27988081 (number)

27988081 is an odd 8-digits composite number following 27988080 and preceding 27988082. In scientific notation, it is written as 2.7988081 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 24523200 positive integers (up to 27988081) that are relatively prime to 27988081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.7988081 × 10^7
Engineering notation 2.7988081 × 10^6

Prime Factorization of 27988081

Prime Factorization 11 × 61 × 53 × 787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27988081
Product of the distinct prime numbers

The prime factorization of 27988081 is 11 × 61 × 53 × 787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 27988081)

Multiplication

n×y
n×2 55976162
n×3 83964243
n×4 111952324
n×5 139940405

Division

n÷y
n÷2 13994040.5
n÷3 9329360.3333333
n÷3 6997020.25
n÷5 5597616.2

Exponentiation

ny
n2 783332678062561
n3 2.1923978443562E+22
n4 6.1361008452066E+29
n5 1.7173768747981E+37

Nth Root

y√n
2√n 5290.3762626112
3√n 303.61580404386
4√n 72.734972761466
5√n 30.859907816788

Divisors of 27988081

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -27988080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 27988081 can be divided by 16 positive divisors. The sum of these divisors (counting 27988081) is 1, the average is 0.0625.

Base conversion 27988081

Base System Value
2 Binary 1101010110001000001110001
3 Ternary 1221122221102121
4 Quaternary 1222301001301
5 Quinary 24131104311
6 Senary 2435514241
8 Octal 152610161
10 Decimal 27988081
12 Duodecimal 9458981
16 Hexadecimal 1ab1071
20 Vigesimal 8eia41
36 Base36 gnvqp

Cryptographic Hash Functions

md5 2f55fced9e689ddeb87f16b1b840c813
sha1 6ef78b0c8cd54b5b9bc6a53502cd24d217f72fed
sha256 c9bb64d8ff959aff34e18cdc7a6e34a294479db3539f5e82db61dc14a48050b5
sha512 e132cfc20d9372a161235f32f1f401a8d5a38d5527e13a82dfa864da228b5c1ecb6bb5f1006171d8dcb731709612db873f85a42f0f4c243135e0028dea2cd1b3
ripemd-160 5563567513cbf29717ab1ca851ceddd2d02fbdfc

27988081 as geometric shapes

Circle

Radius = n
Diameter 55976162
Circumference 175854299.31535
Area 2.4609121867182E+15

Sphere

Radius = n
Volume 9.183494615434E+22
Surface area 9.8436487468726E+15
Circumference 175854299.31535

Square

Length = n
Perimeter 111952324
Area 783332678062561
Diagonal 39581123.734997

Cube

Length = n
Surface area 4699996068375366
Volume 2.1923978443562E+22
Space diagonal 48476778.298353

Equilateral Triangle

Length = n
Perimeter 83964243
Area 3.3919299940834E+14
Altitude 24238389.149177

Triangular Pyramid

Length = n
Surface area 3.3919299940834E+14
Volume 2.583765638005E+21
Height 13193707.911666