27991906 (number)

27991906 is an even 8-digits composite number following 27991905 and preceding 27991907. In scientific notation, it is written as 2.7991906 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 13617648 positive integers (up to 27991906) that are relatively prime to 27991906.

Interesting facts

Basic properties

Name

Name twenty-seven million nine hundred ninety-one thousand nine hundred six

Notation

Scientific notation 2.7991906 × 10^7
Engineering notation 2.7991906 × 10^6

Prime Factorization of 27991906

Prime Factorization 2 × 37 × 378269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 27991906
Product of the distinct prime numbers

The prime factorization of 27991906 is 2 × 37 × 378269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27991906)

Multiplication

n×y
n×2 55983812
n×3 83975718
n×4 111967624
n×5 139959530

Division

n÷y
n÷2 13995953
n÷3 9330635.3333333
n÷3 6997976.5
n÷5 5598381.2

Exponentiation

ny
n2 783546801512836
n3 2.1932968414548E+22
n4 6.13945590161E+29
n5 1.7185507248901E+37

Nth Root

y√n
2√n 5290.7377557388
3√n 303.629634664
4√n 72.737457721169
5√n 30.860751266507

Divisors of 27991906

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -27991905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 27991906 can be divided by 8 positive divisors. The sum of these divisors (counting 27991906) is 1, the average is 0.125.

Base conversion 27991906

Base System Value
2 Binary 1101010110001111101100010
3 Ternary 1221200010200021
4 Quaternary 1222301331202
5 Quinary 24131220111
6 Senary 2435544054
8 Octal 152617542
10 Decimal 27991906
12 Duodecimal 945b02a
16 Hexadecimal 1ab1f62
20 Vigesimal 8eijf6
36 Base36 gnyoy

Cryptographic Hash Functions

md5 2ed8cdf85982ec47bc8dcaa52c562441
sha1 b4e5338ed681c1959ea122e3488fb6d5a5e4cd1f
sha256 77c3d77ed0d82296da45c55156408e5c438035179ab6af5fd1047035decedc45
sha512 0420ed63e6131d02fb972b15d8ef2c397768cecd80e05b44664b8c5c4af7f233de5d13c3e9a9e8eb33f1ab46ca0431e03ddf35140c57ae9ffb594ba2d9237783
ripemd-160 aa6cedc056d9923a613e57c2655b53203f8e2f15

27991906 as geometric shapes

Circle

Radius = n
Diameter 55983812
Circumference 175878332.49915
Area 2.4615848753765E+15

Sphere

Radius = n
Volume 9.1872603256748E+22
Surface area 9.846339501506E+15
Circumference 175878332.49915

Square

Length = n
Perimeter 111967624
Area 783546801512836
Diagonal 39586533.101873

Cube

Length = n
Surface area 4701280809077016
Volume 2.1932968414548E+22
Space diagonal 48483403.392692

Equilateral Triangle

Length = n
Perimeter 83975718
Area 3.3928571758208E+14
Altitude 24241701.696346

Triangular Pyramid

Length = n
Surface area 3.3928571758208E+14
Volume 2.5848251162462E+21
Height 13195511.033958