20105989 (number)

20105989 is an odd 8-digits composite number following 20105988 and preceding 20105990. In scientific notation, it is written as 2.0105989 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 19678156 positive integers (up to 20105989) that are relatively prime to 20105989.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand nine hundred eighty-nine

Notation

Scientific notation 2.0105989 × 10^7
Engineering notation 2.0105989 × 10^6

Prime Factorization of 20105989

Prime Factorization 47 × 427787

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20105989
Product of the distinct prime numbers

The prime factorization of 20105989 is 47 × 427787. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105989)

Multiplication

n×y
n×2 40211978
n×3 60317967
n×4 80423956
n×5 100529945

Division

n÷y
n÷2 10052994.5
n÷3 6701996.3333333
n÷3 5026497.25
n÷5 4021197.8

Exponentiation

ny
n2 404250793668121
n3 8.1278620107325E+21
n4 1.6341870418131E+29
n5 3.2856946686636E+36

Nth Root

y√n
2√n 4483.9702273766
3√n 271.92041446834
4√n 66.962453863166
5√n 28.88451556033

Divisors of 20105989

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 -20105988
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 20105989 can be divided by 4 positive divisors. The sum of these divisors (counting 20105989) is 1, the average is 0.25.

Base conversion 20105989

Base System Value
2 Binary 1001100101100101100000101
3 Ternary 1101211111020021
4 Quaternary 1030230230011
5 Quinary 20121342424
6 Senary 1554535141
8 Octal 114545405
10 Decimal 20105989
12 Duodecimal 68974b1
16 Hexadecimal 132cb05
20 Vigesimal 65d4j9
36 Base36 byxvp

Cryptographic Hash Functions

md5 865f69b0cc4cfbfd6f9de7d3d09aba41
sha1 9331f90de164a35dc3ee4fedef09219e885e5c19
sha256 fb866feda69d7d67700e853a5b2ec05310f4f746a02eec846b24dd0129abb6a9
sha512 2df0a3a6f7df9900e1bd487c61a3e06889639bea91a3032f6c8194931c76dbb2b227ba6b56d6641b985895a4ebe121aab757635800983041ae72bf664d3cc0a9
ripemd-160 ba003623eab53a1c7d09108e616bfe402c50368d

20105989 as geometric shapes

Circle

Radius = n
Diameter 40211978
Circumference 126329654.67111
Area 1.2699913235956E+15

Sphere

Radius = n
Volume 3.4045908776412E+22
Surface area 5.0799652943824E+15
Circumference 126329654.67111

Square

Length = n
Perimeter 80423956
Area 404250793668121
Diagonal 28434162.328724

Cube

Length = n
Surface area 2425504762008726
Volume 8.1278620107325E+21
Space diagonal 34824594.484421

Equilateral Triangle

Length = n
Perimeter 60317967
Area 1.7504572840831E+14
Altitude 17412297.24221

Triangular Pyramid

Length = n
Surface area 1.7504572840831E+14
Volume 9.5787772405625E+20
Height 9478054.1095748