27949905 (number)

27949905 is an odd 8-digits composite number following 27949904 and preceding 27949906. In scientific notation, it is written as 2.7949905 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 14542080 positive integers (up to 27949905) that are relatively prime to 27949905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7949905 × 10^7
Engineering notation 2.7949905 × 10^6

Prime Factorization of 27949905

Prime Factorization 45 × 41 × 15149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 27949905
Product of the distinct prime numbers

The prime factorization of 27949905 is 45 × 41 × 15149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 48, 19, 936, 568, 9425, 3064, 33002, 23816, 383632, 978024, 5290337, 8524611, 69496940, 87721695, 655800011, 67646018, 8462699035, 9497087426

Basic calculations (n = 27949905)

Multiplication

n×y
n×2 55899810
n×3 83849715
n×4 111799620
n×5 139749525

Division

n÷y
n÷2 13974952.5
n÷3 9316635
n÷3 6987476.25
n÷5 5589981

Exponentiation

ny
n2 781197189509025
n3 2.1834387233044E+22
n4 6.102690488968E+29
n5 1.7056961941106E+37

Nth Root

y√n
2√n 5286.766970465
3√n 303.47769631466
4√n 72.710157271629
5√n 30.851484580144

Divisors of 27949905

1, 41, 45, 1845, 15149, 621109, 681705, 27949905

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 -27949904
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 27949905 can be divided by 8 positive divisors. The sum of these divisors (counting 27949905) is 1, the average is 0.125.

Base conversion 27949905

Base System Value
2 Binary 1101010100111101101010001
3 Ternary 1221121000001200
4 Quaternary 1222213231101
5 Quinary 24123344110
6 Senary 2435021413
8 Octal 152475521
10 Decimal 27949905
12 Duodecimal 943a869
16 Hexadecimal 1aa7b51
20 Vigesimal 8edef5
36 Base36 gn2a9

Cryptographic Hash Functions

md5 9fa04722f4d52f89d6429a7b2e6a2be3
sha1 8b6a4ffe49b0bc024bb4cf2c559e1ca9992d21ba
sha256 9425122cf697e081fe285f8c116f7be683588d3727e129f6ca6ee3243adbd3ea
sha512 a383e2a964e4c09c0697d2a2be7e8a7d0fa8daca7cbab21492c9a6da00c0f53708734c5b57776de0bd8172febde1c428b5d5d1e532a7a9da675b658c667789da
ripemd-160 a9bd9719bf3ed29942790f32f624f5e49620d84d

27949905 as geometric shapes

Circle

Radius = n
Diameter 55899810
Circumference 175614432.43307
Area 2.4542033515665E+15

Sphere

Radius = n
Volume 9.1459667369289E+22
Surface area 9.8168134062662E+15
Circumference 175614432.43307

Square

Length = n
Perimeter 111799620
Area 781197189509025
Diagonal 39527134.71804

Cube

Length = n
Surface area 4687183137054150
Volume 2.1834387233044E+22
Space diagonal 48410655.526723

Equilateral Triangle

Length = n
Perimeter 83849715
Area 3.3826830573991E+14
Altitude 24205327.763362

Triangular Pyramid

Length = n
Surface area 3.3826830573991E+14
Volume 2.5732072125898E+21
Height 13175711.57268