20145289 (number)

20145289 is an odd 8-digits composite number following 20145288 and preceding 20145290. In scientific notation, it is written as 2.0145289 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 18960256 positive integers (up to 20145289) that are relatively prime to 20145289.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145289 × 10^7
Engineering notation 2.0145289 × 10^6

Prime Factorization of 20145289

Prime Factorization 17 × 1185017

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145289
Product of the distinct prime numbers

The prime factorization of 20145289 is 17 × 1185017. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145289)

Multiplication

n×y
n×2 40290578
n×3 60435867
n×4 80581156
n×5 100726445

Division

n÷y
n÷2 10072644.5
n÷3 6715096.3333333
n÷3 5036322.25
n÷5 4029057.8

Exponentiation

ny
n2 405832668893521
n3 8.1756164005013E+21
n4 1.6470015514124E+29
n5 3.3179322236651E+36

Nth Root

y√n
2√n 4488.3503651119
3√n 272.09746813295
4√n 66.995151803036
5√n 28.895798516542

Divisors of 20145289

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 -20145288
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 20145289 can be divided by 4 positive divisors. The sum of these divisors (counting 20145289) is 1, the average is 0.25.

Base conversion 20145289

Base System Value
2 Binary 1001100110110010010001001
3 Ternary 1101220111010211
4 Quaternary 1030312102021
5 Quinary 20124122124
6 Senary 1555441121
8 Octal 114662211
10 Decimal 20145289
12 Duodecimal 68b61a1
16 Hexadecimal 1336489
20 Vigesimal 65i349
36 Base36 bzs7d

Cryptographic Hash Functions

md5 b58e2f38e9ddb7fc3238cb5e816550c8
sha1 5d7bc21c2174e271b7dfc00feb2e96f10b31a602
sha256 e42073de73120902fa8ff415549f097d8e161e237076dcae4e3cba0e4a0112a5
sha512 06b768aa48640432b3e239d4264a7ce94e558202ff7cc46145bd0962fa10abbe9b4b361e63f5559c882874ec05192f5702c8ffd136ea82c7622783cf266ca54b
ripemd-160 84617806368d63d00db58b57b32cb9e1b9faa70f

20145289 as geometric shapes

Circle

Radius = n
Diameter 40290578
Circumference 126576583.85369
Area 1.2749609311826E+15

Sphere

Radius = n
Volume 3.4245941896511E+22
Surface area 5.0998437247305E+15
Circumference 126576583.85369

Square

Length = n
Perimeter 80581156
Area 405832668893521
Diagonal 28489740.921726

Cube

Length = n
Surface area 2434996013361126
Volume 8.1756164005013E+21
Space diagonal 34892664.081158

Equilateral Triangle

Length = n
Perimeter 60435867
Area 1.7573070047371E+14
Altitude 17446332.040579

Triangular Pyramid

Length = n
Surface area 1.7573070047371E+14
Volume 9.635056328624E+20
Height 9496580.3072418