21000291 (number)

21000291 is an odd 8-digits composite number following 21000290 and preceding 21000292. In scientific notation, it is written as 2.1000291 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 12884256 positive integers (up to 21000291) that are relatively prime to 21000291.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one

Notation

Scientific notation 2.1000291 × 10^7
Engineering notation 2.1000291 × 10^6

Prime Factorization of 21000291

Prime Factorization 3 × 13 × 463 × 1163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21000291
Product of the distinct prime numbers

The prime factorization of 21000291 is 3 × 13 × 463 × 1163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 15, 64, 996, 993, 7225, 9341, 64257, 91576, 915606, 720908, 6145972, 1876727, 93913753, 10766595, 217805451, 197701672, 5531058892, 8918829226

Basic calculations (n = 21000291)

Multiplication

n×y
n×2 42000582
n×3 63000873
n×4 84001164
n×5 105001455

Division

n÷y
n÷2 10500145.5
n÷3 7000097
n÷3 5250072.75
n÷5 4200058.2

Exponentiation

ny
n2 441012222084681
n3 9.2613849983349E+21
n4 1.9449178002807E+29
n5 4.0843839776974E+36

Nth Root

y√n
2√n 4582.6074455489
3√n 275.89369199244
4√n 67.694958789772
5√n 29.137015336247

Divisors of 21000291

1, 3, 13, 39, 463, 1163, 1389, 3489, 6019, 15119, 18057, 45357, 538469, 1615407, 7000097, 21000291

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 -21000290
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 21000291 can be divided by 16 positive divisors. The sum of these divisors (counting 21000291) is 1, the average is 0.0625.

Base conversion 21000291

Base System Value
2 Binary 1010000000111000001100011
3 Ternary 1110111220222120
4 Quaternary 1100013001203
5 Quinary 20334002131
6 Senary 2030035323
8 Octal 120070143
10 Decimal 21000291
12 Duodecimal 7048b43
16 Hexadecimal 1407063
20 Vigesimal 6b50eb
36 Base36 ci3xf

Cryptographic Hash Functions

md5 e6ab3027f87ac923e08029d53696aa7c
sha1 c33a42478d18492aeb83055d0d1928273c6b3f52
sha256 154e8574b71c8511d1e3c85412971e341e266c4252c2e4843ec2c8ceb267bd1a
sha512 ac4309e081fff6c886ccbe5969383a66b8bb7269717326e6ff528e65845c4c29eba9aa3b25bc445abf9ae345f93ccae2d11b2c9cbee8e2898e9ad31bdc592c01
ripemd-160 f565a0ea3d0f0204883f6afbc8e059fd7d558d51

21000291 as geometric shapes

Circle

Radius = n
Diameter 42000582
Circumference 131948719.8577
Area 1.3854807570445E+15

Sphere

Radius = n
Volume 3.8793998763781E+22
Surface area 5.5419230281782E+15
Circumference 131948719.8577

Square

Length = n
Perimeter 84001164
Area 441012222084681
Diagonal 29698896.345982

Cube

Length = n
Surface area 2646073332508086
Volume 9.2613849983349E+21
Space diagonal 36373570.985731

Equilateral Triangle

Length = n
Perimeter 63000873
Area 1.9096389385238E+14
Altitude 18186785.492866

Triangular Pyramid

Length = n
Surface area 1.9096389385238E+14
Volume 1.0914646892503E+21
Height 9899632.1153272