20145047 (number)

20145047 is an odd 8-digits composite number following 20145046 and preceding 20145048. In scientific notation, it is written as 2.0145047 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 18595416 positive integers (up to 20145047) that are relatively prime to 20145047.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145047 × 10^7
Engineering notation 2.0145047 × 10^6

Prime Factorization of 20145047

Prime Factorization 13 × 1549619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20145047
Product of the distinct prime numbers

The prime factorization of 20145047 is 13 × 1549619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145047)

Multiplication

n×y
n×2 40290094
n×3 60435141
n×4 80580188
n×5 100725235

Division

n÷y
n÷2 10072523.5
n÷3 6715015.6666667
n÷3 5036261.75
n÷5 4029009.4

Exponentiation

ny
n2 405822918632209
n3 8.175321769523E+21
n4 1.6469224128716E+29
n5 3.3177329412653E+36

Nth Root

y√n
2√n 4488.3234063512
3√n 272.09637858374
4√n 66.994950603394
5√n 28.8957290927

Divisors of 20145047

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 -20145046
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 20145047 can be divided by 4 positive divisors. The sum of these divisors (counting 20145047) is 1, the average is 0.25.

Base conversion 20145047

Base System Value
2 Binary 1001100110110001110010111
3 Ternary 1101220110210212
4 Quaternary 1030312032113
5 Quinary 20124120142
6 Senary 1555440035
8 Octal 114661627
10 Decimal 20145047
12 Duodecimal 68b601b
16 Hexadecimal 1336397
20 Vigesimal 65i2c7
36 Base36 bzs0n

Cryptographic Hash Functions

md5 87d82b21a79b53cc538b582fcf4d3520
sha1 62aa57ba5bde2f61b5b188192b931f93805a2ec1
sha256 06952bca094f219b3b3052e0095e386197ad04349b677d80f5a5dbaf6947c228
sha512 69f011b0c329ee867e1922f7d0a03aa2c9985e51f7b11cc8241f2dcc0a3fd9f458bf294f2637df945d670353b6f574a443f48cdd0a6cdf984815b8f50a1b4c2d
ripemd-160 722b0fede766babf82536d49152dc3432ae12c33

20145047 as geometric shapes

Circle

Radius = n
Diameter 40290094
Circumference 126575063.32284
Area 1.2749302998333E+15

Sphere

Radius = n
Volume 3.4244707749155E+22
Surface area 5.0997211993333E+15
Circumference 126575063.32284

Square

Length = n
Perimeter 80580188
Area 405822918632209
Diagonal 28489398.682043

Cube

Length = n
Surface area 2434937511793254
Volume 8.175321769523E+21
Space diagonal 34892244.924863

Equilateral Triangle

Length = n
Perimeter 60435141
Area 1.7572647848672E+14
Altitude 17446122.462431

Triangular Pyramid

Length = n
Surface area 1.7572647848672E+14
Volume 9.6347091026862E+20
Height 9496466.2273478