28006909 (number)

28006909 is an odd 8-digits composite number following 28006908 and preceding 28006910. In scientific notation, it is written as 2.8006909 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 24005916 positive integers (up to 28006909) that are relatively prime to 28006909.

Interesting facts

Basic properties

Name

Name twenty-eight million six thousand nine hundred nine

Notation

Scientific notation 2.8006909 × 10^7
Engineering notation 2.8006909 × 10^6

Prime Factorization of 28006909

Prime Factorization 7 × 4000987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28006909
Product of the distinct prime numbers

The prime factorization of 28006909 is 7 × 4000987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28006909)

Multiplication

n×y
n×2 56013818
n×3 84020727
n×4 112027636
n×5 140034545

Division

n÷y
n÷2 14003454.5
n÷3 9335636.3333333
n÷3 7001727.25
n÷5 5601381.8

Exponentiation

ny
n2 784386951734281
n3 2.1968253978009E+22
n4 6.15262890051E+29
n5 1.7231611772735E+37

Nth Root

y√n
2√n 5292.1554209981
3√n 303.68387107787
4√n 72.747202152372
5√n 30.864058684155

Divisors of 28006909

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28006908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28006909 can be divided by 4 positive divisors. The sum of these divisors (counting 28006909) is 1, the average is 0.25.

Base conversion 28006909

Base System Value
2 Binary 1101010110101100111111101
3 Ternary 1221200220020221
4 Quaternary 1222311213331
5 Quinary 24132210114
6 Senary 2440141341
8 Octal 152654775
10 Decimal 28006909
12 Duodecimal 9467851
16 Hexadecimal 1ab59fd
20 Vigesimal 8f0h59
36 Base36 goa9p

Cryptographic Hash Functions

md5 36ad7dc00de2e4bf7c90a93335209637
sha1 05756aadafc09ded3f466677ae8531df53ced5ee
sha256 3e6e4b55989c4010602897b7a724ad8c075d0a1c87b41f4df3b649b6ffd8caa5
sha512 e830ba4909dabee786aa105cb8ad7707443a9df0fc99674185954ce9ce9ccf0f8cd09bd059f7b7633e3851b80ed7f25b5f5dab009fff3c6616c14805a8b5d8f1
ripemd-160 7871aa562ebbd196e076523a583190b17d7e72af

28006909 as geometric shapes

Circle

Radius = n
Diameter 56013818
Circumference 175972599.12832
Area 2.4642242851401E+15

Sphere

Radius = n
Volume 9.2020407079345E+22
Surface area 9.8568971405604E+15
Circumference 175972599.12832

Square

Length = n
Perimeter 112027636
Area 784386951734281
Diagonal 39607750.547949

Cube

Length = n
Surface area 4706321710405686
Volume 2.1968253978009E+22
Space diagonal 48509389.350958

Equilateral Triangle

Length = n
Perimeter 84020727
Area 3.3964951329946E+14
Altitude 24254694.675479

Triangular Pyramid

Length = n
Surface area 3.3964951329946E+14
Volume 2.5889835597798E+21
Height 13202583.515983