28804986 (number)

28804986 is an even 8-digits composite number following 28804985 and preceding 28804987. In scientific notation, it is written as 2.8804986 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 8229960 positive integers (up to 28804986) that are relatively prime to 28804986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8804986 × 10^7
Engineering notation 2.8804986 × 10^6

Prime Factorization of 28804986

Prime Factorization 2 × 21 × 3 × 228611

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28804986
Product of the distinct prime numbers

The prime factorization of 28804986 is 2 × 21 × 3 × 228611. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 74, 63, 123, 215, 4490, 7420, 60817, 37365, 294861, 537874, 4550127, 3679931, 92847202, 2081742, 998442150, 695424290, 211919447, 1335254716

Basic calculations (n = 28804986)

Multiplication

n×y
n×2 57609972
n×3 86414958
n×4 115219944
n×5 144024930

Division

n÷y
n÷2 14402493
n÷3 9601662
n÷3 7201246.5
n÷5 5760997.2

Exponentiation

ny
n2 829727218460196
n3 2.3900280911565E+22
n4 6.8844725705369E+29
n5 1.983071360117E+37

Nth Root

y√n
2√n 5367.0276690176
3√n 306.54146091278
4√n 73.260000471045
5√n 31.037986056955

Divisors of 28804986

1, 2, 3, 6, 21, 42, 63, 126, 228611, 457222, 685833, 1371666, 4800831, 9601662, 14402493, 28804986

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 -28804985
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 28804986 can be divided by 16 positive divisors. The sum of these divisors (counting 28804986) is 1, the average is 0.0625.

Base conversion 28804986

Base System Value
2 Binary 1101101111000011101111010
3 Ternary 2000012110000100
4 Quaternary 1231320131322
5 Quinary 24333224421
6 Senary 2505220230
8 Octal 155703572
10 Decimal 28804986
12 Duodecimal 9791676
16 Hexadecimal 1b7877a
20 Vigesimal 900c96
36 Base36 h5e2i

Cryptographic Hash Functions

md5 b84e93686b92ea70bd87840f206fdc6d
sha1 332f3b2f30b298af1f69b5046906280f4b6d2c9a
sha256 33b305a5a6a5e7f8531e30b0c0371f0a1d6bcde97fbda5056489c460926839d9
sha512 a23dc9c2900dee777e5446b4394c5eb787b9408044368b9d5ac9a38d8c975792a217b514f981109416891dc77a6b03b53ca6244f58d03c471c5d218aa5b9c950
ripemd-160 aad81944f5e965780be5ea774af59dd27ebb1cc1

28804986 as geometric shapes

Circle

Radius = n
Diameter 57609972
Circumference 180987064.80871
Area 2.606664933998E+15

Sphere

Radius = n
Volume 1.0011326257401E+23
Surface area 1.0426659735992E+16
Circumference 180987064.80871

Square

Length = n
Perimeter 115219944
Area 829727218460196
Diagonal 40736401.865167

Cube

Length = n
Surface area 4978363310761176
Volume 2.3900280911565E+22
Space diagonal 49891699.26331

Equilateral Triangle

Length = n
Perimeter 86414958
Area 3.5928242469897E+14
Altitude 24945849.631655

Triangular Pyramid

Length = n
Surface area 3.5928242469897E+14
Volume 2.8166751174718E+21
Height 13578800.621722