27993945 (number)

27993945 is an odd 8-digits composite number following 27993944 and preceding 27993946. In scientific notation, it is written as 2.7993945 × 10^7. The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors. There are 12794880 positive integers (up to 27993945) that are relatively prime to 27993945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7993945 × 10^7
Engineering notation 2.7993945 × 10^6

Prime Factorization of 27993945

Prime Factorization 3 × 5 × 7 × 7 × 7 × 5441

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 571305
Product of the distinct prime numbers

The prime factorization of 27993945 is 3 × 5 × 7 × 7 × 7 × 5441. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27993945)

Multiplication

n×y
n×2 55987890
n×3 83981835
n×4 111975780
n×5 139969725

Division

n÷y
n÷2 13996972.5
n÷3 9331315
n÷3 6998486.25
n÷5 5598789

Exponentiation

ny
n2 783660956663025
n3 2.1937761719472E+22
n4 6.1412449499801E+29
n5 1.7191767336127E+37

Nth Root

y√n
2√n 5290.9304474733
3√n 303.63700686406
4√n 72.738782279286
5√n 30.861200848171

Divisors of 27993945

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -27993944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 27993945 can be divided by 32 positive divisors. The sum of these divisors (counting 27993945) is 1, the average is 0.03125.

Base conversion 27993945

Base System Value
2 Binary 1101010110010011101011001
3 Ternary 1221200020110210
4 Quaternary 1222302131121
5 Quinary 24131301240
6 Senary 2440001333
8 Octal 152623531
10 Decimal 27993945
12 Duodecimal 9460249
16 Hexadecimal 1ab2759
20 Vigesimal 8ej4h5
36 Base36 go09l

Cryptographic Hash Functions

md5 0fd8d076161fad78d004633e58167b24
sha1 1b3ead71e4ab44bade69d9d36919c4db71f17eb7
sha256 4eb677a4f0f6a64d1497144a4a958e6b657d4eaa6757be42cb58c7769d4b4ec9
sha512 0fffcbf5d0be103653598ac2e7c7765663b09db1dbdaf6965efa9fab59d505795f0162c426ba0d071d3d2e1b8103169cc8ad407d2bfad5bf5a91fcc7f9141bd6
ripemd-160 e09fc445746a212fad2d4d08e9f09abb5306f2ab

27993945 as geometric shapes

Circle

Radius = n
Diameter 55987890
Circumference 175891143.91399
Area 2.4619435043577E+15

Sphere

Radius = n
Volume 9.1892681405463E+22
Surface area 9.8477740174308E+15
Circumference 175891143.91399

Square

Length = n
Perimeter 111975780
Area 783660956663025
Diagonal 39589416.683326

Cube

Length = n
Surface area 4701965739978150
Volume 2.1937761719472E+22
Space diagonal 48486935.044289

Equilateral Triangle

Length = n
Perimeter 83981835
Area 3.393351482121E+14
Altitude 24243467.522144

Triangular Pyramid

Length = n
Surface area 3.393351482121E+14
Volume 2.5853900126489E+21
Height 13196472.227775