20871009 (number)

20871009 is an odd 8-digits composite number following 20871008 and preceding 20871010. In scientific notation, it is written as 2.0871009 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13452480 positive integers (up to 20871009) that are relatively prime to 20871009.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seventy-one thousand nine

Notation

Scientific notation 2.0871009 × 10^7
Engineering notation 2.0871009 × 10^6

Prime Factorization of 20871009

Prime Factorization 9 × 163 × 41 × 347

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20871009
Product of the distinct prime numbers

The prime factorization of 20871009 is 9 × 163 × 41 × 347. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20871009)

Multiplication

n×y
n×2 41742018
n×3 62613027
n×4 83484036
n×5 104355045

Division

n÷y
n÷2 10435504.5
n÷3 6957003
n÷3 5217752.25
n÷5 4174201.8

Exponentiation

ny
n2 435599016678081
n3 9.0913909974794E+21
n4 1.8974650333091E+29
n5 3.960200978738E+36

Nth Root

y√n
2√n 4568.479944139
3√n 275.32637393402
4√n 67.590531468091
5√n 29.101052006754

Divisors of 20871009

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 -20871008
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 20871009 can be divided by 16 positive divisors. The sum of these divisors (counting 20871009) is 1, the average is 0.0625.

Base conversion 20871009

Base System Value
2 Binary 1001111100111011101100001
3 Ternary 1110021100122100
4 Quaternary 1033213131201
5 Quinary 20320333014
6 Senary 2023201013
8 Octal 117473541
10 Decimal 20871009
12 Duodecimal 6ba6169
16 Hexadecimal 13e7761
20 Vigesimal 6a8ha9
36 Base36 cfc69

Cryptographic Hash Functions

md5 c0aaff7a248d4e23b0a88ffa1a965d49
sha1 f782d24d2a65363660881a713610bdea1e3cb170
sha256 926cc827c36d13cce77a12d8abfc635ac4f7ba08f31d943f9c4caee196874a48
sha512 8cffd819675bb209cdc313758de5c33c0014116e4d325d44501049254e286f4c1cceac6be6e956498cb09db8fc173f50c6c2fe2ab0d5ac759f4eb7f843bdc9b4
ripemd-160 46f24dc62c9cbdef3f33d9343a160a50eef1cffe

20871009 as geometric shapes

Circle

Radius = n
Diameter 41742018
Circumference 131136417.09481
Area 1.3684746707068E+15

Sphere

Radius = n
Volume 3.8081929558125E+22
Surface area 5.4738986828272E+15
Circumference 131136417.09481

Square

Length = n
Perimeter 83484036
Area 435599016678081
Diagonal 29516063.988211

Cube

Length = n
Surface area 2613594100068486
Volume 9.0913909974794E+21
Space diagonal 36149647.993227

Equilateral Triangle

Length = n
Perimeter 62613027
Area 1.8861990715337E+14
Altitude 18074823.996614

Triangular Pyramid

Length = n
Surface area 1.8861990715337E+14
Volume 1.0714307041227E+21
Height 9838687.9960703