27991738 (number)

27991738 is an even 8-digits composite number following 27991737 and preceding 27991739. In scientific notation, it is written as 2.7991738 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 13652496 positive integers (up to 27991738) that are relatively prime to 27991738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7991738 × 10^7
Engineering notation 2.7991738 × 10^6

Prime Factorization of 27991738

Prime Factorization 2 × 53 × 199 × 1327

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27991738
Product of the distinct prime numbers

The prime factorization of 27991738 is 2 × 53 × 199 × 1327. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 54, 26, 150, 33, 4137, 4773, 30682, 93094, 859421, 168179, 9366502, 8492400, 77749460, 77472561, 536083397, 622727396, 1926557944, 8126976835

Basic calculations (n = 27991738)

Multiplication

n×y
n×2 55983476
n×3 83975214
n×4 111966952
n×5 139958690

Division

n÷y
n÷2 13995869
n÷3 9330579.3333333
n÷3 6997934.5
n÷5 5598347.6

Exponentiation

ny
n2 783537396260644
n3 2.193257350933E+22
n4 6.1393085133891E+29
n5 1.7184991540796E+37

Nth Root

y√n
2√n 5290.7218789122
3√n 303.62902722792
4√n 72.737348583188
5√n 30.860714222808

Divisors of 27991738

1, 2, 53, 106, 199, 398, 1327, 2654, 10547, 21094, 70331, 140662, 264073, 528146, 13995869, 27991738

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 -27991737
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 27991738 can be divided by 16 positive divisors. The sum of these divisors (counting 27991738) is 1, the average is 0.0625.

Base conversion 27991738

Base System Value
2 Binary 1101010110001111010111010
3 Ternary 1221200010110001
4 Quaternary 1222301322322
5 Quinary 24131213423
6 Senary 2435543214
8 Octal 152617272
10 Decimal 27991738
12 Duodecimal 945ab0a
16 Hexadecimal 1ab1eba
20 Vigesimal 8eij6i
36 Base36 gnyka

Cryptographic Hash Functions

md5 706c13ed790c4541f9d3b0f913668481
sha1 5a3e839b2938ab0c2c47c83fa3568cee07e02921
sha256 34e92f9693e3ffe4f9cbd5630a20e51506e6fa7c1e0e05c685c40fc75ff9732b
sha512 01fad86738aedfbc55f549fb8b85728e05f99c16896bc467a293b746f1803d08e985d557259310cc37360332600282bb65e768898783256f69bcf27044598b8e
ripemd-160 0865e97b931ef3ebe60652710f13d5f5fe7388c4

27991738 as geometric shapes

Circle

Radius = n
Diameter 55983476
Circumference 175877276.92402
Area 2.4615553279053E+15

Sphere

Radius = n
Volume 9.187094908164E+22
Surface area 9.8462213116213E+15
Circumference 175877276.92402

Square

Length = n
Perimeter 111966952
Area 783537396260644
Diagonal 39586295.513994

Cube

Length = n
Surface area 4701224377563864
Volume 2.193257350933E+22
Space diagonal 48483112.408156

Equilateral Triangle

Length = n
Perimeter 83975214
Area 3.3928164498842E+14
Altitude 24241556.204078

Triangular Pyramid

Length = n
Surface area 3.3928164498842E+14
Volume 2.58477857622E+21
Height 13195431.837998