20455845 (number)

20455845 is an odd 8-digits composite number following 20455844 and preceding 20455846. In scientific notation, it is written as 2.0455845 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10149888 positive integers (up to 20455845) that are relatively prime to 20455845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0455845 × 10^7
Engineering notation 2.0455845 × 10^6

Prime Factorization of 20455845

Prime Factorization 15 × 17 × 827 × 97

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20455845
Product of the distinct prime numbers

The prime factorization of 20455845 is 15 × 17 × 827 × 97. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 14, 35, 487, 575, 3559, 7094, 58087, 23252, 441015, 905831, 55226, 4668913, 5805954, 89539924, 557876090, 810112690, 956705523, 4012899030

Basic calculations (n = 20455845)

Multiplication

n×y
n×2 40911690
n×3 61367535
n×4 81823380
n×5 102279225

Division

n÷y
n÷2 10227922.5
n÷3 6818615
n÷3 5113961.25
n÷5 4091169

Exponentiation

ny
n2 418441594664025
n3 8.5595764020001E+21
n4 1.7509336814497E+29
n5 3.5816827993015E+36

Nth Root

y√n
2√n 4522.8138365403
3√n 273.48854543077
4√n 67.2518686472
5√n 28.984344625992

Divisors of 20455845

1, 15, 17, 97, 255, 827, 1455, 1649, 12405, 14059, 24735, 80219, 210885, 1203285, 1363723, 20455845

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 -20455844
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 20455845 can be divided by 16 positive divisors. The sum of these divisors (counting 20455845) is 1, the average is 0.0625.

Base conversion 20455845

Base System Value
2 Binary 1001110000010000110100101
3 Ternary 1102111021010220
4 Quaternary 1032002012211
5 Quinary 20214041340
6 Senary 2010234553
8 Octal 116020645
10 Decimal 20455845
12 Duodecimal 6a25a59
16 Hexadecimal 13821a5
20 Vigesimal 67gjc5
36 Base36 c6ftx

Cryptographic Hash Functions

md5 3255be7d83ca59d644c4f213b95cb5e7
sha1 051dfe2d1821cfc937c9fa5b85bafa2ad88363a6
sha256 0ca421edb7b086439ae338f477b57284fc0c787d384fcdef50df5c9082817953
sha512 35816885622a8f94ab5fc1007ebed3023b77a1a257633bd013c741d9471aa1495fea7b1462f77058edd3e81f7cc5291de467d38716c76018332f5fa0f96407ab
ripemd-160 3f8de0148c2148768cd7936a008a62b44f6b6ec2

20455845 as geometric shapes

Circle

Radius = n
Diameter 40911690
Circumference 128527864.74994
Area 1.3145730397529E+15

Sphere

Radius = n
Volume 3.5854269789819E+22
Surface area 5.2582921590116E+15
Circumference 128527864.74994

Square

Length = n
Perimeter 81823380
Area 418441594664025
Diagonal 28928933.428802

Cube

Length = n
Surface area 2510649567984150
Volume 8.5595764020001E+21
Space diagonal 35430562.851754

Equilateral Triangle

Length = n
Perimeter 61367535
Area 1.8119052548956E+14
Altitude 17715281.425877

Triangular Pyramid

Length = n
Surface area 1.8119052548956E+14
Volume 1.0087557529898E+21
Height 9642977.8096006