20247945 (number)

20247945 is an odd 8-digits composite number following 20247944 and preceding 20247946. In scientific notation, it is written as 2.0247945 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10289664 positive integers (up to 20247945) that are relatively prime to 20247945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0247945 × 10^7
Engineering notation 2.0247945 × 10^6

Prime Factorization of 20247945

Prime Factorization 15 × 89 × 29 × 523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20247945
Product of the distinct prime numbers

The prime factorization of 20247945 is 15 × 89 × 29 × 523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20247945)

Multiplication

n×y
n×2 40495890
n×3 60743835
n×4 80991780
n×5 101239725

Division

n÷y
n÷2 10123972.5
n÷3 6749315
n÷3 5061986.25
n÷5 4049589

Exponentiation

ny
n2 409979276723025
n3 8.3012378462276E+21
n4 1.6808300734233E+29
n5 3.4033354881022E+36

Nth Root

y√n
2√n 4499.7716608735
3√n 272.55886840842
4√n 67.08033736404
5√n 28.925188010144

Divisors of 20247945

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 -20247944
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 20247945 can be divided by 16 positive divisors. The sum of these divisors (counting 20247945) is 1, the average is 0.0625.

Base conversion 20247945

Base System Value
2 Binary 1001101001111010110001001
3 Ternary 1102002200221220
4 Quaternary 1031033112021
5 Quinary 20140413240
6 Senary 2001552253
8 Octal 115172611
10 Decimal 20247945
12 Duodecimal 6945689
16 Hexadecimal 134f589
20 Vigesimal 66ajh5
36 Base36 c1zex

Cryptographic Hash Functions

md5 0b0adda62a879dbbad64765e2f863c21
sha1 01eae2ec14d170bb5832b25e3eba40a5a5ca6064
sha256 4e13e6cb827a925b7e84f6e345cfc5c4b3dca3bdae862938864fa7b969f9d931
sha512 247f5bf574011a93537141a13111422aef1d56a07bc1ffe64892eadecb05c9b2bfc9eaf5eaa1fa09f9d7d65a8029517d65059edeb3d7ffd4677bbd3edb39283d
ripemd-160 19af6a728fd5bdc729903c636aaab6d47e105b9a

20247945 as geometric shapes

Circle

Radius = n
Diameter 40495890
Circumference 127221590.52458
Area 1.2879878838771E+15

Sphere

Radius = n
Volume 3.477214377788E+22
Surface area 5.1519515355084E+15
Circumference 127221590.52458

Square

Length = n
Perimeter 80991780
Area 409979276723025
Diagonal 28634918.429185

Cube

Length = n
Surface area 2459875660338150
Volume 8.3012378462276E+21
Space diagonal 35070469.48886

Equilateral Triangle

Length = n
Perimeter 60743835
Area 1.7752623433365E+14
Altitude 17535234.74443

Triangular Pyramid

Length = n
Surface area 1.7752623433365E+14
Volume 9.7831026221832E+20
Height 9544972.8097282