20802643 (number)

20802643 is an odd 8-digits composite number following 20802642 and preceding 20802644. In scientific notation, it is written as 2.0802643 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20064000 positive integers (up to 20802643) that are relatively prime to 20802643.

Interesting facts

Basic properties

Name

Name twenty million eight hundred two thousand six hundred forty-three

Notation

Scientific notation 2.0802643 × 10^7
Engineering notation 2.0802643 × 10^6

Prime Factorization of 20802643

Prime Factorization 10943 × 1901

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20802643
Product of the distinct prime numbers

The prime factorization of 20802643 is 10943 × 1901. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20802643)

Multiplication

n×y
n×2 41605286
n×3 62407929
n×4 83210572
n×5 104013215

Division

n÷y
n÷2 10401321.5
n÷3 6934214.3333333
n÷3 5200660.75
n÷5 4160528.6

Exponentiation

ny
n2 432749955785449
n3 9.0023428384705E+21
n4 1.8727252423231E+29
n5 3.8957634653136E+36

Nth Root

y√n
2√n 4560.9914492356
3√n 275.02542134141
4√n 67.535112713577
5√n 29.081962039002

Divisors of 20802643

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 -20802642
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 20802643 can be divided by 4 positive divisors. The sum of these divisors (counting 20802643) is 1, the average is 0.25.

Base conversion 20802643

Base System Value
2 Binary 1001111010110110001010011
3 Ternary 1110010212212021
4 Quaternary 1033112301103
5 Quinary 20311141033
6 Senary 2021512311
8 Octal 117266123
10 Decimal 20802643
12 Duodecimal 6b72697
16 Hexadecimal 13d6c53
20 Vigesimal 6a06c3
36 Base36 cdvf7

Cryptographic Hash Functions

md5 38aa6a6165108be528d6c7a07bf7a29e
sha1 482eb3b3c23707642f0693f945381d7c840f17dd
sha256 d1434c2645a8824a7a425933ba67cbc7cdfed77f35034c6afdb6ba3615e3e8a5
sha512 ff747b8d08097116041182c508263dc9b02f653643cad2f2fa02e0871d6a74041cf8e1b4aa13b06a3b4cd14f38df21b830480aa7d6732f660db5eebff354a372
ripemd-160 94fb5cd5e95dde589fe9b4b0bf24d2af262efff3

20802643 as geometric shapes

Circle

Radius = n
Diameter 41605286
Circumference 130706860.8481
Area 1.3595240819369E+15

Sphere

Radius = n
Volume 3.7708925501914E+22
Surface area 5.4380963277475E+15
Circumference 130706860.8481

Square

Length = n
Perimeter 83210572
Area 432749955785449
Diagonal 29419379.863806

Cube

Length = n
Surface area 2596499734712694
Volume 9.0023428384705E+21
Space diagonal 36031234.607717

Equilateral Triangle

Length = n
Perimeter 62407929
Area 1.873862275984E+14
Altitude 18015617.303859

Triangular Pyramid

Length = n
Surface area 1.873862275984E+14
Volume 1.0609362779414E+21
Height 9806459.9546019