28804749 (number)

28804749 is an odd 8-digits composite number following 28804748 and preceding 28804750. In scientific notation, it is written as 2.8804749 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 17310720 positive integers (up to 28804749) that are relatively prime to 28804749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8804749 × 10^7
Engineering notation 2.8804749 × 10^6

Prime Factorization of 28804749

Prime Factorization 3 × 17 × 47 × 61 × 197

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28804749
Product of the distinct prime numbers

The prime factorization of 28804749 is 3 × 17 × 47 × 61 × 197. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28804749)

Multiplication

n×y
n×2 57609498
n×3 86414247
n×4 115218996
n×5 144023745

Division

n÷y
n÷2 14402374.5
n÷3 9601583
n÷3 7201187.25
n÷5 5760949.8

Exponentiation

ny
n2 829713564953001
n3 2.3899690980366E+22
n4 6.8842459986702E+29
n5 1.9829897804595E+37

Nth Root

y√n
2√n 5367.005589712
3√n 306.54062019577
4√n 73.25984977948
5√n 31.037934982277

Divisors of 28804749

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28804748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28804749 can be divided by 32 positive divisors. The sum of these divisors (counting 28804749) is 1, the average is 0.03125.

Base conversion 28804749

Base System Value
2 Binary 1101101111000011010001101
3 Ternary 2000012102200120
4 Quaternary 1231320122031
5 Quinary 24333222444
6 Senary 2505215153
8 Octal 155703215
10 Decimal 28804749
12 Duodecimal 97914b9
16 Hexadecimal 1b7868d
20 Vigesimal 900bh9
36 Base36 h5dvx

Cryptographic Hash Functions

md5 07a32046ec5ae2529da9609be4ef0465
sha1 183f54fed3ecbf853f86b4fe4b1ec257b9e0fe13
sha256 2ec74095256ba5fec782ff5bb30cc1547ef3c4f21088d7f52bae0cd5a6bdae00
sha512 0758625448850dbe8a6b62e65eb0050ffeaba5f03c390d884750cdc92dedffef17fb79711fcc3ae63c1ea53833f3169a1454f6fca4604de44dfa044761043a8e
ripemd-160 75414173c94673f2b1fda7737d8877501894c970

28804749 as geometric shapes

Circle

Radius = n
Diameter 57609498
Circumference 180985575.6938
Area 2.6066220402401E+15

Sphere

Radius = n
Volume 1.0011079147598E+23
Surface area 1.0426488160961E+16
Circumference 180985575.6938

Square

Length = n
Perimeter 115218996
Area 829713564953001
Diagonal 40736066.696553

Cube

Length = n
Surface area 4978281389718006
Volume 2.3899690980366E+22
Space diagonal 49891288.767269

Equilateral Triangle

Length = n
Perimeter 86414247
Area 3.5927651255692E+14
Altitude 24945644.383634

Triangular Pyramid

Length = n
Surface area 3.5927651255692E+14
Volume 2.8166055934133E+21
Height 13578688.898851