27991946 (number)

27991946 is an even 8-digits composite number following 27991945 and preceding 27991947. In scientific notation, it is written as 2.7991946 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 13502640 positive integers (up to 27991946) that are relatively prime to 27991946.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7991946 × 10^7
Engineering notation 2.7991946 × 10^6

Prime Factorization of 27991946

Prime Factorization 2 × 31 × 509 × 887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27991946
Product of the distinct prime numbers

The prime factorization of 27991946 is 2 × 31 × 509 × 887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 10, 79, 445, 100, 4011, 6584, 35598, 32904, 945230, 552445, 37181, 2901328, 40713855, 44550695, 178762165, 102136853, 4726078674, 1292030601

Basic calculations (n = 27991946)

Multiplication

n×y
n×2 55983892
n×3 83975838
n×4 111967784
n×5 139959730

Division

n÷y
n÷2 13995973
n÷3 9330648.6666667
n÷3 6997986.5
n÷5 5598389.2

Exponentiation

ny
n2 783549040866916
n3 2.1933062440299E+22
n4 6.1394909944346E+29
n5 1.718563003837E+37

Nth Root

y√n
2√n 5290.7415359286
3√n 303.62977929127
4√n 72.73748370633
5√n 30.860760086409

Divisors of 27991946

1, 2, 31, 62, 509, 887, 1018, 1774, 15779, 27497, 31558, 54994, 451483, 902966, 13995973, 27991946

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 -27991945
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 27991946 can be divided by 16 positive divisors. The sum of these divisors (counting 27991946) is 1, the average is 0.0625.

Base conversion 27991946

Base System Value
2 Binary 1101010110001111110001010
3 Ternary 1221200010201202
4 Quaternary 1222301332022
5 Quinary 24131220241
6 Senary 2435544202
8 Octal 152617612
10 Decimal 27991946
12 Duodecimal 945b062
16 Hexadecimal 1ab1f8a
20 Vigesimal 8eijh6
36 Base36 gnyq2

Cryptographic Hash Functions

md5 251402dac4bbb93674c228a8454fd25b
sha1 188b5070614774eddcb45821e469bc521a048dc8
sha256 ce9cc1750f209e8939f5931a0be26bd492736f3fa7afd25e9c5cfd51477b7fab
sha512 c2c07bb93479df395891e7207ad0def2b6d3b851e1a09acff156268457b02e3a84a0729d796e29c285ebaae62522432bfb163be9d12b924d15880ff72d463a4e
ripemd-160 6971a12bebce0d2bc5470b9db895badfbf3a8b4b

27991946 as geometric shapes

Circle

Radius = n
Diameter 55983892
Circumference 175878583.82656
Area 2.4615919105148E+15

Sphere

Radius = n
Volume 9.1872997110891E+22
Surface area 9.8463676420593E+15
Circumference 175878583.82656

Square

Length = n
Perimeter 111967784
Area 783549040866916
Diagonal 39586589.670415

Cube

Length = n
Surface area 4701294245201496
Volume 2.1933062440299E+22
Space diagonal 48483472.674724

Equilateral Triangle

Length = n
Perimeter 83975838
Area 3.3928668725084E+14
Altitude 24241736.337362

Triangular Pyramid

Length = n
Surface area 3.3928668725084E+14
Volume 2.5848361972872E+21
Height 13195529.890138