20455745 (number)

20455745 is an odd 8-digits composite number following 20455744 and preceding 20455746. In scientific notation, it is written as 2.0455745 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 15983856 positive integers (up to 20455745) that are relatively prime to 20455745.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand seven hundred forty-five

Notation

Scientific notation 2.0455745 × 10^7
Engineering notation 2.0455745 × 10^6

Prime Factorization of 20455745

Prime Factorization 5 × 43 × 95143

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20455745
Product of the distinct prime numbers

The prime factorization of 20455745 is 5 × 43 × 95143. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 53, 70, 167, 877, 8886, 8596, 64959, 94590, 88134, 942488, 7342422, 4415272, 12628067, 36550444, 641556177, 130900450, 5091481022, 3237665399

Basic calculations (n = 20455745)

Multiplication

n×y
n×2 40911490
n×3 61367235
n×4 81822980
n×5 102278725

Division

n÷y
n÷2 10227872.5
n÷3 6818581.6666667
n÷3 5113936.25
n÷5 4091149

Exponentiation

ny
n2 418437503505025
n3 8.5594508701354E+21
n4 1.7508994433952E+29
n5 3.5815952534734E+36

Nth Root

y√n
2√n 4522.802781462
3√n 273.48809977332
4√n 67.251786455543
5√n 28.984316287489

Divisors of 20455745

1, 5, 43, 215, 95143, 475715, 4091149, 20455745

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 -20455744
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 20455745 can be divided by 8 positive divisors. The sum of these divisors (counting 20455745) is 1, the average is 0.125.

Base conversion 20455745

Base System Value
2 Binary 1001110000010000101000001
3 Ternary 1102111021000012
4 Quaternary 1032002011001
5 Quinary 20214040440
6 Senary 2010234305
8 Octal 116020501
10 Decimal 20455745
12 Duodecimal 6a25995
16 Hexadecimal 1382141
20 Vigesimal 67gj75
36 Base36 c6fr5

Cryptographic Hash Functions

md5 c64449622d93e60e1a2ab9d6d01518e3
sha1 820cd4f50de38a72bec0d6c551b192bee2b37e43
sha256 87b6c66eca9ddefc31a2fa212810d7100a2313aa737e6bb363445e61c05c47b7
sha512 6ebf4b216f83edb67f8340873f2a6799a605c5c91d4c3aacdd38eb453fedd2e459463f0c2614ae5b053434c1a0edb982b972051e31d0f567f32f8a1eb207dbc2
ripemd-160 c2f7f44798dcf8d3e42bac095b18442cd10160fe

20455745 as geometric shapes

Circle

Radius = n
Diameter 40911490
Circumference 128527236.43141
Area 1.3145601869978E+15

Sphere

Radius = n
Volume 3.5853743963173E+22
Surface area 5.2582407479914E+15
Circumference 128527236.43141

Square

Length = n
Perimeter 81822980
Area 418437503505025
Diagonal 28928792.007446

Cube

Length = n
Surface area 2510625021030150
Volume 8.5594508701354E+21
Space diagonal 35430389.646673

Equilateral Triangle

Length = n
Perimeter 61367235
Area 1.8118875396575E+14
Altitude 17715194.823337

Triangular Pyramid

Length = n
Surface area 1.8118875396575E+14
Volume 1.0087409589176E+21
Height 9642930.6691485