28013885 (number)

28013885 is an odd 8-digits composite number following 28013884 and preceding 28013886. In scientific notation, it is written as 2.8013885 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 20306880 positive integers (up to 28013885) that are relatively prime to 28013885.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand eight hundred eighty-five

Notation

Scientific notation 2.8013885 × 10^7
Engineering notation 2.8013885 × 10^6

Prime Factorization of 28013885

Prime Factorization 95 × 23 × 12821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28013885
Product of the distinct prime numbers

The prime factorization of 28013885 is 95 × 23 × 12821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28013885)

Multiplication

n×y
n×2 56027770
n×3 84041655
n×4 112055540
n×5 140069425

Division

n÷y
n÷2 14006942.5
n÷3 9337961.6666667
n÷3 7003471.25
n÷5 5602777

Exponentiation

ny
n2 784777752793225
n3 2.1984673717308E+22
n4 6.1587612127918E+29
n5 1.7253082835761E+37

Nth Root

y√n
2√n 5292.8144686924
3√n 303.70908298559
4√n 72.75173172298
5√n 30.865596063556

Divisors of 28013885

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 -28013884
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 28013885 can be divided by 8 positive divisors. The sum of these divisors (counting 28013885) is 1, the average is 0.125.

Base conversion 28013885

Base System Value
2 Binary 1101010110111010100111101
3 Ternary 1221201020211022
4 Quaternary 1222313110331
5 Quinary 24132421020
6 Senary 2440233525
8 Octal 152672475
10 Decimal 28013885
12 Duodecimal 946b8a5
16 Hexadecimal 1ab753d
20 Vigesimal 8f1ee5
36 Base36 gofnh

Cryptographic Hash Functions

md5 1957127db77ea3d9a6d20f55d8681d8d
sha1 7f88664bb1b85a58b33dd7985b2868b7e5adb06a
sha256 f5be07abf660a023d0fa73a5482c482baf725bea4ee5ba02a205cb68a1ce71b6
sha512 e37406b3b231466cc444269b26bb150c9c725d8dc03ac4291f241fa57b2dd933e63c9338e459e0f1e44f0457f012eeba9ea66039cdf582b994438349053d3462
ripemd-160 81e5d396b28d0c6f6f90089fa7cd43dd1188325e

28013885 as geometric shapes

Circle

Radius = n
Diameter 56027770
Circumference 176016430.62902
Area 2.4654520228759E+15

Sphere

Radius = n
Volume 9.2089185922484E+22
Surface area 9.8618080915036E+15
Circumference 176016430.62902

Square

Length = n
Perimeter 112055540
Area 784777752793225
Diagonal 39617616.10176

Cube

Length = n
Surface area 4708666516759350
Volume 2.1984673717308E+22
Space diagonal 48521472.137392

Equilateral Triangle

Length = n
Perimeter 84041655
Area 3.398187351219E+14
Altitude 24260736.068696

Triangular Pyramid

Length = n
Surface area 3.398187351219E+14
Volume 2.5909186446137E+21
Height 13205872.03392