21086789 (number)

21086789 is an odd 8-digits composite number following 21086788 and preceding 21086790. In scientific notation, it is written as 2.1086789 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 19332000 positive integers (up to 21086789) that are relatively prime to 21086789.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand seven hundred eighty-nine

Notation

Scientific notation 2.1086789 × 10^7
Engineering notation 2.1086789 × 10^6

Prime Factorization of 21086789

Prime Factorization 31 × 19 × 35801

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21086789
Product of the distinct prime numbers

The prime factorization of 21086789 is 31 × 19 × 35801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086789)

Multiplication

n×y
n×2 42173578
n×3 63260367
n×4 84347156
n×5 105433945

Division

n÷y
n÷2 10543394.5
n÷3 7028929.6666667
n÷3 5271697.25
n÷5 4217357.8

Exponentiation

ny
n2 444652670330521
n3 9.3762970375463E+21
n4 1.9771599723206E+29
n5 4.1691955155571E+36

Nth Root

y√n
2√n 4592.0353874943
3√n 276.27196552134
4√n 67.764558491104
5√n 29.160978351377

Divisors of 21086789

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 -21086788
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 21086789 can be divided by 8 positive divisors. The sum of these divisors (counting 21086789) is 1, the average is 0.125.

Base conversion 21086789

Base System Value
2 Binary 1010000011100001001000101
3 Ternary 1110200022122012
4 Quaternary 1100130021011
5 Quinary 20344234124
6 Senary 2031544005
8 Octal 120341105
10 Decimal 21086789
12 Duodecimal 708b005
16 Hexadecimal 141c245
20 Vigesimal 6bfgj9
36 Base36 cjyo5

Cryptographic Hash Functions

md5 1db84253ffb07f272252068a49504e28
sha1 c4b92c99307be1b03f8a4d1fd4e856902b8f7ffa
sha256 d930b238d55321237a735052abd9a7cabe136a72653c916c13af1c9caa0872be
sha512 2b414647843a6a21e9231390105df335e757db7e289a0e8cfd65fe25ba9d28d18bce6069ee6796e85bbdd3c0943271141d14f33bbcadac27733b84bf495e08f5
ripemd-160 c6be2b40dc064bffaaeabfa761b9ea257fab8c40

21086789 as geometric shapes

Circle

Radius = n
Diameter 42173578
Circumference 132492202.8204
Area 1.3969175625094E+15

Sphere

Radius = n
Volume 3.9275341188041E+22
Surface area 5.5876702500378E+15
Circumference 132492202.8204

Square

Length = n
Perimeter 84347156
Area 444652670330521
Diagonal 29821222.9907

Cube

Length = n
Surface area 2667916021983126
Volume 9.3762970375463E+21
Space diagonal 36523389.916485

Equilateral Triangle

Length = n
Perimeter 63260367
Area 1.9254025418341E+14
Altitude 18261694.958242

Triangular Pyramid

Length = n
Surface area 1.9254025418341E+14
Volume 1.1050072029447E+21
Height 9940407.6635666