20861009 (number)

20861009 is an odd 8-digits composite number following 20861008 and preceding 20861010. In scientific notation, it is written as 2.0861009 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 19222416 positive integers (up to 20861009) that are relatively prime to 20861009.

Interesting facts

Basic properties

Name

Name twenty million eight hundred sixty-one thousand nine

Notation

Scientific notation 2.0861009 × 10^7
Engineering notation 2.0861009 × 10^6

Prime Factorization of 20861009

Prime Factorization 13 × 787 × 2039

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20861009
Product of the distinct prime numbers

The prime factorization of 20861009 is 13 × 787 × 2039. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20861009)

Multiplication

n×y
n×2 41722018
n×3 62583027
n×4 83444036
n×5 104305045

Division

n÷y
n÷2 10430504.5
n÷3 6953669.6666667
n÷3 5215252.25
n÷5 4172201.8

Exponentiation

ny
n2 435181696498081
n3 9.0783292872817E+21
n4 1.8938310896695E+29
n5 3.9507227406075E+36

Nth Root

y√n
2√n 4567.3853570725
3√n 275.28239421102
4√n 67.582433790686
5√n 29.09826281425

Divisors of 20861009

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 -20861008
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 20861009 can be divided by 8 positive divisors. The sum of these divisors (counting 20861009) is 1, the average is 0.125.

Base conversion 20861009

Base System Value
2 Binary 1001111100101000001010001
3 Ternary 1110020211220222
4 Quaternary 1033211001101
5 Quinary 20320023014
6 Senary 2023042425
8 Octal 117450121
10 Decimal 20861009
12 Duodecimal 6ba0415
16 Hexadecimal 13e5051
20 Vigesimal 6a7ca9
36 Base36 cf4gh

Cryptographic Hash Functions

md5 5c6b66f4e8220683ff59bfb5c60345c9
sha1 1b22c0e5e10e61cf8578227bb473c1defa7e4bad
sha256 751449c9c26a035aec15b857715f4d527de2aa0f48387bbafed8a83ada0c8645
sha512 9c43b56380a16d772e2a7db73768500df3dc0e950acea50108c51828529b4eb322fda4d1fc676ffa78ba7e343af4eb6e2b9ec04b6e32d1314457a5ef73f0c412
ripemd-160 656b728b830dd6e847f06ea570667d85acead406

20861009 as geometric shapes

Circle

Radius = n
Diameter 41722018
Circumference 131073585.24174
Area 1.3671636206951E+15

Sphere

Radius = n
Volume 3.8027216794391E+22
Surface area 5.4686544827805E+15
Circumference 131073585.24174

Square

Length = n
Perimeter 83444036
Area 435181696498081
Diagonal 29501921.852587

Cube

Length = n
Surface area 2611090178988486
Volume 9.0783292872817E+21
Space diagonal 36132327.485152

Equilateral Triangle

Length = n
Perimeter 62583027
Area 1.8843920221467E+14
Altitude 18066163.742576

Triangular Pyramid

Length = n
Surface area 1.8843920221467E+14
Volume 1.0698913668136E+21
Height 9833973.9508624