440312504
8 Octal 152704230
10 Decimal 28018840
12 Duodecimal 9472734
16 Hexadecimal 1ab8898
20 Vigesimal 8f2720
36 Base36 gojh4

Cryptographic Hash Functions

md5 81d8571ada8d5380ea44ac5f88d8b0e5
sha1 a6fd542d108469929e001bcead189f2fee096be7
sha256 3edf45a5902799c1690624413a06f2af1f90eb5e2e6830238e5e66e286c0ffa2
sha512 46e61b3c41f4f118ec2a557dd663bd6dbac95df26e69e9cc0d49ff32311f0fd1316f4b8b5b9fbb81e32ad140f2986106ecba0019d2567be6ef452b41e4fe66f8
ripemd-160 4f3e583af1f9cf1f5f77c67fb0c9839b968a6be2

28018840 as geometric shapes

Circle

Radius = n
Diameter 56037680
Circumference 176047563.81222
Area 2.4663242614221E+15

Sphere

Radius = n
Volume 9.2138059825206E+22
Surface area 9.8652970456885E+15
Circumference 176047563.81222

Square

Length = n
Perimeter 112075360
Area 785055394945600
Diagonal 39624623.529962

Cube

Length = n
Surface area 4710332369673600
Volume 2.1996341502118E+22
Space diagonal 48530054.449143

Equilateral Triangle

Length = n
Perimeter 84056520
Area 3.3993895770046E+14
Altitude 24265027.224572

Triangular Pyramid

Length = n
Surface area 3.3993895770046E+14
Volume 2.5922937062404E+21
Height 13208207.843321