28018020 (number)

28018020 is an even 8-digits composite number following 28018019 and preceding 28018021. In scientific notation, it is written as 2.8018020 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 7365120 positive integers (up to 28018020) that are relatively prime to 28018020.

Interesting facts

Basic properties

Name

Name twenty-eight million eighteen thousand twenty

Notation

Scientific notation 2.8018020 × 10^7
Engineering notation 2.8018020 × 10^6

Prime Factorization of 28018020

Prime Factorization 2 × 2 × 15 × 71 × 6577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14009010
Product of the distinct prime numbers

The prime factorization of 28018020 is 2 × 2 × 15 × 71 × 6577. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 15, 50, 325, 367, 6439, 65, 41881, 25827, 523258, 396370, 2910115, 2795699, 21388267, 8936376, 228147063, 712283344, 3020610467, 3109004530

Basic calculations (n = 28018020)

Multiplication

n×y
n×2 56036040
n×3 84054060
n×4 112072080
n×5 140090100

Division

n÷y
n÷2 14009010
n÷3 9339340
n÷3 7004505
n÷5 5603604

Exponentiation

ny
n2 785009444720400
n3 2.1994410322365E+22
n4 6.1623982830023E+29
n5 1.7265819834112E+37

Nth Root

y√n
2√n 5293.2050782111
3√n 303.72402528146
4√n 72.754416211053
5√n 30.866507195338

Divisors of 28018020

1, 2, 4, 15, 30, 60, 71, 142, 284, 1065, 2130, 4260, 6577, 13154, 26308, 98655, 197310, 394620, 466967, 933934, 1867868, 7004505, 14009010, 28018020

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28018019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28018020 can be divided by 24 positive divisors. The sum of these divisors (counting 28018020) is 1, the average is 0.041666666666667.

Base conversion 28018020

Base System Value
2 Binary 1101010111000010101100100
3 Ternary 1221201110111110
4 Quaternary 1222320111210
5 Quinary 24133034040
6 Senary 2440305020
8 Octal 152702544
10 Decimal 28018020
12 Duodecimal 9472170
16 Hexadecimal 1ab8564
20 Vigesimal 8f2510
36 Base36 goiuc

Cryptographic Hash Functions

md5 92f5ab67fb8874b22b0526bc8810e2df
sha1 bb971c2feb6633997c8e449866d70ec67bedf90a
sha256 c47c6c2fb679974dac7d3f6843202030f74f1074ea8daf9343372d8ff2e8db47
sha512 b0fc63fd1019bd21c917fd599e0c5cec362dbecbf54fe1bae6d35a8855abcde83b0479e8f98b24cfa5f17103afd62791d5b6e80c816496bbf98ffc7bf24a21c4
ripemd-160 08de93f33cb5dc9267b490b84596ec2da14fa2d4

28018020 as geometric shapes

Circle

Radius = n
Diameter 56036040
Circumference 176042411.60026
Area 2.4661799045322E+15

Sphere

Radius = n
Volume 9.2129970518375E+22
Surface area 9.8647196181288E+15
Circumference 176042411.60026

Square

Length = n
Perimeter 112072080
Area 785009444720400
Diagonal 39623463.874841

Cube

Length = n
Surface area 4710056668322400
Volume 2.1994410322365E+22
Space diagonal 48528634.167481

Equilateral Triangle

Length = n
Perimeter 84054060
Area 3.3991906066929E+14
Altitude 24264317.08374

Triangular Pyramid

Length = n
Surface area 3.3991906066929E+14
Volume 2.592066114524E+21
Height 13207821.291614