21231685 (number)

21231685 is an odd 8-digits composite number following 21231684 and preceding 21231686. In scientific notation, it is written as 2.1231685 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16752384 positive integers (up to 21231685) that are relatively prime to 21231685.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand six hundred eighty-five

Notation

Scientific notation 2.1231685 × 10^7
Engineering notation 2.1231685 × 10^6

Prime Factorization of 21231685

Prime Factorization 5 × 73 × 58169

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21231685
Product of the distinct prime numbers

The prime factorization of 21231685 is 5 × 73 × 58169. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231685)

Multiplication

n×y
n×2 42463370
n×3 63695055
n×4 84926740
n×5 106158425

Division

n÷y
n÷2 10615842.5
n÷3 7077228.3333333
n÷3 5307921.25
n÷5 4246337

Exponentiation

ny
n2 450784447939225
n3 9.5709134015445E+21
n4 2.0320661850387E+29
n5 4.3144189139894E+36

Nth Root

y√n
2√n 4607.7852597533
3√n 276.90331440363
4√n 67.880669264182
5√n 29.200944068643

Divisors of 21231685

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21231684
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21231685 can be divided by 8 positive divisors. The sum of these divisors (counting 21231685) is 1, the average is 0.125.

Base conversion 21231685

Base System Value
2 Binary 1010000111111100001000101
3 Ternary 1110221200101201
4 Quaternary 1100333201011
5 Quinary 20413403220
6 Senary 2035022501
8 Octal 120774105
10 Decimal 21231685
12 Duodecimal 713aa31
16 Hexadecimal 143f845
20 Vigesimal 6cdj45
36 Base36 cn2h1

Cryptographic Hash Functions

md5 7289a1daf7e8193cf3cf2db331b6dca5
sha1 27629988ce3bcd4086817345bdb01d2beb5ab60b
sha256 9316a41359033c8655fe919bf21369fd148ce425e45620ebe53b688ea007aa0f
sha512 5ecbff675e82e939a39ddf9128bc9ff19062fdf4b50b7f4c1671ec576602a6ee2f0889e18841f3ad1051505990823b9e8434f97bb9dd3509a9b6bcfa59c0f1c8
ripemd-160 49a2c5fef78566774f3dd498144c1aa5660050b0

21231685 as geometric shapes

Circle

Radius = n
Diameter 42463370
Circumference 133402611.23867
Area 1.4161811099984E+15

Sphere

Radius = n
Volume 4.0090548307249E+22
Surface area 5.6647244399936E+15
Circumference 133402611.23867

Square

Length = n
Perimeter 84926740
Area 450784447939225
Diagonal 30026136.879033

Cube

Length = n
Surface area 2704706687635350
Volume 9.5709134015445E+21
Space diagonal 36774357.150298

Equilateral Triangle

Length = n
Perimeter 63695055
Area 1.9519539177316E+14
Altitude 18387178.575149

Triangular Pyramid

Length = n
Surface area 1.9519539177316E+14
Volume 1.1279429613969E+21
Height 10008712.293011