20802649 (number)

20802649 is an odd 8-digits composite number following 20802648 and preceding 20802650. In scientific notation, it is written as 2.0802649 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17055456 positive integers (up to 20802649) that are relatively prime to 20802649.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0802649 × 10^7
Engineering notation 2.0802649 × 10^6

Prime Factorization of 20802649

Prime Factorization 7 × 23 × 129209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20802649
Product of the distinct prime numbers

The prime factorization of 20802649 is 7 × 23 × 129209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20802649)

Multiplication

n×y
n×2 41605298
n×3 62407947
n×4 83210596
n×5 104013245

Division

n÷y
n÷2 10401324.5
n÷3 6934216.3333333
n÷3 5200662.25
n÷5 4160529.8

Exponentiation

ny
n2 432750205417201
n3 9.0023506279719E+21
n4 1.8727274028863E+29
n5 3.8957690834925E+36

Nth Root

y√n
2√n 4560.9921069873
3√n 275.0254477828
4√n 67.535117583278
5√n 29.081963716594

Divisors of 20802649

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 -20802648
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 20802649 can be divided by 8 positive divisors. The sum of these divisors (counting 20802649) is 1, the average is 0.125.

Base conversion 20802649

Base System Value
2 Binary 1001111010110110001011001
3 Ternary 1110010212212111
4 Quaternary 1033112301121
5 Quinary 20311141044
6 Senary 2021512321
8 Octal 117266131
10 Decimal 20802649
12 Duodecimal 6b726a1
16 Hexadecimal 13d6c59
20 Vigesimal 6a06c9
36 Base36 cdvfd

Cryptographic Hash Functions

md5 435791363f987ebffda5142ffec1f8be
sha1 df815f1819007a6501867f7241b86d501a2f4246
sha256 e6b1ce9b0768278e72a97fb721182aea42c6565df807ca53dde8de7ae7b7837c
sha512 af6338578e4fd045e3076229bf5691aecfb3ddc115efe4d6dcc11d8cf7cb1343de5ea7b1dbda4f4c1cbc3a9cdba0453f89939b9378b85b71f1c8c20c56d637c5
ripemd-160 47f6e30b39208536bd9d659ab73487398c1988f0

20802649 as geometric shapes

Circle

Radius = n
Diameter 41605298
Circumference 130706898.54721
Area 1.3595248661782E+15

Sphere

Radius = n
Volume 3.7708958130501E+22
Surface area 5.4380994647126E+15
Circumference 130706898.54721

Square

Length = n
Perimeter 83210596
Area 432750205417201
Diagonal 29419388.349087

Cube

Length = n
Surface area 2596501232503206
Volume 9.0023506279719E+21
Space diagonal 36031245.000022

Equilateral Triangle

Length = n
Perimeter 62407947
Area 1.8738633569212E+14
Altitude 18015622.500011

Triangular Pyramid

Length = n
Surface area 1.8738633569212E+14
Volume 1.060937195943E+21
Height 9806462.783029