21086919 (number)

21086919 is an odd 8-digits composite number following 21086918 and preceding 21086920. In scientific notation, it is written as 2.1086919 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 11339136 positive integers (up to 21086919) that are relatively prime to 21086919.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1086919 × 10^7
Engineering notation 2.1086919 × 10^6

Prime Factorization of 21086919

Prime Factorization 7 × 27 × 17 × 6563

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21086919
Product of the distinct prime numbers

The prime factorization of 21086919 is 7 × 27 × 17 × 6563. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 65, 96, 98, 457, 3100, 9533, 11224, 16616, 858975, 430676, 9205076, 2801482, 89039880, 19251247, 606364723, 287358588, 605920306, 425310549

Basic calculations (n = 21086919)

Multiplication

n×y
n×2 42173838
n×3 63260757
n×4 84347676
n×5 105434595

Division

n÷y
n÷2 10543459.5
n÷3 7028973
n÷3 5271729.75
n÷5 4217383.8

Exponentiation

ny
n2 444658152912561
n3 9.3764704531568E+21
n4 1.9772087295161E+29
n5 4.1693240325399E+36

Nth Root

y√n
2√n 4592.0495424157
3√n 276.27253325883
4√n 67.764662932945
5√n 29.161014306759

Divisors of 21086919

1, 7, 17, 27, 119, 189, 459, 3213, 6563, 45941, 111571, 177201, 780997, 1240407, 3012417, 21086919

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 -21086918
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 21086919 can be divided by 16 positive divisors. The sum of these divisors (counting 21086919) is 1, the average is 0.0625.

Base conversion 21086919

Base System Value
2 Binary 1010000011100001011000111
3 Ternary 1110200022211000
4 Quaternary 1100130023013
5 Quinary 20344240134
6 Senary 2031544343
8 Octal 120341307
10 Decimal 21086919
12 Duodecimal 708b0b3
16 Hexadecimal 141c2c7
20 Vigesimal 6bfh5j
36 Base36 cjyrr

Cryptographic Hash Functions

md5 9dd49d21e49dad01c7d8d54468c3b3d0
sha1 6a912eea720009f12c80c86452449ab3c0861bd1
sha256 1895c3315fc1e36ec64a2b442331ed073e2e584bf49f8dc8f6aed44b37a9110d
sha512 c636ddf7c71e4a9dddcf92dc18dc96a12dd60cefce0ea6001d074ed32c6906586d10a689a8956f34d544a9fc5cad2245d2c6a6633ca739c9b66849fe0a87a1e2
ripemd-160 f09e13dfa33ecde0b85c96f3c032fd4153c1ff1b

21086919 as geometric shapes

Circle

Radius = n
Diameter 42173838
Circumference 132493019.63449
Area 1.3969347865489E+15

Sphere

Radius = n
Volume 3.9276067589652E+22
Surface area 5.5877391461956E+15
Circumference 132493019.63449

Square

Length = n
Perimeter 84347676
Area 444658152912561
Diagonal 29821406.838463

Cube

Length = n
Surface area 2667948917475366
Volume 9.3764704531568E+21
Space diagonal 36523615.08309

Equilateral Triangle

Length = n
Perimeter 63260757
Area 1.9254262821107E+14
Altitude 18261807.541545

Triangular Pyramid

Length = n
Surface area 1.9254262821107E+14
Volume 1.1050276401704E+21
Height 9940468.9461543