27991663 (number)

27991663 is an odd 8-digits composite number following 27991662 and preceding 27991664. In scientific notation, it is written as 2.7991663 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 23992848 positive integers (up to 27991663) that are relatively prime to 27991663.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7991663 × 10^7
Engineering notation 2.7991663 × 10^6

Prime Factorization of 27991663

Prime Factorization 7 × 3998809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 27991663
Product of the distinct prime numbers

The prime factorization of 27991663 is 7 × 3998809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27991663)

Multiplication

n×y
n×2 55983326
n×3 83974989
n×4 111966652
n×5 139958315

Division

n÷y
n÷2 13995831.5
n÷3 9330554.3333333
n÷3 6997915.75
n÷5 5598332.6

Exponentiation

ny
n2 783533197505569
n3 2.1932397213888E+22
n4 6.139242715933E+29
n5 1.718476131796E+37

Nth Root

y√n
2√n 5290.7147910278
3√n 303.62875605031
4√n 72.737299860716
5√n 30.860697685385

Divisors of 27991663

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 -27991662
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 27991663 can be divided by 4 positive divisors. The sum of these divisors (counting 27991663) is 1, the average is 0.25.

Base conversion 27991663

Base System Value
2 Binary 1101010110001111001101111
3 Ternary 1221200010100021
4 Quaternary 1222301321233
5 Quinary 24131213123
6 Senary 2435543011
8 Octal 152617157
10 Decimal 27991663
12 Duodecimal 945aa67
16 Hexadecimal 1ab1e6f
20 Vigesimal 8eij33
36 Base36 gnyi7

Cryptographic Hash Functions

md5 425ebfd75ef99c46d528a1f8ab30da64
sha1 f6e14b32bd75a4d9ff19911e1f9822c6343c48b9
sha256 f7c7044a80bff27a23ea1b31559e1d37eeade8e9e93d00ae8bf7191d048f12b5
sha512 e8110a1b87c58c269c110738af5656aaade48b990c99d0d43c5d74c83e94faabd9f073cd7a1eac18e302f68657f12855d6ad8b3c4bcf0ec5ea4e8ea8e7621102
ripemd-160 5edeceed88a9427bdf26713dd967c74024bd8137

27991663 as geometric shapes

Circle

Radius = n
Diameter 55983326
Circumference 175876805.68512
Area 2.4615421371272E+15

Sphere

Radius = n
Volume 9.187021061702E+22
Surface area 9.8461685485089E+15
Circumference 175876805.68512

Square

Length = n
Perimeter 111966652
Area 783533197505569
Diagonal 39586189.447977

Cube

Length = n
Surface area 4701199185033414
Volume 2.1932397213888E+22
Space diagonal 48482982.504346

Equilateral Triangle

Length = n
Perimeter 83974989
Area 3.3927982687414E+14
Altitude 24241491.252173

Triangular Pyramid

Length = n
Surface area 3.3927982687414E+14
Volume 2.5847577996029E+21
Height 13195396.482659