27991005 (number)

27991005 is an odd 8-digits composite number following 27991004 and preceding 27991006. In scientific notation, it is written as 2.7991005 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12795552 positive integers (up to 27991005) that are relatively prime to 27991005.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7991005 × 10^7
Engineering notation 2.7991005 × 10^6

Prime Factorization of 27991005

Prime Factorization 105 × 7 × 38083

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 27991005
Product of the distinct prime numbers

The prime factorization of 27991005 is 105 × 7 × 38083. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27991005)

Multiplication

n×y
n×2 55982010
n×3 83973015
n×4 111964020
n×5 139955025

Division

n÷y
n÷2 13995502.5
n÷3 9330335
n÷3 6997751.25
n÷5 5598201

Exponentiation

ny
n2 783496360910025
n3 2.1930850555714E+22
n4 6.1386654755925E+29
n5 1.7182741602064E+37

Nth Root

y√n
2√n 5290.6526062481
3√n 303.62637689803
4√n 72.736872398036
5√n 30.860552595542

Divisors of 27991005

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 -27991004
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 27991005 can be divided by 8 positive divisors. The sum of these divisors (counting 27991005) is 1, the average is 0.125.

Base conversion 27991005

Base System Value
2 Binary 1101010110001101111011101
3 Ternary 1221200002102220
4 Quaternary 1222301233131
5 Quinary 24131203010
6 Senary 2435535553
8 Octal 152615735
10 Decimal 27991005
12 Duodecimal 945a5b9
16 Hexadecimal 1ab1bdd
20 Vigesimal 8eiha5
36 Base36 gnxzx

Cryptographic Hash Functions

md5 1d009c897a09920c15ae749d62ccbb07
sha1 6d3001e1c8caa6f887885f1d253f0d5ec1dc6b19
sha256 f2d12ea7014189c6180389cf43d1d659d98d8264ad32d1e409d4a671a386e863
sha512 345d9a0405a904092a44e7ad8d570f6b7d4735e152ed5b4188a2be8a44d85d74501cdae587260799828d887ce00a198f04312d456bd1206cd72969841fd0f05c
ripemd-160 e7471bcb3be82ef0b419ef8713471256b590e6cf

27991005 as geometric shapes

Circle

Radius = n
Diameter 55982010
Circumference 175872671.34919
Area 2.4614264115493E+15

Sphere

Radius = n
Volume 9.186373199041E+22
Surface area 9.8457056461971E+15
Circumference 175872671.34919

Square

Length = n
Perimeter 111964020
Area 783496360910025
Diagonal 39585258.895453

Cube

Length = n
Surface area 4700978165460150
Volume 2.1930850555714E+22
Space diagonal 48481842.814914

Equilateral Triangle

Length = n
Perimeter 83973015
Area 3.3926387616037E+14
Altitude 24240921.407457

Triangular Pyramid

Length = n
Surface area 3.3926387616037E+14
Volume 2.5845755241891E+21
Height 13195086.298484