21843721 (number)

21843721 is an odd 8-digits composite number following 21843720 and preceding 21843722. In scientific notation, it is written as 2.1843721 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20676480 positive integers (up to 21843721) that are relatively prime to 21843721.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred forty-three thousand seven hundred twenty-one

Notation

Scientific notation 2.1843721 × 10^7
Engineering notation 2.1843721 × 10^6

Prime Factorization of 21843721

Prime Factorization 23 × 97 × 9791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21843721
Product of the distinct prime numbers

The prime factorization of 21843721 is 23 × 97 × 9791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21843721)

Multiplication

n×y
n×2 43687442
n×3 65531163
n×4 87374884
n×5 109218605

Division

n÷y
n÷2 10921860.5
n÷3 7281240.3333333
n÷3 5460930.25
n÷5 4368744.2

Exponentiation

ny
n2 477148147125841
n3 1.0422691001484E+22
n4 2.2767035430562E+29
n5 4.9731676994232E+36

Nth Root

y√n
2√n 4673.7266715117
3√n 279.53887109083
4√n 68.364659521654
5√n 29.36738820523

Divisors of 21843721

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 -21843720
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 21843721 can be divided by 8 positive divisors. The sum of these divisors (counting 21843721) is 1, the average is 0.125.

Base conversion 21843721

Base System Value
2 Binary 1010011010100111100001001
3 Ternary 1112002202221201
4 Quaternary 1103110330021
5 Quinary 21042444341
6 Senary 2100104201
8 Octal 123247411
10 Decimal 21843721
12 Duodecimal 7395061
16 Hexadecimal 14d4f09
20 Vigesimal 6ga961
36 Base36 d06q1

Cryptographic Hash Functions

md5 9ccf603f3ef8d116bf55d241b7ece606
sha1 d7df319af1b0bbe02b0cb7a28c1b8c4d9ece1ce2
sha256 65eabb8c0735aee84e0d1f6f55918c9c2a764356f9f9036f008df5a632d79f88
sha512 7acdf8ff4c61fa896e692ec52dc4cfed6401e62fa4d6d057fdd14c92f16da9bc1df50d960fc63222a04606c05e2898956d581191293508709cb4d4384239b433
ripemd-160 003bcef29e26d649114f4bdfd7ff81e59be16646

21843721 as geometric shapes

Circle

Radius = n
Diameter 43687442
Circumference 137248146.84133
Area 1.4990051136845E+15

Sphere

Radius = n
Volume 4.3658465974531E+22
Surface area 5.9960204547381E+15
Circumference 137248146.84133

Square

Length = n
Perimeter 87374884
Area 477148147125841
Diagonal 30891686.490894

Cube

Length = n
Surface area 2862888882755046
Volume 1.0422691001484E+22
Space diagonal 37834434.598359

Equilateral Triangle

Length = n
Perimeter 65531163
Area 2.0661120838983E+14
Altitude 18917217.29918

Triangular Pyramid

Length = n
Surface area 2.0661120838983E+14
Volume 1.2283259142269E+21
Height 10297228.830298