21686892 (number)

21686892 is an even 8-digits composite number following 21686891 and preceding 21686893. In scientific notation, it is written as 2.1686892 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 7215936 positive integers (up to 21686892) that are relatively prime to 21686892.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1686892 × 10^7
Engineering notation 2.1686892 × 10^6

Prime Factorization of 21686892

Prime Factorization 2 × 2 × 3 × 709 × 2549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10843446
Product of the distinct prime numbers

The prime factorization of 21686892 is 2 × 2 × 3 × 709 × 2549. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 16, 91, 243, 422, 1844, 1088, 1457, 75348, 112616, 297, 3474786, 89218, 22646510, 77927460, 921666081, 874584654, 2669290716, 3845126860

Basic calculations (n = 21686892)

Multiplication

n×y
n×2 43373784
n×3 65060676
n×4 86747568
n×5 108434460

Division

n÷y
n÷2 10843446
n÷3 7228964
n÷3 5421723
n÷5 4337378.4

Exponentiation

ny
n2 470321284619664
n3 1.0199806904848E+22
n4 2.2120211076629E+29
n5 4.7971862863606E+36

Nth Root

y√n
2√n 4656.9187237915
3√n 278.86827198364
4√n 68.241620172674
5√n 29.325097406073

Divisors of 21686892

1, 2, 3, 4, 6, 12, 709, 1418, 2127, 2549, 2836, 4254, 5098, 7647, 8508, 10196, 15294, 30588, 1807241, 3614482, 5421723, 7228964, 10843446, 21686892

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21686891
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21686892 can be divided by 24 positive divisors. The sum of these divisors (counting 21686892) is 1, the average is 0.041666666666667.

Base conversion 21686892

Base System Value
2 Binary 1010010101110101001101100
3 Ternary 1111210210211020
4 Quaternary 1102232221230
5 Quinary 21022440032
6 Senary 2052454140
8 Octal 122565154
10 Decimal 21686892
12 Duodecimal 731a350
16 Hexadecimal 14aea6c
20 Vigesimal 6fah4c
36 Base36 cwtpo

Cryptographic Hash Functions

md5 89f7cd5116c1b81aa24e6d2b23376811
sha1 6875455429e5d9a5684f39c49e24cdbfabed5545
sha256 060090400cc13dbe031eeb55e465f6429efbf30d441f84acec3b4fae444d1c1e
sha512 864e77ba61f8387b3d66f17434d2ec46b40e61627959c9121701b24c71be39ab3a579a7c16f0cc33e2554001c9c444d7b3244224f0b679e648b2a51effebe485
ripemd-160 5e6975ab3c6c32f04d3df9f694c71e7f54b1263d

21686892 as geometric shapes

Circle

Radius = n
Diameter 43373784
Circumference 136262761.17279
Area 1.4775578925881E+15

Sphere

Radius = n
Volume 4.272485125374E+22
Surface area 5.9102315703522E+15
Circumference 136262761.17279

Square

Length = n
Perimeter 86747568
Area 470321284619664
Diagonal 30669896.792121

Cube

Length = n
Surface area 2821927707717984
Volume 1.0199806904848E+22
Space diagonal 37562798.802259

Equilateral Triangle

Length = n
Perimeter 65060676
Area 2.0365509021058E+14
Altitude 18781399.40113

Triangular Pyramid

Length = n
Surface area 2.0365509021058E+14
Volume 1.2020587715352E+21
Height 10223298.930707