28131091 (number)

28131091 is an odd 8-digits prime number following 28131090 and preceding 28131092. In scientific notation, it is written as 2.8131091 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 28131090 positive integers (up to 28131091) that are relatively prime to 28131091.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-one thousand ninety-one

Notation

Scientific notation 2.8131091 × 10^7
Engineering notation 2.8131091 × 10^6

Prime Factorization of 28131091

Prime Factorization 28131091

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28131091
Product of the distinct prime numbers

The prime factorization of 28131091 is 28131091. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28131091)

Multiplication

n×y
n×2 56262182
n×3 84393273
n×4 112524364
n×5 140655455

Division

n÷y
n÷2 14065545.5
n÷3 9377030.3333333
n÷3 7032772.75
n÷5 5626218.2

Exponentiation

ny
n2 791358280850281
n3 2.2261771812203E+22
n4 6.2624792867031E+29
n5 1.7617037469986E+37

Nth Root

y√n
2√n 5303.8750927977
3√n 304.13205178951
4√n 72.827708276436
5√n 30.891380376919

Divisors of 28131091

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28131092
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14065546
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5303.8751870684
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999289043
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28131091 can be divided by 2 positive divisors. The sum of these divisors (counting 28131091) is 28131092, the average is 14065546.

Base conversion 28131091

Base System Value
2 Binary 1101011010011111100010011
3 Ternary 1221221012121021
4 Quaternary 1223103330103
5 Quinary 24200143331
6 Senary 2442540311
8 Octal 153237423
10 Decimal 28131091
12 Duodecimal 9507697
16 Hexadecimal 1ad3f13
20 Vigesimal 8fg7eb
36 Base36 gqy37

Cryptographic Hash Functions

md5 5e16f28c3fd8f381fe9209cc150af605
sha1 65fbef32af9d10c6882fe2416e8bd06ad2fe8e07
sha256 1ae48f394a46e6ccf08585dfe77e35112b86918f05c672d6fd0082b2a7331e8e
sha512 3206abf7722d498c800ca77183dd9ba13e15d47c5dfdde409eac954b1ed265257b02af949565571cef448d9a472747dd599372a11c6560cd8067f6f84a3016e8
ripemd-160 03ef941f24bd775fa2a78c4db975ec0f6497e49c

28131091 as geometric shapes

Circle

Radius = n
Diameter 56262182
Circumference 176752857.64613
Area 2.4861253614767E+15

Sphere

Radius = n
Volume 9.3249891708145E+22
Surface area 9.9445014459068E+15
Circumference 176752857.64613

Square

Length = n
Perimeter 112524364
Area 791358280850281
Diagonal 39783370.416552

Cube

Length = n
Surface area 4748149685101686
Volume 2.2261771812203E+22
Space diagonal 48724478.884344

Equilateral Triangle

Length = n
Perimeter 84393273
Area 3.4266818735576E+14
Altitude 24362239.442172

Triangular Pyramid

Length = n
Surface area 3.4266818735576E+14
Volume 2.6235749682727E+21
Height 13261123.472184