28665890 (number)

28665890 is an even 8-digits composite number following 28665889 and preceding 28665891. In scientific notation, it is written as 2.8665890 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 10382400 positive integers (up to 28665890) that are relatively prime to 28665890.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-five thousand eight hundred ninety

Notation

Scientific notation 2.8665890 × 10^7
Engineering notation 2.8665890 × 10^6

Prime Factorization of 28665890

Prime Factorization 2 × 55 × 421 × 619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28665890
Product of the distinct prime numbers

The prime factorization of 28665890 is 2 × 55 × 421 × 619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 87, 88, 970, 91, 6460, 3191, 89018, 2217, 345262, 900940, 4063055, 4922932, 60397619, 63046313, 250577497, 962222495, 3786188607, 2409260466

Basic calculations (n = 28665890)

Multiplication

n×y
n×2 57331780
n×3 85997670
n×4 114663560
n×5 143329450

Division

n÷y
n÷2 14332945
n÷3 9555296.6666667
n÷3 7166472.5
n÷5 5733178

Exponentiation

ny
n2 821733249492100
n3 2.3555714939283E+22
n4 6.7524553332085E+29
n5 1.9356514181167E+37

Nth Root

y√n
2√n 5354.0536045131
3√n 306.04724660991
4√n 73.171398814791
5√n 31.007952208136

Divisors of 28665890

1, 2, 55, 110, 421, 619, 842, 1238, 23155, 34045, 46310, 68090, 260599, 521198, 14332945, 28665890

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 -28665889
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 28665890 can be divided by 16 positive divisors. The sum of these divisors (counting 28665890) is 1, the average is 0.0625.

Base conversion 28665890

Base System Value
2 Binary 1101101010110100000100010
3 Ternary 1222221101012122
4 Quaternary 1231112200202
5 Quinary 24314302030
6 Senary 2502224242
8 Octal 155264042
10 Decimal 28665890
12 Duodecimal 9725082
16 Hexadecimal 1b56822
20 Vigesimal 8j34ea
36 Base36 h2eqq

Cryptographic Hash Functions

md5 4fc9aec2e77b3beccf418a074cd811c7
sha1 ba66f447a05c1d3b359b109f08ce214fae1b8cfa
sha256 9363e5068abd252de88cbbe0f7e6981c8c5c1a6039c2a4f2fbf4dea425de52e1
sha512 c6b8565df1be5880e84ffe5fa5bb5f57a50ad17055ed320ea00a49d2db86159610796b295e055503d9582f1b42480fce0f6b2d7404df5ebeab0b27fa4293dad5
ripemd-160 b5a5d8ee079baefac5ee3cb9ec990a828a099b2a

28665890 as geometric shapes

Circle

Radius = n
Diameter 57331780
Circumference 180113098.86523
Area 2.5815511398148E+15

Sphere

Radius = n
Volume 9.8669948004409E+22
Surface area 1.0326204559259E+16
Circumference 180113098.86523

Square

Length = n
Perimeter 114663560
Area 821733249492100
Diagonal 40539690.415495

Cube

Length = n
Surface area 4930399496952600
Volume 2.3555714939283E+22
Space diagonal 49650777.924181

Equilateral Triangle

Length = n
Perimeter 85997670
Area 3.5582093459725E+14
Altitude 24825388.96209

Triangular Pyramid

Length = n
Surface area 3.5582093459725E+14
Volume 2.7760676282107E+21
Height 13513230.138498