20745249 (number)

20745249 is an odd 8-digits composite number following 20745248 and preceding 20745250. In scientific notation, it is written as 2.0745249 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 11854416 positive integers (up to 20745249) that are relatively prime to 20745249.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0745249 × 10^7
Engineering notation 2.0745249 × 10^6

Prime Factorization of 20745249

Prime Factorization 21 × 987869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20745249
Product of the distinct prime numbers

The prime factorization of 20745249 is 21 × 987869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20745249)

Multiplication

n×y
n×2 41490498
n×3 62235747
n×4 82980996
n×5 103726245

Division

n÷y
n÷2 10372624.5
n÷3 6915083
n÷3 5186312.25
n÷5 4149049.8

Exponentiation

ny
n2 430365356072001
n3 8.9280364726873E+21
n4 1.8521433970698E+29
n5 3.8423175955919E+36

Nth Root

y√n
2√n 4554.6952697189
3√n 274.7722588312
4√n 67.488482496786
5√n 29.065897010912

Divisors of 20745249

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 -20745248
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 20745249 can be divided by 4 positive divisors. The sum of these divisors (counting 20745249) is 1, the average is 0.25.

Base conversion 20745249

Base System Value
2 Binary 1001111001000110000100001
3 Ternary 1110000222010120
4 Quaternary 1033020300201
5 Quinary 20302321444
6 Senary 2020350453
8 Octal 117106041
10 Decimal 20745249
12 Duodecimal 6b45429
16 Hexadecimal 13c8c21
20 Vigesimal 69d329
36 Base36 ccn4x

Cryptographic Hash Functions

md5 1d3bea20bc5f2a63aabd42d209133bfb
sha1 4623e7096edc75231f6d2202d15f95525a50b6fa
sha256 28427c631a9ebff09511f3f17349e713f388d4fde01122433c753e6c71b52019
sha512 a0dfe551638cdb1643861c1e24234a8c137c214409f03c8142a8e284a096d2f0a8fdb4fc802ba2a45b73dc28ebee1db74e75314f2dc51723c3633dcfe588fb51
ripemd-160 851aa28ac53286fe24b7a19b11fe465411b15f87

20745249 as geometric shapes

Circle

Radius = n
Diameter 41490498
Circumference 130346243.71058
Area 1.3520326409954E+15

Sphere

Radius = n
Volume 3.7397671724768E+22
Surface area 5.4081305639814E+15
Circumference 130346243.71058

Square

Length = n
Perimeter 82980996
Area 430365356072001
Diagonal 29338212.490607

Cube

Length = n
Surface area 2582192136432006
Volume 8.9280364726873E+21
Space diagonal 35931825.283667

Equilateral Triangle

Length = n
Perimeter 62235747
Area 1.8635366563354E+14
Altitude 17965912.641834

Triangular Pyramid

Length = n
Surface area 1.8635366563354E+14
Volume 1.052179188753E+21
Height 9779404.1635356