28511091 (number)

28511091 is an odd 8-digits composite number following 28511090 and preceding 28511092. In scientific notation, it is written as 2.8511091 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 15329664 positive integers (up to 28511091) that are relatively prime to 28511091.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred eleven thousand ninety-one

Notation

Scientific notation 2.8511091 × 10^7
Engineering notation 2.8511091 × 10^6

Prime Factorization of 28511091

Prime Factorization 9 × 49 × 17 × 3803

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28511091
Product of the distinct prime numbers

The prime factorization of 28511091 is 9 × 49 × 17 × 3803. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28511091)

Multiplication

n×y
n×2 57022182
n×3 85533273
n×4 114044364
n×5 142555455

Division

n÷y
n÷2 14255545.5
n÷3 9503697
n÷3 7127772.75
n÷5 5702218.2

Exponentiation

ny
n2 812882310010281
n3 2.3176161512993E+22
n4 6.6077764992765E+29
n5 1.8839491707853E+37

Nth Root

y√n
2√n 5339.5777922978
3√n 305.49535557953
4√n 73.072414715115
5√n 30.974390355153

Divisors of 28511091

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 -28511090
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 28511091 can be divided by 16 positive divisors. The sum of these divisors (counting 28511091) is 1, the average is 0.0625.

Base conversion 28511091

Base System Value
2 Binary 1101100110000101101110011
3 Ternary 1222122111212100
4 Quaternary 1230300231303
5 Quinary 24244323331
6 Senary 2455031443
8 Octal 154605563
10 Decimal 28511091
12 Duodecimal 966b583
16 Hexadecimal 1b30b73
20 Vigesimal 8i3heb
36 Base36 gz3ar

Cryptographic Hash Functions

md5 e6062622443665b66d1160d58eb8f5ed
sha1 9b7b130832b224246e2890c6bc4438f5c44a00e4
sha256 c21c56d023e21a1df23bee30daae2680832a3a1574e9063bd2ecfc615229dbe7
sha512 6efb9e805977d853b4ee1115f4d9711fd64fda178d42e533d1edaf877e9d6de9411f76edd2cc51edbead905ef69a44c9eb98a5ac5eb912e5ac05fb58b2cfde56
ripemd-160 ac70a86a0b97e9c7c59d169588f68d2ed6610f0f

28511091 as geometric shapes

Circle

Radius = n
Diameter 57022182
Circumference 179140468.06286
Area 2.5537450933614E+15

Sphere

Radius = n
Volume 9.7080078330174E+22
Surface area 1.0214980373446E+16
Circumference 179140468.06286

Square

Length = n
Perimeter 114044364
Area 812882310010281
Diagonal 40320771.570253

Cube

Length = n
Surface area 4877293860061686
Volume 2.3176161512993E+22
Space diagonal 49382658.19122

Equilateral Triangle

Length = n
Perimeter 85533273
Area 3.5198836537794E+14
Altitude 24691329.09561

Triangular Pyramid

Length = n
Surface area 3.5198836537794E+14
Volume 2.731336827952E+21
Height 13440257.190084