20145243 (number)

20145243 is an odd 8-digits composite number following 20145242 and preceding 20145244. In scientific notation, it is written as 2.0145243 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13430160 positive integers (up to 20145243) that are relatively prime to 20145243.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand two hundred forty-three

Notation

Scientific notation 2.0145243 × 10^7
Engineering notation 2.0145243 × 10^6

Prime Factorization of 20145243

Prime Factorization 3 × 6715081

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145243
Product of the distinct prime numbers

The prime factorization of 20145243 is 3 × 6715081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145243)

Multiplication

n×y
n×2 40290486
n×3 60435729
n×4 80580972
n×5 100726215

Division

n÷y
n÷2 10072621.5
n÷3 6715081
n÷3 5036310.75
n÷5 4029048.6

Exponentiation

ny
n2 405830815529049
n3 8.1755603957209E+21
n4 1.6469865083297E+29
n5 3.3178943428024E+36

Nth Root

y√n
2√n 4488.3452407318
3√n 272.09726102922
4√n 66.995113558616
5√n 28.895785320326

Divisors of 20145243

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 -20145242
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 20145243 can be divided by 4 positive divisors. The sum of these divisors (counting 20145243) is 1, the average is 0.25.

Base conversion 20145243

Base System Value
2 Binary 1001100110110010001011011
3 Ternary 1101220111002010
4 Quaternary 1030312101123
5 Quinary 20124121433
6 Senary 1555441003
8 Octal 114662133
10 Decimal 20145243
12 Duodecimal 68b6163
16 Hexadecimal 133645b
20 Vigesimal 65i323
36 Base36 bzs63

Cryptographic Hash Functions

md5 27507c3dad10cd8947a84973d17f9d18
sha1 064dedf7ce124406df0bfd8a30fbb4ea1e4e8160
sha256 72e4b1ae20a9ad202a587d2b284228e3c1cdb64434631bd454bf0b86c9afc825
sha512 d66d62c865828958bf00a77d07d5af50a0774c27401eab29b480002e079e8f500096750d8f38cb6c1824bce35394803e4966566f10b4783c0b6e7f9d2ea96b68
ripemd-160 5e6ce8e18f216a1ceb99777747f346298b61a1cd

20145243 as geometric shapes

Circle

Radius = n
Diameter 40290486
Circumference 126576294.82716
Area 1.2749551086664E+15

Sphere

Radius = n
Volume 3.4245707304235E+22
Surface area 5.0998204346657E+15
Circumference 126576294.82716

Square

Length = n
Perimeter 80580972
Area 405830815529049
Diagonal 28489675.867902

Cube

Length = n
Surface area 2434984893174294
Volume 8.1755603957209E+21
Space diagonal 34892584.406821

Equilateral Triangle

Length = n
Perimeter 60435729
Area 1.7572989794336E+14
Altitude 17446292.203411

Triangular Pyramid

Length = n
Surface area 1.7572989794336E+14
Volume 9.6349903263573E+20
Height 9496558.6226339