20145249 (number)

20145249 is an odd 8-digits composite number following 20145248 and preceding 20145250. In scientific notation, it is written as 2.0145249 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 13430160 positive integers (up to 20145249) that are relatively prime to 20145249.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145249 × 10^7
Engineering notation 2.0145249 × 10^6

Prime Factorization of 20145249

Prime Factorization 9 × 2238361

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145249
Product of the distinct prime numbers

The prime factorization of 20145249 is 9 × 2238361. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145249)

Multiplication

n×y
n×2 40290498
n×3 60435747
n×4 80580996
n×5 100726245

Division

n÷y
n÷2 10072624.5
n÷3 6715083
n÷3 5036312.25
n÷5 4029049.8

Exponentiation

ny
n2 405831057272001
n3 8.1755677006777E+21
n4 1.6469884704651E+29
n5 3.3178992837649E+36

Nth Root

y√n
2√n 4488.3459091296
3√n 272.09728804277
4√n 66.995118547022
5√n 28.895787041573

Divisors of 20145249

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 -20145248
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 20145249 can be divided by 4 positive divisors. The sum of these divisors (counting 20145249) is 1, the average is 0.25.

Base conversion 20145249

Base System Value
2 Binary 1001100110110010001100001
3 Ternary 1101220111002100
4 Quaternary 1030312101201
5 Quinary 20124121444
6 Senary 1555441013
8 Octal 114662141
10 Decimal 20145249
12 Duodecimal 68b6169
16 Hexadecimal 1336461
20 Vigesimal 65i329
36 Base36 bzs69

Cryptographic Hash Functions

md5 f7a6031daffd03bf51a8df9347e82d96
sha1 807e1964a71609a7562e0d6afcbd98e846db9aa2
sha256 9758ced0eb5e84c48d23e3c032f296a2392d3265970e94693bbbd51aa5cd8611
sha512 608c813913d6fa574e627a2d78974bf1f83b7e4912eaae46aefcdf2bdf5b8f7688db9d6270117f1c16155335afb3e18b09142840dc70e9442ca1e5f3ce34705e
ripemd-160 3ea1cf8353214409807fece060172ba1c3c9a199

20145249 as geometric shapes

Circle

Radius = n
Diameter 40290498
Circumference 126576332.52627
Area 1.2749558681243E+15

Sphere

Radius = n
Volume 3.4245737903167E+22
Surface area 5.0998234724972E+15
Circumference 126576332.52627

Square

Length = n
Perimeter 80580996
Area 405831057272001
Diagonal 28489684.353183

Cube

Length = n
Surface area 2434986343632006
Volume 8.1755677006777E+21
Space diagonal 34892594.799126

Equilateral Triangle

Length = n
Perimeter 60435747
Area 1.7573000262113E+14
Altitude 17446297.399563

Triangular Pyramid

Length = n
Surface area 1.7573000262113E+14
Volume 9.6349989353315E+20
Height 9496561.451061