28006918 (number)

28006918 is an even 8-digits composite number following 28006917 and preceding 28006919. In scientific notation, it is written as 2.8006918 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 13983000 positive integers (up to 28006918) that are relatively prime to 28006918.

Interesting facts

Basic properties

Name

Name twenty-eight million six thousand nine hundred eighteen

Notation

Scientific notation 2.8006918 × 10^7
Engineering notation 2.8006918 × 10^6

Prime Factorization of 28006918

Prime Factorization 2 × 709 × 19751

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28006918
Product of the distinct prime numbers

The prime factorization of 28006918 is 2 × 709 × 19751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28006918)

Multiplication

n×y
n×2 56013836
n×3 84020754
n×4 112027672
n×5 140034590

Division

n÷y
n÷2 14003459
n÷3 9335639.3333333
n÷3 7001729.5
n÷5 5601383.6

Exponentiation

ny
n2 784387455858724
n3 2.1968275156464E+22
n4 6.1526368090852E+29
n5 1.7231639459583E+37

Nth Root

y√n
2√n 5292.1562713132
3√n 303.6839036074
4√n 72.747207996687
5√n 30.864060667783

Divisors of 28006918

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 -28006917
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 28006918 can be divided by 8 positive divisors. The sum of these divisors (counting 28006918) is 1, the average is 0.125.

Base conversion 28006918

Base System Value
2 Binary 1101010110101101000000110
3 Ternary 1221200220021021
4 Quaternary 1222311220012
5 Quinary 24132210133
6 Senary 2440141354
8 Octal 152655006
10 Decimal 28006918
12 Duodecimal 946785a
16 Hexadecimal 1ab5a06
20 Vigesimal 8f0h5i
36 Base36 goa9y

Cryptographic Hash Functions

md5 7520e4818bbe90a21c5aa130bd5491bd
sha1 420a4f3879f923f023651980f5b24a55272eee8d
sha256 0c2d42dabc4a583d0a7df5619c20a09c68be5cd9cba26f92d126bbfd74db9d95
sha512 3885faf89b77e631a0946250ac4c504196f67187878449006d36c7abd561e2443dca0443b37e245fb6b4b941c3aada33d164fd24ec188e94518e894d05fea837
ripemd-160 1f1563ba048052268260781d71b5665d38ecb1d4

28006918 as geometric shapes

Circle

Radius = n
Diameter 56013836
Circumference 175972655.67698
Area 2.4642258688938E+15

Sphere

Radius = n
Volume 9.2020495791448E+22
Surface area 9.856903475575E+15
Circumference 175972655.67698

Square

Length = n
Perimeter 112027672
Area 784387455858724
Diagonal 39607763.275871

Cube

Length = n
Surface area 4706324735152344
Volume 2.1968275156464E+22
Space diagonal 48509404.939415

Equilateral Triangle

Length = n
Perimeter 84020754
Area 3.3964973159175E+14
Altitude 24254702.469708

Triangular Pyramid

Length = n
Surface area 3.3964973159175E+14
Volume 2.5889860556846E+21
Height 13202587.758624