20538045 (number)

20538045 is an odd 8-digits composite number following 20538044 and preceding 20538046. In scientific notation, it is written as 2.0538045 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 9957600 positive integers (up to 20538045) that are relatively prime to 20538045.

Interesting facts

Basic properties

Name

Name twenty million five hundred thirty-eight thousand forty-five

Notation

Scientific notation 2.0538045 × 10^7
Engineering notation 2.0538045 × 10^6

Prime Factorization of 20538045

Prime Factorization 55 × 9 × 41491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20538045
Product of the distinct prime numbers

The prime factorization of 20538045 is 55 × 9 × 41491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20538045)

Multiplication

n×y
n×2 41076090
n×3 61614135
n×4 82152180
n×5 102690225

Division

n÷y
n÷2 10269022.5
n÷3 6846015
n÷3 5134511.25
n÷5 4107609

Exponentiation

ny
n2 421811292422025
n3 8.6631793052717E+21
n4 1.7792476641474E+29
n5 3.6542268592404E+36

Nth Root

y√n
2√n 4531.8919890042
3√n 273.85438566156
4√n 67.319328494899
5√n 29.007601477699

Divisors of 20538045

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20538044
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20538045 can be divided by 8 positive divisors. The sum of these divisors (counting 20538045) is 1, the average is 0.125.

Base conversion 20538045

Base System Value
2 Binary 1001110010110001010111101
3 Ternary 1102122102220100
4 Quaternary 1032112022331
5 Quinary 20224204140
6 Senary 2012111313
8 Octal 116261275
10 Decimal 20538045
12 Duodecimal 6a65539
16 Hexadecimal 13962bd
20 Vigesimal 687525
36 Base36 c8799

Cryptographic Hash Functions

md5 9f62c8b762f6e85d6ee196d11016286d
sha1 2513805ad58f12d86d2158893fb43b122347460f
sha256 8df895344bde009aa0b1c09540e4741b69d3fc473308600c4aa14e9105b57824
sha512 2627213fb8535f4a99feb9eb56bfa095043d8ef17674790de91ade00d0da1769fb73c13026b316e514a0fffe48b26bc0f18b15c39e5a2d6770ae7545c5bf4865
ripemd-160 7374a0b8b232ff09da6da239d0476ce9048e7305

20538045 as geometric shapes

Circle

Radius = n
Diameter 41076090
Circumference 129044342.58219
Area 1.3251592574742E+15

Sphere

Radius = n
Volume 3.628824061623E+22
Surface area 5.300637029897E+15
Circumference 129044342.58219

Square

Length = n
Perimeter 82152180
Area 421811292422025
Diagonal 29045181.783629

Cube

Length = n
Surface area 2530867754532150
Volume 8.6631793052717E+21
Space diagonal 35572937.428136

Equilateral Triangle

Length = n
Perimeter 61614135
Area 1.8264964742031E+14
Altitude 17786468.714068

Triangular Pyramid

Length = n
Surface area 1.8264964742031E+14
Volume 1.0209654722321E+21
Height 9681727.2612096