27991908 (number)

27991908 is an even 8-digits composite number following 27991907 and preceding 27991909. In scientific notation, it is written as 2.7991908 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors. There are 7918848 positive integers (up to 27991908) that are relatively prime to 27991908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7991908 × 10^7
Engineering notation 2.7991908 × 10^6

Prime Factorization of 27991908

Prime Factorization 2 × 2 × 3 × 3 × 7 × 113 × 983

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 4665318
Product of the distinct prime numbers

The prime factorization of 27991908 is 2 × 2 × 3 × 3 × 7 × 113 × 983. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 6, 99, 91, 165, 231, 2167, 4783, 1311, 2526, 609952, 418658, 4045339, 5696442, 30222482, 16807313, 856516419, 888021568, 3409557038, 4837081500

Basic calculations (n = 27991908)

Multiplication

n×y
n×2 55983816
n×3 83975724
n×4 111967632
n×5 139959540

Division

n÷y
n÷2 13995954
n÷3 9330636
n÷3 6997977
n÷5 5598381.6

Exponentiation

ny
n2 783546913480464
n3 2.1932973115829E+22
n4 6.1394576562476E+29
n5 1.7185513388358E+37

Nth Root

y√n
2√n 5290.7379447484
3√n 303.62964189536
4√n 72.737459020427
5√n 30.860751707502

Divisors of 27991908

1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 678, 791, 983, 1017, 1356, 1582, 1966, 2034, 2373, 2949, 3164, 3932, 4068, 4746, 5898, 6881, 7119, 8847, 9492, 11796, 13762, 14238, 17694, 20643, 27524, 28476, 35388, 41286, 61929, 82572, 111079, 123858, 222158, 247716, 333237, 444316, 666474, 777553, 999711, 1332948, 1555106, 1999422, 2332659, 3110212, 3998844, 4665318, 6997977, 9330636, 13995954, 27991908

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -27991907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 27991908 can be divided by 72 positive divisors. The sum of these divisors (counting 27991908) is 1, the average is 0.013888888888889.

Base conversion 27991908

Base System Value
2 Binary 1101010110001111101100100
3 Ternary 1221200010200100
4 Quaternary 1222301331210
5 Quinary 24131220113
6 Senary 2435544100
8 Octal 152617544
10 Decimal 27991908
12 Duodecimal 945b030
16 Hexadecimal 1ab1f64
20 Vigesimal 8eijf8
36 Base36 gnyp0

Cryptographic Hash Functions

md5 50d7af78a130a8ca61806126f38e3ef5
sha1 10ae7154bc1ba4b5f07bf39e3bec0b0bd0a03178
sha256 1da1e10e5e294f9490a495ccc5dfd4713f46276c7dd624c329887f6ca100c9ce
sha512 c76de0ab7c5aa9c47f4747b91967e137de41c1545679c2931fd0ece7e4146f8dd2251c29abd98ce01ed54e8e27159f19899035bb932b9a6e73bfb5efcac12c43
ripemd-160 7f43a89d0647a692b7f7017c828d25063915f8fb

27991908 as geometric shapes

Circle

Radius = n
Diameter 55983816
Circumference 175878345.06552
Area 2.4615852271332E+15

Sphere

Radius = n
Volume 9.1872622949428E+22
Surface area 9.8463409085327E+15
Circumference 175878345.06552

Square

Length = n
Perimeter 111967632
Area 783546913480464
Diagonal 39586535.9303

Cube

Length = n
Surface area 4701281480882784
Volume 2.1932973115829E+22
Space diagonal 48483406.856794

Equilateral Triangle

Length = n
Perimeter 83975724
Area 3.3928576606548E+14
Altitude 24241703.428397

Triangular Pyramid

Length = n
Surface area 3.3928576606548E+14
Volume 2.5848256702975E+21
Height 13195511.976767