20168081 (number)

20168081 is an odd 8-digits composite number following 20168080 and preceding 20168082. In scientific notation, it is written as 2.0168081 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20158464 positive integers (up to 20168081) that are relatively prime to 20168081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0168081 × 10^7
Engineering notation 2.0168081 × 10^6

Prime Factorization of 20168081

Prime Factorization 6529 × 3089

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20168081
Product of the distinct prime numbers

The prime factorization of 20168081 is 6529 × 3089. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20168081)

Multiplication

n×y
n×2 40336162
n×3 60504243
n×4 80672324
n×5 100840405

Division

n÷y
n÷2 10084040.5
n÷3 6722693.6666667
n÷3 5042020.25
n÷5 4033616.2

Exponentiation

ny
n2 406751491222561
n3 8.2033970218474E+21
n4 1.6544677561178E+29
n5 3.3367439717271E+36

Nth Root

y√n
2√n 4490.8886648413
3√n 272.20004477265
4√n 67.01409303155
5√n 28.902333991849

Divisors of 20168081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20168080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20168081 can be divided by 4 positive divisors. The sum of these divisors (counting 20168081) is 1, the average is 0.25.

Base conversion 20168081

Base System Value
2 Binary 1001100111011110110010001
3 Ternary 1101221122101222
4 Quaternary 1030323312101
5 Quinary 20130334311
6 Senary 2000134425
8 Octal 114736621
10 Decimal 20168081
12 Duodecimal 6907415
16 Hexadecimal 133bd91
20 Vigesimal 661041
36 Base36 c09sh

Cryptographic Hash Functions

md5 25d979d7d7ac7b2bdb91cc9485086787
sha1 d85c234112ed4f973a8519d75b9f05da1b839a12
sha256 e4244a6f7e1a0c149bc159f09475a53d979bd0a69f64348911c017062474a650
sha512 8e8bed1567fa480ba3257e311a171e2d8cd72483c4d61b99730251971fe794379af65c8dbbfcfbb21c394e6f5cc29a4d7f96039cbf102807f0b43ab165d05943
ripemd-160 fb20299f1d7866aa7aae1cbb3c8ee13667745fde

20168081 as geometric shapes

Circle

Radius = n
Diameter 40336162
Circumference 126719790.21321
Area 1.2778474966615E+15

Sphere

Radius = n
Volume 3.4362309091088E+22
Surface area 5.111389986646E+15
Circumference 126719790.21321

Square

Length = n
Perimeter 80672324
Area 406751491222561
Diagonal 28521973.677239

Cube

Length = n
Surface area 2440508947335366
Volume 8.2033970218474E+21
Space diagonal 34932140.983165

Equilateral Triangle

Length = n
Perimeter 60504243
Area 1.7612856221297E+14
Altitude 17466070.491582

Triangular Pyramid

Length = n
Surface area 1.7612856221297E+14
Volume 9.6677961048564E+20
Height 9507324.5590797