20145309 (number)

20145309 is an odd 8-digits composite number following 20145308 and preceding 20145310. In scientific notation, it is written as 2.0145309 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 12531200 positive integers (up to 20145309) that are relatively prime to 20145309.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145309 × 10^7
Engineering notation 2.0145309 × 10^6

Prime Factorization of 20145309

Prime Factorization 23 × 3 × 41 × 7121

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145309
Product of the distinct prime numbers

The prime factorization of 20145309 is 23 × 3 × 41 × 7121. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 61, 38, 798, 954, 5918, 531, 89466, 74445, 155687, 540536, 9367700, 6213492, 44879649, 84730301, 619573756, 476258334, 7413870615, 4118891228

Basic calculations (n = 20145309)

Multiplication

n×y
n×2 40290618
n×3 60435927
n×4 80581236
n×5 100726545

Division

n÷y
n÷2 10072654.5
n÷3 6715103
n÷3 5036327.25
n÷5 4029061.8

Exponentiation

ny
n2 405833474705481
n3 8.1756407504856E+21
n4 1.6470080919152E+29
n5 3.3179486937133E+36

Nth Root

y√n
2√n 4488.3525931014
3√n 272.09755817795
4√n 66.995168431025
5√n 28.89580425402

Divisors of 20145309

1, 3, 23, 41, 69, 123, 943, 2829, 7121, 21363, 163783, 291961, 491349, 875883, 6715103, 20145309

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145308
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145309 can be divided by 16 positive divisors. The sum of these divisors (counting 20145309) is 1, the average is 0.0625.

Base conversion 20145309

Base System Value
2 Binary 1001100110110010010011101
3 Ternary 1101220111011120
4 Quaternary 1030312102131
5 Quinary 20124122214
6 Senary 1555441153
8 Octal 114662235
10 Decimal 20145309
12 Duodecimal 68b61b9
16 Hexadecimal 133649d
20 Vigesimal 65i359
36 Base36 bzs7x

Cryptographic Hash Functions

md5 6712dcefb73334fa8bcdaeb7055be7b6
sha1 07014c7cec90412d4c2798ed84552fe6a50b6b62
sha256 78c18be6024553bbc7a6c4188a6a4b28c0a343466dbbf920a198167e3a216bf4
sha512 814dde60ab02cb257c5b8f17405fff214f208678e277883e2bacf2bc90273f5444d427a06c3c042b2286289576771a26b96bd21b664752c27375c9d955b5b417
ripemd-160 8f283cb1c8f561f4dfece17d2c9a7a83930cd0b0

20145309 as geometric shapes

Circle

Radius = n
Diameter 40290618
Circumference 126576709.51739
Area 1.2749634627156E+15

Sphere

Radius = n
Volume 3.4246043893487E+22
Surface area 5.0998538508622E+15
Circumference 126576709.51739

Square

Length = n
Perimeter 80581236
Area 405833474705481
Diagonal 28489769.205997

Cube

Length = n
Surface area 2435000848232886
Volume 8.1756407504856E+21
Space diagonal 34892698.722175

Equilateral Triangle

Length = n
Perimeter 60435927
Area 1.7573104940053E+14
Altitude 17446349.361087

Triangular Pyramid

Length = n
Surface area 1.7573104940053E+14
Volume 9.6350850253557E+20
Height 9496589.7353323