20402845 (number)

20402845 is an odd 8-digits composite number following 20402844 and preceding 20402846. In scientific notation, it is written as 2.0402845 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16304640 positive integers (up to 20402845) that are relatively prime to 20402845.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0402845 × 10^7
Engineering notation 2.0402845 × 10^6

Prime Factorization of 20402845

Prime Factorization 5 × 1321 × 3089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20402845
Product of the distinct prime numbers

The prime factorization of 20402845 is 5 × 1321 × 3089. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402845)

Multiplication

n×y
n×2 40805690
n×3 61208535
n×4 81611380
n×5 102014225

Division

n÷y
n÷2 10201422.5
n÷3 6800948.3333333
n÷3 5100711.25
n÷5 4080569

Exponentiation

ny
n2 416276084094025
n3 8.4932164209774E+21
n4 1.7328577818866E+29
n5 3.5355228730875E+36

Nth Root

y√n
2√n 4516.9508520682
3√n 273.25214308129
4√n 67.208264760134
5√n 28.969309658738

Divisors of 20402845

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 -20402844
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 20402845 can be divided by 8 positive divisors. The sum of these divisors (counting 20402845) is 1, the average is 0.125.

Base conversion 20402845

Base System Value
2 Binary 1001101110101001010011101
3 Ternary 1102101120102221
4 Quaternary 1031311022131
5 Quinary 20210342340
6 Senary 2005145341
8 Octal 115651235
10 Decimal 20402845
12 Duodecimal 69bb251
16 Hexadecimal 137529d
20 Vigesimal 67a725
36 Base36 c5axp

Cryptographic Hash Functions

md5 3288e3a9a4f808155b4b28cc6139c993
sha1 6c5b29e013a84c145e1b151d13d569bb06b5423d
sha256 6566483f7f95a4bba47bbd11159b915f80e6a0ff00c45a8b04dda44cd855cd23
sha512 a5af921ef7805f5abea2b5262365111767c60c9fba87482779261045799b14cd3de0a2f2e021e69bd7685e77597a088fdbbb3765ad47715e699e9856f8853fe9
ripemd-160 fa6d5b6565e06444c244f787ccf47a98ded68556

20402845 as geometric shapes

Circle

Radius = n
Diameter 40805690
Circumference 128194855.92866
Area 1.3077698876549E+15

Sphere

Radius = n
Volume 3.5576301751321E+22
Surface area 5.2310795506197E+15
Circumference 128194855.92866

Square

Length = n
Perimeter 81611380
Area 416276084094025
Diagonal 28853980.109996

Cube

Length = n
Surface area 2497656504564150
Volume 8.4932164209774E+21
Space diagonal 35338764.158953

Equilateral Triangle

Length = n
Perimeter 61208535
Area 1.8025283190667E+14
Altitude 17669382.079476

Triangular Pyramid

Length = n
Surface area 1.8025283190667E+14
Volume 1.0009351542263E+21
Height 9617993.3699987