28804985 (number)

28804985 is an odd 8-digits composite number following 28804984 and preceding 28804986. In scientific notation, it is written as 2.8804985 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 20883840 positive integers (up to 28804985) that are relatively prime to 28804985.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred four thousand nine hundred eighty-five

Notation

Scientific notation 2.8804985 × 10^7
Engineering notation 2.8804985 × 10^6

Prime Factorization of 28804985

Prime Factorization 5 × 11 × 439 × 1193

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28804985
Product of the distinct prime numbers

The prime factorization of 28804985 is 5 × 11 × 439 × 1193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 92, 36, 117, 805, 4408, 1304, 26027, 38528, 541749, 119542, 1468860, 1264141, 61358738, 96957381, 733391763, 65592151, 6149709661, 1225077251

Basic calculations (n = 28804985)

Multiplication

n×y
n×2 57609970
n×3 86414955
n×4 115219940
n×5 144024925

Division

n÷y
n÷2 14402492.5
n÷3 9601661.6666667
n÷3 7201246.25
n÷5 5760997

Exponentiation

ny
n2 829727160850225
n3 2.3900278422383E+22
n4 6.8844716145258E+29
n5 1.9830710158934E+37

Nth Root

y√n
2√n 5367.0275758561
3√n 306.54145736546
4√n 73.259999835218
5√n 31.037985841451

Divisors of 28804985

1, 5, 11, 55, 439, 1193, 2195, 4829, 5965, 13123, 24145, 65615, 523727, 2618635, 5760997, 28804985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28804984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28804985 can be divided by 16 positive divisors. The sum of these divisors (counting 28804985) is 1, the average is 0.0625.

Base conversion 28804985

Base System Value
2 Binary 1101101111000011101111001
3 Ternary 2000012110000022
4 Quaternary 1231320131321
5 Quinary 24333224420
6 Senary 2505220225
8 Octal 155703571
10 Decimal 28804985
12 Duodecimal 9791675
16 Hexadecimal 1b78779
20 Vigesimal 900c95
36 Base36 h5e2h

Cryptographic Hash Functions

md5 d287ea797ccbddc34640924375cb0af3
sha1 7db11e759f834ea474293d3e6cebe09e0d4dbe9e
sha256 51ca5d7f642a15ba980842c03f438ea885be3a05c48198e67bcf354217d3c97b
sha512 eca91e58408452afc282861844d6e3ced40235d543c0800442fa1238c30eb4c2016f1d1a5f0e536ba1bf4871046769ef7b6d5e62bf85b1d3611d0866f88a335c
ripemd-160 5512f73bf33c0faf4b592cba20109a4c58648a73

28804985 as geometric shapes

Circle

Radius = n
Diameter 57609970
Circumference 180987058.52553
Area 2.606664753011E+15

Sphere

Radius = n
Volume 1.0011325214735E+23
Surface area 1.0426659012044E+16
Circumference 180987058.52553

Square

Length = n
Perimeter 115219940
Area 829727160850225
Diagonal 40736400.450954

Cube

Length = n
Surface area 4978362965101350
Volume 2.3900278422383E+22
Space diagonal 49891697.531259

Equilateral Triangle

Length = n
Perimeter 86414955
Area 3.5928239975312E+14
Altitude 24945848.76563

Triangular Pyramid

Length = n
Surface area 3.5928239975312E+14
Volume 2.816674824119E+21
Height 13578800.150318