20145240 (number)

20145240 is an even 8-digits composite number following 20145239 and preceding 20145241. In scientific notation, it is written as 2.0145240 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors. There are 5132160 positive integers (up to 20145240) that are relatively prime to 20145240.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145240 × 10^7
Engineering notation 2.0145240 × 10^6

Prime Factorization of 20145240

Prime Factorization 2 × 2 × 2 × 135 × 23 × 811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5036310
Product of the distinct prime numbers

The prime factorization of 20145240 is 2 × 2 × 2 × 135 × 23 × 811. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145240)

Multiplication

n×y
n×2 40290480
n×3 60435720
n×4 80580960
n×5 100726200

Division

n÷y
n÷2 10072620
n÷3 6715080
n÷3 5036310
n÷5 4029048

Exponentiation

ny
n2 405830694657600
n3 8.1755567432441E+21
n4 1.6469855272627E+29
n5 3.3178918723234E+36

Nth Root

y√n
2√n 4488.3449065329
3√n 272.09724752245
4√n 66.995111064412
5√n 28.895784459703

Divisors of 20145240

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145239
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145240 can be divided by 32 positive divisors. The sum of these divisors (counting 20145240) is 1, the average is 0.03125.

Base conversion 20145240

Base System Value
2 Binary 1001100110110010001011000
3 Ternary 1101220111002000
4 Quaternary 1030312101120
5 Quinary 20124121430
6 Senary 1555441000
8 Octal 114662130
10 Decimal 20145240
12 Duodecimal 68b6160
16 Hexadecimal 1336458
20 Vigesimal 65i320
36 Base36 bzs60

Cryptographic Hash Functions

md5 2b1988432ae57c9069b4256e3b0a8f7f
sha1 49e1c044eb47516dfca80d45265ba2274466c3da
sha256 8df1c7f90265c0817a4fbeb42f9c32a2301732fa39b2ae7510ea73580eebb6d6
sha512 c921c4bc789e19ebd1530dd7a753301f33a81658bff65e7bfef66d5a6fb17000294d9cbac8efe2cbb865f3db83a36f14b834ce0e238e051313165c82fd015c99
ripemd-160 25dfcfc0595836776fe52f19679a23e06325a29a

20145240 as geometric shapes

Circle

Radius = n
Diameter 40290480
Circumference 126576275.97761
Area 1.2749547289376E+15

Sphere

Radius = n
Volume 3.4245692004776E+22
Surface area 5.0998189157502E+15
Circumference 126576275.97761

Square

Length = n
Perimeter 80580960
Area 405830694657600
Diagonal 28489671.625261

Cube

Length = n
Surface area 2434984167945600
Volume 8.1755567432441E+21
Space diagonal 34892579.210669

Equilateral Triangle

Length = n
Perimeter 60435720
Area 1.7572984560448E+14
Altitude 17446289.605334

Triangular Pyramid

Length = n
Surface area 1.7572984560448E+14
Volume 9.6349860218721E+20
Height 9496557.2084203