28492749 (number)

28492749 is an odd 8-digits composite number following 28492748 and preceding 28492750. In scientific notation, it is written as 2.8492749 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 18919728 positive integers (up to 28492749) that are relatively prime to 28492749.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-two thousand seven hundred forty-nine

Notation

Scientific notation 2.8492749 × 10^7
Engineering notation 2.8492749 × 10^6

Prime Factorization of 28492749

Prime Factorization 3 × 9 × 269 × 3923

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28492749
Product of the distinct prime numbers

The prime factorization of 28492749 is 3 × 9 × 269 × 3923. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 43, 12, 201, 443, 8889, 9513, 42324, 77569, 299910, 396488, 5007035, 7405769, 24129471, 57216030, 384368449, 23546312, 955932740, 4914752274

Basic calculations (n = 28492749)

Multiplication

n×y
n×2 56985498
n×3 85478247
n×4 113970996
n×5 142463745

Division

n÷y
n÷2 14246374.5
n÷3 9497583
n÷3 7123187.25
n÷5 5698549.8

Exponentiation

ny
n2 811836745577001
n3 2.3131460620702E+22
n4 6.5907890146906E+29
n5 1.8778969710754E+37

Nth Root

y√n
2√n 5337.8599644427
3√n 305.4298302272
4√n 73.060659485408
5√n 30.970403987023

Divisors of 28492749

1, 3, 9, 27, 269, 807, 2421, 3923, 7263, 11769, 35307, 105921, 1055287, 3165861, 9497583, 28492749

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 -28492748
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 28492749 can be divided by 16 positive divisors. The sum of these divisors (counting 28492749) is 1, the average is 0.0625.

Base conversion 28492749

Base System Value
2 Binary 1101100101100001111001101
3 Ternary 1222121120201000
4 Quaternary 1230230033031
5 Quinary 24243231444
6 Senary 2454410513
8 Octal 154541715
10 Decimal 28492749
12 Duodecimal 9660a39
16 Hexadecimal 1b2c3cd
20 Vigesimal 8i1bh9
36 Base36 gyp59

Cryptographic Hash Functions

md5 3cdeb3d0bda6b86d2201e84dccd12b13
sha1 8dad55a43524dbfee31699882353d2f39c89dd01
sha256 5bfc3dbfc9a2c12c26e9c7b83168fbf08dc52945761a9f755f91e36d94e88579
sha512 59b7ffa5c0d96148f8e6a8bf81d35b0b56ccf901882abf9b318aca22f8592ac6f5b1dd38a8bb07c3f45f78418e9f9dfaf162058fffa648886b0600c79d951942
ripemd-160 788c19855779b103f2a490607beb0fdb0173d34f

28492749 as geometric shapes

Circle

Radius = n
Diameter 56985498
Circumference 179025221.87796
Area 2.550460355819E+15

Sphere

Radius = n
Volume 9.68928356704E+22
Surface area 1.0201841423276E+16
Circumference 179025221.87796

Square

Length = n
Perimeter 113970996
Area 811836745577001
Diagonal 40294832.065092

Cube

Length = n
Surface area 4871020473462006
Volume 2.3131460620702E+22
Space diagonal 49350888.915307

Equilateral Triangle

Length = n
Perimeter 85478247
Area 3.5153562269768E+14
Altitude 24675444.457654

Triangular Pyramid

Length = n
Surface area 3.5153562269768E+14
Volume 2.7260687772747E+21
Height 13431610.688364