21086687 (number)

21086687 is an odd 8-digits prime number following 21086686 and preceding 21086688. In scientific notation, it is written as 2.1086687 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 21086686 positive integers (up to 21086687) that are relatively prime to 21086687.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1086687 × 10^7
Engineering notation 2.1086687 × 10^6

Prime Factorization of 21086687

Prime Factorization 21086687

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21086687
Product of the distinct prime numbers

The prime factorization of 21086687 is 21086687. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 10, 20, 35, 13, 3, 3285, 5460, 99749, 8275, 40585, 368247, 4350843, 4411684, 61611932, 38272812, 569225462, 829328315, 5557217877, 7648615322

Basic calculations (n = 21086687)

Multiplication

n×y
n×2 42173374
n×3 63260061
n×4 84346748
n×5 105433435

Division

n÷y
n÷2 10543343.5
n÷3 7028895.6666667
n÷3 5271671.75
n÷5 4217337.4

Exponentiation

ny
n2 444648368635969
n3 9.3761609744873E+21
n4 1.9771217173063E+29
n5 4.169094681374E+36

Nth Root

y√n
2√n 4592.0242812947
3√n 276.27152006414
4√n 67.764476544091
5√n 29.160950140106

Divisors of 21086687

1, 21086687

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21086688
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10543344
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4592.0243901791
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051534
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086687 can be divided by 2 positive divisors. The sum of these divisors (counting 21086687) is 21086688, the average is 10543344.

Base conversion 21086687

Base System Value
2 Binary 1010000011100000111011111
3 Ternary 1110200022111102
4 Quaternary 1100130013133
5 Quinary 20344233222
6 Senary 2031543315
8 Octal 120340737
10 Decimal 21086687
12 Duodecimal 708ab3b
16 Hexadecimal 141c1df
20 Vigesimal 6bfge7
36 Base36 cjylb

Cryptographic Hash Functions

md5 3cad6e710ddd0271c93d38d0e36c5db0
sha1 a04a605aceebab345879a6b612f84adb4cd31939
sha256 d78e313a73652d7f730abdceac7495a33ca5891d94cc319fa370a7798dd15fb8
sha512 2ecccd4db0d287490f1b1e2a88c511dc20db7a0ac713e1db6af22acb9a8909e4e8cb7e6c2fbfdaee8b7c7603aa7ff54a5454823a5b63a19c28705398f34b34c4
ripemd-160 1e2d87e6ef45878cf5d71b9f05c122e5ce8867d4

21086687 as geometric shapes

Circle

Radius = n
Diameter 42173374
Circumference 132491561.93549
Area 1.3969040483374E+15

Sphere

Radius = n
Volume 3.9274771248433E+22
Surface area 5.5876161933498E+15
Circumference 132491561.93549

Square

Length = n
Perimeter 84346748
Area 444648368635969
Diagonal 29821078.740916

Cube

Length = n
Surface area 2667890211815814
Volume 9.3761609744873E+21
Space diagonal 36523213.247302

Equilateral Triangle

Length = n
Perimeter 63260061
Area 1.9253839149503E+14
Altitude 18261606.623651

Triangular Pyramid

Length = n
Surface area 1.9253839149503E+14
Volume 1.1049911677594E+21
Height 9940359.5803055