27989905 (number)

27989905 is an odd 8-digits composite number following 27989904 and preceding 27989906. In scientific notation, it is written as 2.7989905 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 21074688 positive integers (up to 27989905) that are relatively prime to 27989905.

Interesting facts

Basic properties

Name

Name twenty-seven million nine hundred eighty-nine thousand nine hundred five

Notation

Scientific notation 2.7989905 × 10^7
Engineering notation 2.7989905 × 10^6

Prime Factorization of 27989905

Prime Factorization 5 × 17 × 329293

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 27989905
Product of the distinct prime numbers

The prime factorization of 27989905 is 5 × 17 × 329293. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 39, 38, 972, 661, 8248, 3261, 81476, 52514, 920653, 78532, 6523647, 6569409, 83691886, 17946205, 619910886, 302657983, 7184610446, 7823088623

Basic calculations (n = 27989905)

Multiplication

n×y
n×2 55979810
n×3 83969715
n×4 111959620
n×5 139949525

Division

n÷y
n÷2 13994952.5
n÷3 9329968.3333333
n÷3 6997476.25
n÷5 5597981

Exponentiation

ny
n2 783434781909025
n3 2.1928265119329E+22
n4 6.1377005750484E+29
n5 1.7179365601405E+37

Nth Root

y√n
2√n 5290.5486482973
3√n 303.62239950851
4√n 72.736157777939
5√n 30.860310038038

Divisors of 27989905

1, 5, 17, 85, 329293, 1646465, 5597981, 27989905

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 -27989904
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 27989905 can be divided by 8 positive divisors. The sum of these divisors (counting 27989905) is 1, the average is 0.125.

Base conversion 27989905

Base System Value
2 Binary 1101010110001011110010001
3 Ternary 1221200000221011
4 Quaternary 1222301132101
5 Quinary 24131134110
6 Senary 2435530521
8 Octal 152613621
10 Decimal 27989905
12 Duodecimal 9459a41
16 Hexadecimal 1ab1791
20 Vigesimal 8eief5
36 Base36 gnx5d

Cryptographic Hash Functions

md5 4697cd6f7737d83a737c1dc18569f493
sha1 22dcfabec07f633c6336b5f4a395f7c48176c62f
sha256 1bcd2e4fc9328ab496243bc2f390d309e86c8edfd3eab631763bbb71c7666003
sha512 dccd2c368d77c00b6dfb2edc138681ebf20be8396ed648713fda2dc9a65d12c83c7009b6b421328f12923942f5e874ccae29335c6f02be087b56c83d4946f6f5
ripemd-160 4e8847292a3d4ba9c4b536742faa776c0b72280b

27989905 as geometric shapes

Circle

Radius = n
Diameter 55979810
Circumference 175865759.84535
Area 2.4612329554121E+15

Sphere

Radius = n
Volume 9.1852902139806E+22
Surface area 9.8449318216485E+15
Circumference 175865759.84535

Square

Length = n
Perimeter 111959620
Area 783434781909025
Diagonal 39583703.260535

Cube

Length = n
Surface area 4700608691454150
Volume 2.1928265119329E+22
Space diagonal 48479937.559026

Equilateral Triangle

Length = n
Perimeter 83969715
Area 3.3923721167077E+14
Altitude 24239968.779513

Triangular Pyramid

Length = n
Surface area 3.3923721167077E+14
Volume 2.584270827589E+21
Height 13194567.753512