28684889 (number)

28684889 is an odd 8-digits composite number following 28684888 and preceding 28684890. In scientific notation, it is written as 2.8684889 × 10^7. The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors. There are 26281800 positive integers (up to 28684889) that are relatively prime to 28684889.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-four thousand eight hundred eighty-nine

Notation

Scientific notation 2.8684889 × 10^7
Engineering notation 2.8684889 × 10^6

Prime Factorization of 28684889

Prime Factorization 19 × 31 × 31 × 1571

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 925319
Product of the distinct prime numbers

The prime factorization of 28684889 is 19 × 31 × 31 × 1571. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 37, 79, 146, 488, 704, 6927, 22418, 61497, 633300, 307448, 2398842, 3071369, 53577555, 12931410, 943455144, 635624033, 4458286062, 4097911432

Basic calculations (n = 28684889)

Multiplication

n×y
n×2 57369778
n×3 86054667
n×4 114739556
n×5 143424445

Division

n÷y
n÷2 14342444.5
n÷3 9561629.6666667
n÷3 7171222.25
n÷5 5736977.8

Exponentiation

ny
n2 822822856942321
n3 2.3602582318053E+22
n4 6.7703745390672E+29
n5 1.9420744214157E+37

Nth Root

y√n
2√n 5355.8275737742
3√n 306.11484504048
4√n 73.18351982362
5√n 31.012061370382

Divisors of 28684889

1, 19, 31, 589, 961, 1571, 18259, 29849, 48701, 925319, 1509731, 28684889

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 -28684888
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 28684889 can be divided by 12 positive divisors. The sum of these divisors (counting 28684889) is 1, the average is 0.083333333333333.

Base conversion 28684889

Base System Value
2 Binary 1101101011011001001011001
3 Ternary 1222222100021022
4 Quaternary 1231123021121
5 Quinary 24320404024
6 Senary 2502452225
8 Octal 155331131
10 Decimal 28684889
12 Duodecimal 9734075
16 Hexadecimal 1b5b259
20 Vigesimal 8j5c49
36 Base36 h2teh

Cryptographic Hash Functions

md5 d97f103d2f87efe6911170f68e6319c5
sha1 ecd7e0d11c3ecd7daf5e9d466d9f4a51a2e663e2
sha256 59a0c37bf8170b9defeb0c6586c367f75c4f865b4ae78d1a438250d7b63a1cfc
sha512 0488d2c5d66fea0a39664982beb26db5efee59326a4cf725e32014ed8f527ea6235620866d3d804f5319c9f0ccdc0f4cb748a4e4778e84128717dee440ee3699
ripemd-160 1f2e26457cc4dc520a1baae0ea721153a5ba54bc

28684889 as geometric shapes

Circle

Radius = n
Diameter 57369778
Circumference 180232473.10288
Area 2.5849742425758E+15

Sphere

Radius = n
Volume 9.8866265621526E+22
Surface area 1.0339896970303E+16
Circumference 180232473.10288

Square

Length = n
Perimeter 114739556
Area 822822856942321
Diagonal 40566559.058967

Cube

Length = n
Surface area 4936937141653926
Volume 2.3602582318053E+22
Space diagonal 49683685.157474

Equilateral Triangle

Length = n
Perimeter 86054667
Area 3.5629274846327E+14
Altitude 24841842.578737

Triangular Pyramid

Length = n
Surface area 3.5629274846327E+14
Volume 2.7815910017682E+21
Height 13522186.352989