28161867 (number)

28161867 is an odd 8-digits composite number following 28161866 and preceding 28161868. In scientific notation, it is written as 2.8161867 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 17709120 positive integers (up to 28161867) that are relatively prime to 28161867.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand eight hundred sixty-seven

Notation

Scientific notation 2.8161867 × 10^7
Engineering notation 2.8161867 × 10^6

Prime Factorization of 28161867

Prime Factorization 3 × 73 × 23 × 5591

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28161867
Product of the distinct prime numbers

The prime factorization of 28161867 is 3 × 73 × 23 × 5591. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161867)

Multiplication

n×y
n×2 56323734
n×3 84485601
n×4 112647468
n×5 140809335

Division

n÷y
n÷2 14080933.5
n÷3 9387289
n÷3 7040466.75
n÷5 5632373.4

Exponentiation

ny
n2 793090752925689
n3 2.2334916302823E+22
n4 6.2899294237624E+29
n5 1.7713615587138E+37

Nth Root

y√n
2√n 5306.7755746781
3√n 304.24292030347
4√n 72.847618867593
5√n 30.898136583817

Divisors of 28161867

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 -28161866
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 28161867 can be divided by 16 positive divisors. The sum of these divisors (counting 28161867) is 1, the average is 0.0625.

Base conversion 28161867

Base System Value
2 Binary 1101011011011011101001011
3 Ternary 1221222202211010
4 Quaternary 1223123131023
5 Quinary 24202134432
6 Senary 2443335003
8 Octal 153333513
10 Decimal 28161867
12 Duodecimal 9521463
16 Hexadecimal 1adb74b
20 Vigesimal 8g04d7
36 Base36 grlu3

Cryptographic Hash Functions

md5 72d2e4c341ed7c61b18d337e01157105
sha1 0d9203939a6e4626a1cdf2eb353b4ce059d62e2d
sha256 ac403567348276341e20859c0edb883867f60de5cdd9332ac9b93d4189606157
sha512 50e9d553186b74666c963ce273d92002ed9037d83987da21d9b1a5310def2d741c4d4d0e3d4b9666550678d2557b75d2a51e440b904444765375ada7e90d18bb
ripemd-160 91efa1eb2183b974d19dadd6c27c17b806aa8d12

28161867 as geometric shapes

Circle

Radius = n
Diameter 56323734
Circumference 176946228.95715
Area 2.4915680830213E+15

Sphere

Radius = n
Volume 9.3556278633989E+22
Surface area 9.9662723320854E+15
Circumference 176946228.95715

Square

Length = n
Perimeter 112647468
Area 793090752925689
Diagonal 39826894.253147

Cube

Length = n
Surface area 4758544517554134
Volume 2.2334916302823E+22
Space diagonal 48777784.479997

Equilateral Triangle

Length = n
Perimeter 84485601
Area 3.4341836977009E+14
Altitude 24388892.239999

Triangular Pyramid

Length = n
Surface area 3.4341836977009E+14
Volume 2.63219512916E+21
Height 13275631.417716