21921288 (number)

21921288 is an even 8-digits composite number following 21921287 and preceding 21921289. In scientific notation, it is written as 2.1921288 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 6922368 positive integers (up to 21921288) that are relatively prime to 21921288.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred twenty-one thousand two hundred eighty-eight

Notation

Scientific notation 2.1921288 × 10^7
Engineering notation 2.1921288 × 10^6

Prime Factorization of 21921288

Prime Factorization 2 × 2 × 2 × 3 × 19 × 48073

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5480322
Product of the distinct prime numbers

The prime factorization of 21921288 is 2 × 2 × 2 × 3 × 19 × 48073. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21921288)

Multiplication

n×y
n×2 43842576
n×3 65763864
n×4 87685152
n×5 109606440

Division

n÷y
n÷2 10960644
n÷3 7307096
n÷3 5480322
n÷5 4384257.6

Exponentiation

ny
n2 480542867578944
n3 1.0534118596544E+22
n4 2.3092144758099E+29
n5 5.0620955577999E+36

Nth Root

y√n
2√n 4682.0175138502
3√n 279.86936082607
4√n 68.425269556285
5√n 29.388215348129

Divisors of 21921288

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21921287
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21921288 can be divided by 32 positive divisors. The sum of these divisors (counting 21921288) is 1, the average is 0.03125.

Base conversion 21921288

Base System Value
2 Binary 1010011100111111000001000
3 Ternary 1112020201100120
4 Quaternary 1103213320020
5 Quinary 21102440123
6 Senary 2101503240
8 Octal 123477010
10 Decimal 21921288
12 Duodecimal 7411b20
16 Hexadecimal 14e7e08
20 Vigesimal 6h0348
36 Base36 d1uko

Cryptographic Hash Functions

md5 cee5e43e9c774788e1945eadf7dadd9e
sha1 67461618c4009642056a084a4c8428cabc3fe198
sha256 0cece4a24c0d4c5148aa908b9352e474a1ca47c868a1406f4f6b4c5ee23ab516
sha512 2894cde876b129b8f8672477af846497f297d7d0a15ce3a062b77fd42a99b1ee2175a5de06dd7820ea7159aa5e3b70166d8ae4b45d7aecb57a0709a21f9d3a0e
ripemd-160 582b8a47101077ed6621794cc0d228d5b2233705

21921288 as geometric shapes

Circle

Radius = n
Diameter 43842576
Circumference 137735514.67605
Area 1.509669942521E+15

Sphere

Radius = n
Volume 4.4125212793261E+22
Surface area 6.0386797700839E+15
Circumference 137735514.67605

Square

Length = n
Perimeter 87685152
Area 480542867578944
Diagonal 31001382.794287

Cube

Length = n
Surface area 2883257205473664
Volume 1.0534118596544E+22
Space diagonal 37968784.58335

Equilateral Triangle

Length = n
Perimeter 65763864
Area 2.0808116546539E+14
Altitude 18984392.291675

Triangular Pyramid

Length = n
Surface area 2.0808116546539E+14
Volume 1.2414577822399E+21
Height 10333794.264762