21686472 (number)

21686472 is an even 8-digits composite number following 21686471 and preceding 21686473. In scientific notation, it is written as 2.1686472 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 7200096 positive integers (up to 21686472) that are relatively prime to 21686472.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1686472 × 10^7
Engineering notation 2.1686472 × 10^6

Prime Factorization of 21686472

Prime Factorization 2 × 2 × 2 × 9 × 839 × 359

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5421618
Product of the distinct prime numbers

The prime factorization of 21686472 is 2 × 2 × 2 × 9 × 839 × 359. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 6, 49, 86, 117, 632, 7978, 7659, 73155, 1621, 459817, 272320, 460305, 3105969, 20001072, 26391159, 607311999, 831685385, 7751434280, 956286456

Basic calculations (n = 21686472)

Multiplication

n×y
n×2 43372944
n×3 65059416
n×4 86745888
n×5 108432360

Division

n÷y
n÷2 10843236
n÷3 7228824
n÷3 5421618
n÷5 4337294.4

Exponentiation

ny
n2 470303067806784
n3 1.0199214311506E+22
n4 2.2118497558847E+29
n5 4.7967217799201E+36

Nth Root

y√n
2√n 4656.8736293784
3√n 278.86647173443
4√n 68.241289769306
5√n 29.324983820076

Divisors of 21686472

1, 2, 4, 8, 9, 18, 36, 72, 359, 718, 839, 1436, 1678, 2872, 3231, 3356, 6462, 6712, 7551, 12924, 15102, 25848, 30204, 60408, 301201, 602402, 1204804, 2409608, 2710809, 5421618, 10843236, 21686472

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21686471
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21686472 can be divided by 32 positive divisors. The sum of these divisors (counting 21686472) is 1, the average is 0.03125.

Base conversion 21686472

Base System Value
2 Binary 1010010101110100011001000
3 Ternary 1111210210020200
4 Quaternary 1102232203020
5 Quinary 21022431342
6 Senary 2052452200
8 Octal 122564310
10 Decimal 21686472
12 Duodecimal 731a060
16 Hexadecimal 14ae8c8
20 Vigesimal 6fag3c
36 Base36 cwte0

Cryptographic Hash Functions

md5 2f599370fdcac1d0a1388e18ac0a5972
sha1 8c7d8c200f36593aed6572162a4a7c45da1a2776
sha256 f59139665f54280f46da8ab9fb9d88e62b25c3541b7e9d8e6a0bdc97319dbbd1
sha512 91810639e07e36d6138fd4c88680a1e56acad9eff09ef05647639ede46f1c7dce0af1fe70698a5d337cf7df7a6a1a5af53fe7f116dbb923d7166eab220181d01
ripemd-160 a539073fb367bda22340279291846680deef0aef

21686472 as geometric shapes

Circle

Radius = n
Diameter 43372944
Circumference 136260122.23496
Area 1.4775006627825E+15

Sphere

Radius = n
Volume 4.2722369004553E+22
Surface area 5.9100026511301E+15
Circumference 136260122.23496

Square

Length = n
Perimeter 86745888
Area 470303067806784
Diagonal 30669302.822424

Cube

Length = n
Surface area 2821818406840704
Volume 1.0199214311506E+22
Space diagonal 37562071.34092

Equilateral Triangle

Length = n
Perimeter 65059416
Area 2.0364720209922E+14
Altitude 18781035.67046

Triangular Pyramid

Length = n
Surface area 2.0364720209922E+14
Volume 1.2019889337401E+21
Height 10223100.940808