28404865 (number)

28404865 is an odd 8-digits composite number following 28404864 and preceding 28404866. In scientific notation, it is written as 2.8404865 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 22638960 positive integers (up to 28404865) that are relatively prime to 28404865.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred four thousand eight hundred sixty-five

Notation

Scientific notation 2.8404865 × 10^7
Engineering notation 2.8404865 × 10^6

Prime Factorization of 28404865

Prime Factorization 5 × 271 × 20963

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28404865
Product of the distinct prime numbers

The prime factorization of 28404865 is 5 × 271 × 20963. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 7, 77, 89, 986, 426, 8576, 2479, 83361, 21030, 874360, 77845, 319669, 6323484, 11746267, 53523906, 894206472, 732733458, 1963435114, 6883820625

Basic calculations (n = 28404865)

Multiplication

n×y
n×2 56809730
n×3 85214595
n×4 113619460
n×5 142024325

Division

n÷y
n÷2 14202432.5
n÷3 9468288.3333333
n÷3 7101216.25
n÷5 5680973

Exponentiation

ny
n2 806836355668225
n3 2.2918077759848E+22
n4 6.5098490482798E+29
n5 1.8491138338677E+37

Nth Root

y√n
2√n 5329.6214687349
3√n 305.1154807711
4√n 73.004256511075
5√n 30.951275139184

Divisors of 28404865

1, 5, 271, 1355, 20963, 104815, 5680973, 28404865

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 -28404864
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 28404865 can be divided by 8 positive divisors. The sum of these divisors (counting 28404865) is 1, the average is 0.125.

Base conversion 28404865

Base System Value
2 Binary 1101100010110110010000001
3 Ternary 1222110010011001
4 Quaternary 1230112302001
5 Quinary 24232423430
6 Senary 2452452001
8 Octal 154266201
10 Decimal 28404865
12 Duodecimal 961a001
16 Hexadecimal 1b16c81
20 Vigesimal 8hac35
36 Base36 gwtc1

Cryptographic Hash Functions

md5 35fb89632a8aec134bff4c728d3de10e
sha1 8f562cdd9a3676a5d7d30fd4cb673af705a81956
sha256 4cece3a4836f9423226e1e054a94680b422ef43509615f0daa490601665370ee
sha512 3bd7b8490b169355d1ad79def270914c2ab7283fca3db8af7d17eed562177c052143896f47d01ddc3c49e1e7c76e2db5221bbdd3a277669b13a7b77ca927093b
ripemd-160 7b967826efeaa8f06bfe61f0a6c9b4654cc26f25

28404865 as geometric shapes

Circle

Radius = n
Diameter 56809730
Circumference 178473030.42042
Area 2.5347511676165E+15

Sphere

Radius = n
Volume 9.5999019632984E+22
Surface area 1.0139004670466E+16
Circumference 178473030.42042

Square

Length = n
Perimeter 113619460
Area 806836355668225
Diagonal 40170545.320377

Cube

Length = n
Surface area 4841018134009350
Volume 2.2918077759848E+22
Space diagonal 49198669.362135

Equilateral Triangle

Length = n
Perimeter 85214595
Area 3.4937039035277E+14
Altitude 24599334.681067

Triangular Pyramid

Length = n
Surface area 3.4937039035277E+14
Volume 2.7009213659582E+21
Height 13390181.773459