20161389 (number)

20161389 is an odd 8-digits composite number following 20161388 and preceding 20161390. In scientific notation, it is written as 2.0161389 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13381776 positive integers (up to 20161389) that are relatively prime to 20161389.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-one thousand three hundred eighty-nine

Notation

Scientific notation 2.0161389 × 10^7
Engineering notation 2.0161389 × 10^6

Prime Factorization of 20161389

Prime Factorization 3 × 229 × 29347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20161389
Product of the distinct prime numbers

The prime factorization of 20161389 is 3 × 229 × 29347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20161389)

Multiplication

n×y
n×2 40322778
n×3 60484167
n×4 80645556
n×5 100806945

Division

n÷y
n÷2 10080694.5
n÷3 6720463
n÷3 5040347.25
n÷5 4032277.8

Exponentiation

ny
n2 406481606409321
n3 8.1952337881632E+21
n4 1.652272963491E+29
n5 3.3312117951125E+36

Nth Root

y√n
2√n 4490.1435389083
3√n 272.16993507921
4√n 67.008533329034
5√n 28.900415712217

Divisors of 20161389

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 -20161388
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 20161389 can be divided by 8 positive divisors. The sum of these divisors (counting 20161389) is 1, the average is 0.125.

Base conversion 20161389

Base System Value
2 Binary 1001100111010001101101101
3 Ternary 1101221022020010
4 Quaternary 1030322031231
5 Quinary 20130131024
6 Senary 2000043433
8 Octal 114721555
10 Decimal 20161389
12 Duodecimal 6903579
16 Hexadecimal 133a36d
20 Vigesimal 660399
36 Base36 c04ml

Cryptographic Hash Functions

md5 fdbeacfa4eb09d449c7f3f6ad39255de
sha1 235f86fe0dc1dde58ffb98313f3bd2bfdfdaa18c
sha256 e984ac67375331687340544c55cbf702f65a24a1f08ea0d4c61863d0eb40ee89
sha512 802f885815b2be24d226a14e186580aef835d322f2468c0157c0579ca4f2e2cca5c3baeb0264385851ecf73961742bb6ade798df854baa23df607aee64b347c4
ripemd-160 fb214643c1b9102941f6aae4956aec7b08eec0b2

20161389 as geometric shapes

Circle

Radius = n
Diameter 40322778
Circumference 126677743.13713
Area 1.2769996285149E+15

Sphere

Radius = n
Volume 3.4328115017793E+22
Surface area 5.1079985140596E+15
Circumference 126677743.13713

Square

Length = n
Perimeter 80645556
Area 406481606409321
Diagonal 28512509.76008

Cube

Length = n
Surface area 2438889638455926
Volume 8.1952337881632E+21
Space diagonal 34920550.09916

Equilateral Triangle

Length = n
Perimeter 60484167
Area 1.7601169866079E+14
Altitude 17460275.04958

Triangular Pyramid

Length = n
Surface area 1.7601169866079E+14
Volume 9.6581756416989E+20
Height 9504169.9200266