28890018 (number)

28890018 is an even 8-digits composite number following 28890017 and preceding 28890019. In scientific notation, it is written as 2.8890018 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 9630000 positive integers (up to 28890018) that are relatively prime to 28890018.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred ninety thousand eighteen

Notation

Scientific notation 2.8890018 × 10^7
Engineering notation 2.8890018 × 10^6

Prime Factorization of 28890018

Prime Factorization 2 × 3 × 3 × 1605001

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9630006
Product of the distinct prime numbers

The prime factorization of 28890018 is 2 × 3 × 3 × 1605001. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 56, 50, 701, 71, 787, 4846, 8391, 80960, 62098, 523009, 8257886, 80362, 81477093, 54183369, 485782414, 536205771, 9366154517, 2457100385

Basic calculations (n = 28890018)

Multiplication

n×y
n×2 57780036
n×3 86670054
n×4 115560072
n×5 144450090

Division

n÷y
n÷2 14445009
n÷3 9630006
n÷3 7222504.5
n÷5 5778003.6

Exponentiation

ny
n2 834633140040324
n3 2.4112566439161E+22
n4 6.9661247845357E+29
n5 2.0125147041548E+37

Nth Root

y√n
2√n 5374.9435345871
3√n 306.84280025731
4√n 73.314006401145
5√n 31.0562892157

Divisors of 28890018

1, 2, 3, 6, 9, 18, 1605001, 3210002, 4815003, 9630006, 14445009, 28890018

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28890017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28890018 can be divided by 12 positive divisors. The sum of these divisors (counting 28890018) is 1, the average is 0.083333333333333.

Base conversion 28890018

Base System Value
2 Binary 1101110001101001110100010
3 Ternary 2000100202122200
4 Quaternary 1232031032202
5 Quinary 24343440033
6 Senary 2511114030
8 Octal 156151642
10 Decimal 28890018
12 Duodecimal 9812916
16 Hexadecimal 1b8d3a2
20 Vigesimal 90b50i
36 Base36 h77oi

Cryptographic Hash Functions

md5 73ee0cb18b1029e75f9ab1f3cae4550a
sha1 dc60966d5306ccb8525cba99f56bdc465427424d
sha256 9573b63349bdc66b821ec817afb1f01b2b77052409e3ce15322c87607ad83db4
sha512 c30015a0cd275cfd12815ce6b11142334a196010011f53ac794a4ee83a7d804866e1165e2f2c9240948e4bfc72cc5154096f5e9f7fcfb37c28d678678939d0e1
ripemd-160 16fbaa028cc602ac5add4762b92e9e68da45534a

28890018 as geometric shapes

Circle

Radius = n
Diameter 57780036
Circumference 181521336.62175
Area 2.6220773411933E+15

Sphere

Radius = n
Volume 1.0100248211262E+23
Surface area 1.0488309364773E+16
Circumference 181521336.62175

Square

Length = n
Perimeter 115560072
Area 834633140040324
Diagonal 40856655.272803

Cube

Length = n
Surface area 5007798840241944
Volume 2.4112566439161E+22
Space diagonal 50038979.007579

Equilateral Triangle

Length = n
Perimeter 86670054
Area 3.6140675105765E+14
Altitude 25019489.50379

Triangular Pyramid

Length = n
Surface area 3.6140675105765E+14
Volume 2.8416932068237E+21
Height 13618885.090934