28131837 (number)

28131837 is an odd 8-digits composite number following 28131836 and preceding 28131838. In scientific notation, it is written as 2.8131837 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 17767440 positive integers (up to 28131837) that are relatively prime to 28131837.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-one thousand eight hundred thirty-seven

Notation

Scientific notation 2.8131837 × 10^7
Engineering notation 2.8131837 × 10^6

Prime Factorization of 28131837

Prime Factorization 3 × 19 × 493541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28131837
Product of the distinct prime numbers

The prime factorization of 28131837 is 3 × 19 × 493541. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 91, 39, 466, 963, 4669, 3116, 44999, 8046, 451736, 861032, 6473542, 7897548, 27503628, 78686424, 734292900, 172303286, 2218392715, 6271991999

Basic calculations (n = 28131837)

Multiplication

n×y
n×2 56263674
n×3 84395511
n×4 112527348
n×5 140659185

Division

n÷y
n÷2 14065918.5
n÷3 9377279
n÷3 7032959.25
n÷5 5626367.4

Exponentiation

ny
n2 791400252994569
n3 2.2263542919002E+22
n4 6.2631436043987E+29
n5 1.7619373498654E+37

Nth Root

y√n
2√n 5303.9454182712
3√n 304.13474016143
4√n 72.828191095696
5√n 30.891544215039

Divisors of 28131837

1, 3, 19, 57, 493541, 1480623, 9377279, 28131837

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 -28131836
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 28131837 can be divided by 8 positive divisors. The sum of these divisors (counting 28131837) is 1, the average is 0.125.

Base conversion 28131837

Base System Value
2 Binary 1101011010100000111111101
3 Ternary 1221221020121220
4 Quaternary 1223110013331
5 Quinary 24200204322
6 Senary 2442543553
8 Octal 153240775
10 Decimal 28131837
12 Duodecimal 9507bb9
16 Hexadecimal 1ad41fd
20 Vigesimal 8fg9bh
36 Base36 gqynx

Cryptographic Hash Functions

md5 85a3647056cecf9d41f772af03c706d8
sha1 f9bf5cfc9d5e375fff9e23316d9ea3ae7ba3f79e
sha256 6b4bf3427f5b173197e0d20149b3d20fae97edd02ba51bf4031fed9ebc27f8d1
sha512 384174759648d69896d4c6750148e0e3139edbcee7404e98835c805e252b1aae3118e7354d8dc7fa49b61a5d2cfdc90c1e4e05ca58ee0b8aa5d943a40e88d75f
ripemd-160 6feb83cf6f6c3f21b49b1b1c64f7f936cfd65bc2

28131837 as geometric shapes

Circle

Radius = n
Diameter 56263674
Circumference 176757544.90237
Area 2.4862572208568E+15

Sphere

Radius = n
Volume 9.3257310502957E+22
Surface area 9.9450288834274E+15
Circumference 176757544.90237

Square

Length = n
Perimeter 112527348
Area 791400252994569
Diagonal 39784425.419869

Cube

Length = n
Surface area 4748401517967414
Volume 2.2263542919002E+22
Space diagonal 48725770.994246

Equilateral Triangle

Length = n
Perimeter 84395511
Area 3.4268636182736E+14
Altitude 24362885.497123

Triangular Pyramid

Length = n
Surface area 3.4268636182736E+14
Volume 2.6237836952107E+21
Height 13261475.139956