28752421 (number)

28752421 is an odd 8-digits prime number following 28752420 and preceding 28752422. In scientific notation, it is written as 2.8752421 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 28752420 positive integers (up to 28752421) that are relatively prime to 28752421.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-two thousand four hundred twenty-one

Notation

Scientific notation 2.8752421 × 10^7
Engineering notation 2.8752421 × 10^6

Prime Factorization of 28752421

Prime Factorization 28752421

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28752421
Product of the distinct prime numbers

The prime factorization of 28752421 is 28752421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 9, 93, 77, 263, 413, 223, 3563, 51323, 72607, 772101, 143722, 5730513, 1680606, 57921816, 8402693, 273807306, 988208386, 3051702385, 2168059837

Basic calculations (n = 28752421)

Multiplication

n×y
n×2 57504842
n×3 86257263
n×4 115009684
n×5 143762105

Division

n÷y
n÷2 14376210.5
n÷3 9584140.3333333
n÷3 7188105.25
n÷5 5750484.2

Exponentiation

ny
n2 826701713361241
n3 2.3769675703984E+22
n4 6.8343572287441E+29
n5 1.9650431630524E+37

Nth Root

y√n
2√n 5362.1284020434
3√n 306.35488252705
4√n 73.226555306414
5√n 31.026649797647

Divisors of 28752421

1, 28752421

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28752422
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14376211
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5362.1284952899
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999304406
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28752421 can be divided by 2 positive divisors. The sum of these divisors (counting 28752421) is 28752422, the average is 14376211.

Base conversion 28752421

Base System Value
2 Binary 1101101101011101000100101
3 Ternary 2000002202220111
4 Quaternary 1231223220211
5 Quinary 24330034141
6 Senary 2504133021
8 Octal 155535045
10 Decimal 28752421
12 Duodecimal 9767171
16 Hexadecimal 1b6ba25
20 Vigesimal 8je111
36 Base36 h49id

Cryptographic Hash Functions

md5 5c0827e99a9c1ca7da4bf549b17e261d
sha1 bdf765ed111630adaea59945e0ee30a06bee68a1
sha256 21e38237ad5d32ea63b01c0ac43b4913b1d17611c59b16fd7dfadfb044fcd728
sha512 373bc6e67c91eed21705c489977d20115b983a59f820c1128392d8b3e41fdaf227e47ce5ef7f4492a56d9915e0d9f8c0a41b1e7c093613fb6ce042f07a58697e
ripemd-160 047dce230fd2c1cfe315155fbd44a6830dadd8e3

28752421 as geometric shapes

Circle

Radius = n
Diameter 57504842
Circumference 180656789.17304
Area 2.5971600294058E+15

Sphere

Radius = n
Volume 9.9566184759796E+22
Surface area 1.0388640117623E+16
Circumference 180656789.17304

Square

Length = n
Perimeter 115009684
Area 826701713361241
Diagonal 40662063.729261

Cube

Length = n
Surface area 4960210280167446
Volume 2.3769675703984E+22
Space diagonal 49800654.01261

Equilateral Triangle

Length = n
Perimeter 86257263
Area 3.5797234256148E+14
Altitude 24900327.006305

Triangular Pyramid

Length = n
Surface area 3.5797234256148E+14
Volume 2.8012831461487E+21
Height 13554021.243087