20128081 (number)

20128081 is an odd 8-digits composite number following 20128080 and preceding 20128082. In scientific notation, it is written as 2.0128081 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19768560 positive integers (up to 20128081) that are relatively prime to 20128081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128081 × 10^7
Engineering notation 2.0128081 × 10^6

Prime Factorization of 20128081

Prime Factorization 83 × 197 × 1231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20128081
Product of the distinct prime numbers

The prime factorization of 20128081 is 83 × 197 × 1231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 47, 6, 773, 760, 2297, 8438, 54481, 62452, 627164, 257341, 1450167, 9260952, 27538210, 30430125, 441200269, 621398666, 6014264532, 2101743106

Basic calculations (n = 20128081)

Multiplication

n×y
n×2 40256162
n×3 60384243
n×4 80512324
n×5 100640405

Division

n÷y
n÷2 10064040.5
n÷3 6709360.3333333
n÷3 5032020.25
n÷5 4025616.2

Exponentiation

ny
n2 405139644742561
n3 8.1546835856895E+21
n4 1.6413813174213E+29
n5 3.3037856108942E+36

Nth Root

y√n
2√n 4486.4329929243
3√n 272.0199713205
4√n 66.980840491325
5√n 28.890860301126

Divisors of 20128081

1, 83, 197, 1231, 16351, 102173, 242507, 20128081

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 -20128080
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 20128081 can be divided by 8 positive divisors. The sum of these divisors (counting 20128081) is 1, the average is 0.125.

Base conversion 20128081

Base System Value
2 Binary 1001100110010000101010001
3 Ternary 1101212121112111
4 Quaternary 1030302011101
5 Quinary 20123044311
6 Senary 1555225321
8 Octal 114620521
10 Decimal 20128081
12 Duodecimal 68a8241
16 Hexadecimal 1332151
20 Vigesimal 65g041
36 Base36 bzexd

Cryptographic Hash Functions

md5 a560c5f3c5039382fb575e8a8addadaf
sha1 6e237de02f7d861765329fcc96a8d4ffd8748006
sha256 cedcfbb07b968f5ca21dc22abceff41452db4b6fd0a890cfb4d22599c3a348a5
sha512 84a247776bcd38ab14417d5ad4492829e1bd93e5e4be12f85b2bfb085d82be36ce9f19ba9501a4bf07d2999f8495c139c2b78073365dabd8674805ef8bac9b15
ripemd-160 9e59dba7c0e999f8004411587d90cdd7762b6cb6

20128081 as geometric shapes

Circle

Radius = n
Diameter 40256162
Circumference 126468462.80092
Area 1.2727837316012E+15

Sphere

Radius = n
Volume 3.4158258726869E+22
Surface area 5.0911349264048E+15
Circumference 126468462.80092

Square

Length = n
Perimeter 80512324
Area 405139644742561
Diagonal 28465405.134744

Cube

Length = n
Surface area 2430837868455366
Volume 8.1546835856895E+21
Space diagonal 34862858.950862

Equilateral Triangle

Length = n
Perimeter 60384243
Area 1.7543061221363E+14
Altitude 17431429.475431

Triangular Pyramid

Length = n
Surface area 1.7543061221363E+14
Volume 9.6103867697861E+20
Height 9488468.3782481