21086872 (number)

21086872 is an even 8-digits composite number following 21086871 and preceding 21086873. In scientific notation, it is written as 2.1086872 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors. There are 10518816 positive integers (up to 21086872) that are relatively prime to 21086872.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand eight hundred seventy-two

Notation

Scientific notation 2.1086872 × 10^7
Engineering notation 2.1086872 × 10^6

Prime Factorization of 21086872

Prime Factorization 2 × 2 × 2 × 463 × 5693

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5271718
Product of the distinct prime numbers

The prime factorization of 21086872 is 2 × 2 × 2 × 463 × 5693. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 2, 96, 37, 701, 691, 7764, 6876, 50436, 76829, 561838, 711356, 8676175, 7040843, 82545043, 17465866, 808303162, 662294376, 5665977243, 1873677224

Basic calculations (n = 21086872)

Multiplication

n×y
n×2 42173744
n×3 63260616
n×4 84347488
n×5 105434360

Division

n÷y
n÷2 10543436
n÷3 7028957.3333333
n÷3 5271718
n÷5 4217374.4

Exponentiation

ny
n2 444656170744384
n3 9.376407756497E+21
n4 1.9771911018106E+29
n5 4.1692775683419E+36

Nth Root

y√n
2√n 4592.0444248722
3√n 276.27232800016
4√n 67.764625173258
5√n 29.161001307526

Divisors of 21086872

1, 2, 4, 8, 463, 926, 1852, 3704, 5693, 11386, 22772, 45544, 2635859, 5271718, 10543436, 21086872

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 -21086871
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 21086872 can be divided by 16 positive divisors. The sum of these divisors (counting 21086872) is 1, the average is 0.0625.

Base conversion 21086872

Base System Value
2 Binary 1010000011100001010011000
3 Ternary 1110200022202021
4 Quaternary 1100130022120
5 Quinary 20344234442
6 Senary 2031544224
8 Octal 120341230
10 Decimal 21086872
12 Duodecimal 708b074
16 Hexadecimal 141c298
20 Vigesimal 6bfh3c
36 Base36 cjyqg

Cryptographic Hash Functions

md5 0404f287e9494a62cbcb3d9f0b0516f0
sha1 e8e94fc712654ed05510d6bc746419d5e5841da8
sha256 d64893c5072639a2f5be7d35eb2b99e5c5640b0873e4447abef72d9cea09a557
sha512 4d345b52c8ec628614f12423b7f7cfe8e6eb831d544d03e9533bb130a56fac63c5f301b5e8561e294836d02aad837b4ed547fb82841daf375b1c1b38bd7f1fd6
ripemd-160 99657c440fe99e78744dd9e076b2dc4f2f4f227b

21086872 as geometric shapes

Circle

Radius = n
Diameter 42173744
Circumference 132492724.32478
Area 1.3969285593839E+15

Sphere

Radius = n
Volume 3.9275804966498E+22
Surface area 5.5877142375357E+15
Circumference 132492724.32478

Square

Length = n
Perimeter 84347488
Area 444656170744384
Diagonal 29821340.370425

Cube

Length = n
Surface area 2667937024466304
Volume 9.376407756497E+21
Space diagonal 36523533.676702

Equilateral Triangle

Length = n
Perimeter 63260616
Area 1.9254176990707E+14
Altitude 18261766.838351

Triangular Pyramid

Length = n
Surface area 1.9254176990707E+14
Volume 1.1050202512982E+21
Height 9940446.7901418