28013909 (number)

28013909 is an odd 8-digits composite number following 28013908 and preceding 28013910. In scientific notation, it is written as 2.8013909 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 20544000 positive integers (up to 28013909) that are relatively prime to 28013909.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand nine hundred nine

Notation

Scientific notation 2.8013909 × 10^7
Engineering notation 2.8013909 × 10^6

Prime Factorization of 28013909

Prime Factorization 77 × 17 × 21401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28013909
Product of the distinct prime numbers

The prime factorization of 28013909 is 77 × 17 × 21401. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28013909)

Multiplication

n×y
n×2 56027818
n×3 84041727
n×4 112055636
n×5 140069545

Division

n÷y
n÷2 14006954.5
n÷3 9337969.6666667
n÷3 7003477.25
n÷5 5602781.8

Exponentiation

ny
n2 784779097460281
n3 2.1984730221354E+22
n4 6.1587823181057E+29
n5 1.7253156741022E+37

Nth Root

y√n
2√n 5292.8167359167
3√n 303.70916971658
4√n 72.751747304905
5√n 30.865601352176

Divisors of 28013909

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 -28013908
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 28013909 can be divided by 8 positive divisors. The sum of these divisors (counting 28013909) is 1, the average is 0.125.

Base conversion 28013909

Base System Value
2 Binary 1101010110111010101010101
3 Ternary 1221201020212012
4 Quaternary 1222313111111
5 Quinary 24132421114
6 Senary 2440234005
8 Octal 152672525
10 Decimal 28013909
12 Duodecimal 946b905
16 Hexadecimal 1ab7555
20 Vigesimal 8f1ef9
36 Base36 gofo5

Cryptographic Hash Functions

md5 e1adda72f7ac0eb1ba0a1fb9e5f0b2d8
sha1 1bcc87e5812a55dd6dd9456d4623826abaef4bfa
sha256 11cbbb545b3a2106e44c724cb8306ffc56fa4e1aa141b67b3e05322556e76d14
sha512 5ed9d5445465907560ba28485745216de34ec45ff1586c5f164df5cf3abeaf7844705e3f90654901b858156661282cdbcfdc71844dda5bc22d0da6968291941c
ripemd-160 1cbf314bc6b5e806d75f4f00b53024f5f14c5d7b

28013909 as geometric shapes

Circle

Radius = n
Diameter 56027818
Circumference 176016581.42547
Area 2.465456247272E+15

Sphere

Radius = n
Volume 9.2089422606081E+22
Surface area 9.8618249890882E+15
Circumference 176016581.42547

Square

Length = n
Perimeter 112055636
Area 784779097460281
Diagonal 39617650.042886

Cube

Length = n
Surface area 4708674584761686
Volume 2.1984730221354E+22
Space diagonal 48521513.706611

Equilateral Triangle

Length = n
Perimeter 84041727
Area 3.3981931737981E+14
Altitude 24260756.853306

Triangular Pyramid

Length = n
Surface area 3.3981931737981E+14
Volume 2.5909253036794E+21
Height 13205883.347629