28508749 (number)

28508749 is an odd 8-digits composite number following 28508748 and preceding 28508750. In scientific notation, it is written as 2.8508749 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 28481436 positive integers (up to 28508749) that are relatively prime to 28508749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8508749 × 10^7
Engineering notation 2.8508749 × 10^6

Prime Factorization of 28508749

Prime Factorization 1087 × 26227

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28508749
Product of the distinct prime numbers

The prime factorization of 28508749 is 1087 × 26227. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28508749)

Multiplication

n×y
n×2 57017498
n×3 85526247
n×4 114034996
n×5 142543745

Division

n÷y
n÷2 14254374.5
n÷3 9502916.3333333
n÷3 7127187.25
n÷5 5701749.8

Exponentiation

ny
n2 812748769545001
n3 2.3170450671017E+22
n4 6.6056056239691E+29
n5 1.8831755272672E+37

Nth Root

y√n
2√n 5339.3584820651
3√n 305.48699053411
4√n 73.070914063429
5√n 30.97388146964

Divisors of 28508749

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28508748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28508749 can be divided by 4 positive divisors. The sum of these divisors (counting 28508749) is 1, the average is 0.25.

Base conversion 28508749

Base System Value
2 Binary 1101100110000001001001101
3 Ternary 1222122101122121
4 Quaternary 1230300021031
5 Quinary 24244234444
6 Senary 2455012541
8 Octal 154601115
10 Decimal 28508749
12 Duodecimal 966a151
16 Hexadecimal 1b3024d
20 Vigesimal 8i3bh9
36 Base36 gz1hp

Cryptographic Hash Functions

md5 0d9ffb2ff716c54b7c558cbc4bb16e82
sha1 6be785dedbef4ba143290e67638ad5f2d585d9b2
sha256 1aef3e4cbc14d3e6b28dbcd8644acad670e625dbd1f19819d1d662f25c3f36e5
sha512 514e99b8885b57b40bb23978712b884ba5627f19d74f848353ff4f08fae759e9327b11eba29f3f27980005b50a9f86de6cb5d4a759a6e4131f253e4d8e9dd9c1
ripemd-160 646ba1ff13178014cb0885198967c2f9c4db029e

28508749 as geometric shapes

Circle

Radius = n
Diameter 57017498
Circumference 179125752.84287
Area 2.5533255636167E+15

Sphere

Radius = n
Volume 9.7056156811243E+22
Surface area 1.0213302254467E+16
Circumference 179125752.84287

Square

Length = n
Perimeter 114034996
Area 812748769545001
Diagonal 40317459.48209

Cube

Length = n
Surface area 4876492617270006
Volume 2.3170450671017E+22
Space diagonal 49378601.728228

Equilateral Triangle

Length = n
Perimeter 85526247
Area 3.5193054066026E+14
Altitude 24689300.864114

Triangular Pyramid

Length = n
Surface area 3.5193054066026E+14
Volume 2.7306637987708E+21
Height 13439153.160697