28013894 (number)

28013894 is an even 8-digits composite number following 28013893 and preceding 28013895. In scientific notation, it is written as 2.8013894 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 13555080 positive integers (up to 28013894) that are relatively prime to 28013894.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand eight hundred ninety-four

Notation

Scientific notation 2.8013894 × 10^7
Engineering notation 2.8013894 × 10^6

Prime Factorization of 28013894

Prime Factorization 2 × 31 × 451837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28013894
Product of the distinct prime numbers

The prime factorization of 28013894 is 2 × 31 × 451837. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28013894)

Multiplication

n×y
n×2 56027788
n×3 84041682
n×4 112055576
n×5 140069470

Division

n÷y
n÷2 14006947
n÷3 9337964.6666667
n÷3 7003473.5
n÷5 5602778.8

Exponentiation

ny
n2 784778257043236
n3 2.1984694906314E+22
n4 6.1587691272782E+29
n5 1.7253110550204E+37

Nth Root

y√n
2√n 5292.8153189017
3√n 303.70911550972
4√n 72.751737566203
5√n 30.865598046789

Divisors of 28013894

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 -28013893
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 28013894 can be divided by 8 positive divisors. The sum of these divisors (counting 28013894) is 1, the average is 0.125.

Base conversion 28013894

Base System Value
2 Binary 1101010110111010101000110
3 Ternary 1221201020211122
4 Quaternary 1222313111012
5 Quinary 24132421034
6 Senary 2440233542
8 Octal 152672506
10 Decimal 28013894
12 Duodecimal 946b8b2
16 Hexadecimal 1ab7546
20 Vigesimal 8f1eee
36 Base36 gofnq

Cryptographic Hash Functions

md5 456e3da7a36e3a8dc6007ec08abd0d0f
sha1 0ba0f187646bd10108f53c363c2670bf8a1ffe6a
sha256 12980ad1d136c8d6875bfd5d0fda7c36be423eea8ec901914de4682d404039e4
sha512 de986b85f04925da29ba0e484db863b3dd7cfeb7d38a39b378394eaa34851bf7aaba938407d712bbded982442bc9c33fc1040d2b9581de46f09f1e269be2f023
ripemd-160 eb41724c91cb240f5a604fd17d72697fc2f6ccb1

28013894 as geometric shapes

Circle

Radius = n
Diameter 56027788
Circumference 176016487.17769
Area 2.465453607024E+15

Sphere

Radius = n
Volume 9.2089274678785E+22
Surface area 9.8618144280961E+15
Circumference 176016487.17769

Square

Length = n
Perimeter 112055576
Area 784778257043236
Diagonal 39617628.829682

Cube

Length = n
Surface area 4708669542259416
Volume 2.1984694906314E+22
Space diagonal 48521487.725849

Equilateral Triangle

Length = n
Perimeter 84041682
Area 3.3981895346856E+14
Altitude 24260743.862924

Triangular Pyramid

Length = n
Surface area 3.3981895346856E+14
Volume 2.590921141762E+21
Height 13205876.276561