28002021 (number)

28002021 is an odd 8-digits composite number following 28002020 and preceding 28002022. In scientific notation, it is written as 2.8002021 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 17967600 positive integers (up to 28002021) that are relatively prime to 28002021.

Interesting facts

Basic properties

Name

Name twenty-eight million two thousand twenty-one

Notation

Scientific notation 2.8002021 × 10^7
Engineering notation 2.8002021 × 10^6

Prime Factorization of 28002021

Prime Factorization 93 × 211 × 1427

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28002021
Product of the distinct prime numbers

The prime factorization of 28002021 is 93 × 211 × 1427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28002021)

Multiplication

n×y
n×2 56004042
n×3 84006063
n×4 112008084
n×5 140010105

Division

n÷y
n÷2 14001010.5
n÷3 9334007
n÷3 7000505.25
n÷5 5600404.2

Exponentiation

ny
n2 784113180084441
n3 2.1956753735101E+22
n4 6.1483347918213E+29
n5 1.7216579995561E+37

Nth Root

y√n
2√n 5291.6935852334
3√n 303.66620290026
4√n 72.744027832073
5√n 30.862981278205

Divisors of 28002021

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 -28002020
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 28002021 can be divided by 8 positive divisors. The sum of these divisors (counting 28002021) is 1, the average is 0.125.

Base conversion 28002021

Base System Value
2 Binary 1101010110100011011100101
3 Ternary 1221200122112220
4 Quaternary 1222310123211
5 Quinary 24132031041
6 Senary 2440102553
8 Octal 152643345
10 Decimal 28002021
12 Duodecimal 9464a59
16 Hexadecimal 1ab46e5
20 Vigesimal 8f0511
36 Base36 go6hx

Cryptographic Hash Functions

md5 974a3815231ae9f71a83616707d96685
sha1 3285685543e555e2675f7635551de3d0fa0fb07f
sha256 52eb74a5b211e4ccdef36c7598803fc09185707324b55844036faee5a6120a66
sha512 22922f4ddb75f92ff9dbc5961c10be315e797016a95cb1ab93331b00d8aee7bf0acf921559f4bea8c2673d507d12d2372d12069bbbf6644278affa60c285f3b0
ripemd-160 88d05f8005704500f55b0d4bfde4aaab32b6450f

28002021 as geometric shapes

Circle

Radius = n
Diameter 56004042
Circumference 175941886.91853
Area 2.4633642061362E+15

Sphere

Radius = n
Volume 9.1972234974499E+22
Surface area 9.8534568245448E+15
Circumference 175941886.91853

Square

Length = n
Perimeter 112008084
Area 784113180084441
Diagonal 39600837.872056

Cube

Length = n
Surface area 4704679080506646
Volume 2.1956753735101E+22
Space diagonal 48500923.086611

Equilateral Triangle

Length = n
Perimeter 84006063
Area 3.3953096669766E+14
Altitude 24250461.543305

Triangular Pyramid

Length = n
Surface area 3.3953096669766E+14
Volume 2.5876282431555E+21
Height 13200279.290685