21685512 (number)

21685512 is an even 8-digits composite number following 21685511 and preceding 21685513. In scientific notation, it is written as 2.1685512 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 7228496 positive integers (up to 21685512) that are relatively prime to 21685512.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-five thousand five hundred twelve

Notation

Scientific notation 2.1685512 × 10^7
Engineering notation 2.1685512 × 10^6

Prime Factorization of 21685512

Prime Factorization 2 × 2 × 2 × 3 × 903563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5421378
Product of the distinct prime numbers

The prime factorization of 21685512 is 2 × 2 × 2 × 3 × 903563. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 11, 54, 834, 338, 2902, 8975, 21080, 85824, 342537, 977315, 9600909, 1879167, 52722436, 56495897, 875611152, 212939947, 7621796738, 4657648217

Basic calculations (n = 21685512)

Multiplication

n×y
n×2 43371024
n×3 65056536
n×4 86742048
n×5 108427560

Division

n÷y
n÷2 10842756
n÷3 7228504
n÷3 5421378
n÷5 4337102.4

Exponentiation

ny
n2 470261430702144
n3 1.0197859898629E+22
n4 2.2114581320603E+29
n5 4.7956601860291E+36

Nth Root

y√n
2√n 4656.7705547944
3√n 278.86235679182
4√n 68.240534543586
5√n 29.324724188329

Divisors of 21685512

1, 2, 3, 4, 6, 8, 12, 24, 903563, 1807126, 2710689, 3614252, 5421378, 7228504, 10842756, 21685512

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 -21685511
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 21685512 can be divided by 16 positive divisors. The sum of these divisors (counting 21685512) is 1, the average is 0.0625.

Base conversion 21685512

Base System Value
2 Binary 1010010101110010100001000
3 Ternary 1111210201221010
4 Quaternary 1102232110020
5 Quinary 21022414022
6 Senary 2052443520
8 Octal 122562410
10 Decimal 21685512
12 Duodecimal 73195a0
16 Hexadecimal 14ae508
20 Vigesimal 6fadfc
36 Base36 cwsnc

Cryptographic Hash Functions

md5 f3effb032665e9c737ea6df0185998ad
sha1 ac702aff9a37cb19ac69bbb52972f76407e4e521
sha256 c9ef977350867df534733e10def148f03b6a9dc637957cfe65bae31375ec212f
sha512 4ca4ced36afdc5ac2cde3e1258388f4a7b50803ae523224eb866c7fe8df25fcbceaa7866952a0af72f937ca01ad5a75e247e9bc3325692aa510364bfca677c09
ripemd-160 d00ebafa18195af6b5e8239e06def6781f5397cc

21685512 as geometric shapes

Circle

Radius = n
Diameter 43371024
Circumference 136254090.37707
Area 1.4773698559605E+15

Sphere

Radius = n
Volume 4.2716695653159E+22
Surface area 5.9094794238419E+15
Circumference 136254090.37707

Square

Length = n
Perimeter 86742048
Area 470261430702144
Diagonal 30667945.177405

Cube

Length = n
Surface area 2821568584212864
Volume 1.0197859898629E+22
Space diagonal 37560408.572145

Equilateral Triangle

Length = n
Perimeter 65056536
Area 2.0362917270404E+14
Altitude 18780204.286072

Triangular Pyramid

Length = n
Surface area 2.0362917270404E+14
Volume 1.2018293146518E+21
Height 10222648.392468