28131085 (number)

28131085 is an odd 8-digits composite number following 28131084 and preceding 28131086. In scientific notation, it is written as 2.8131085 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 22504864 positive integers (up to 28131085) that are relatively prime to 28131085.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-one thousand eighty-five

Notation

Scientific notation 2.8131085 × 10^7
Engineering notation 2.8131085 × 10^6

Prime Factorization of 28131085

Prime Factorization 5 × 5626217

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28131085
Product of the distinct prime numbers

The prime factorization of 28131085 is 5 × 5626217. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28131085)

Multiplication

n×y
n×2 56262170
n×3 84393255
n×4 112524340
n×5 140655425

Division

n÷y
n÷2 14065542.5
n÷3 9377028.3333333
n÷3 7032771.25
n÷5 5626217

Exponentiation

ny
n2 791357943277225
n3 2.2261757567757E+22
n4 6.2624739438796E+29
n5 1.7617018682556E+37

Nth Root

y√n
2√n 5303.8745271735
3√n 304.13203016702
4√n 72.827704393133
5√n 30.891379059172

Divisors of 28131085

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 -28131084
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 28131085 can be divided by 4 positive divisors. The sum of these divisors (counting 28131085) is 1, the average is 0.25.

Base conversion 28131085

Base System Value
2 Binary 1101011010011111100001101
3 Ternary 1221221012121001
4 Quaternary 1223103330031
5 Quinary 24200143320
6 Senary 2442540301
8 Octal 153237415
10 Decimal 28131085
12 Duodecimal 9507691
16 Hexadecimal 1ad3f0d
20 Vigesimal 8fg7e5
36 Base36 gqy31

Cryptographic Hash Functions

md5 24fd7ea78bcf10bf080dbbc27e5240cc
sha1 40fc8fd9d975181a9f1d96ff345396e21b7867f0
sha256 1dd630289763aa172d7a60da631e9884e887a2eb5683b048f42ca050d13bd81b
sha512 409593c412bd233207be2ccf51496f06ef87be76b2720b504e37e21b466345e62b3a6f490caa1d74a495f3ec5e075b75fc2e9a06afe3f1d994dafa6966e77a57
ripemd-160 75796ff9ce94af73548cecaaa9e2f08d2a4e503b

28131085 as geometric shapes

Circle

Radius = n
Diameter 56262170
Circumference 176752819.94702
Area 2.4861243009597E+15

Sphere

Radius = n
Volume 9.3249832041149E+22
Surface area 9.9444972038386E+15
Circumference 176752819.94702

Square

Length = n
Perimeter 112524340
Area 791357943277225
Diagonal 39783361.93127

Cube

Length = n
Surface area 4748147659663350
Volume 2.2261757567757E+22
Space diagonal 48724468.492039

Equilateral Triangle

Length = n
Perimeter 84393255
Area 3.4266804118234E+14
Altitude 24362234.246019

Triangular Pyramid

Length = n
Surface area 3.4266804118234E+14
Volume 2.6235732895486E+21
Height 13261120.643757