21090912 (number)
21090912 is an even 8-digits composite number following 21090911 and preceding 21090913. In scientific notation, it is written as 2.1090912 × 10^7. The sum of its digits is 24. It has a total of 9 prime factors and 96 positive divisors. There are 6428160 positive integers (up to 21090912) that are relatively prime to 21090912.
Interesting facts
- 21090912 has 96 divisors, whose sum is 60318720
- The reverse of 21090912 is 21909012
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty-one million ninety thousand nine hundred twelve |
---|
Notation
Scientific notation | 2.1090912 × 10^7 |
---|---|
Engineering notation | 2.1090912 × 10^6 |
Prime Factorization of 21090912
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 19 × 31 × 373
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 1318182 | Product of the distinct prime numbers |
The prime factorization of 21090912 is 2 × 2 × 2 × 2 × 2 × 3 × 19 × 31 × 373. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21090912)
Multiplication
n×yn×2 | 42181824 |
---|---|
n×3 | 63272736 |
n×4 | 84363648 |
n×5 | 105454560 |
Division
n÷yn÷2 | 10545456 |
---|---|
n÷3 | 7030304 |
n÷3 | 5272728 |
n÷5 | 4218182.4 |
Exponentiation
nyn2 | 444826568991744 |
---|---|
n3 | 9.3817980218668E+21 |
n4 | 1.9787067648097E+29 |
n5 | 4.1732730250405E+36 |
Nth Root
y√n2√n | 4592.4842950194 |
---|---|
3√n | 276.28997039765 |
4√n | 67.767870669067 |
5√n | 29.162118603803 |
Divisors of 21090912
96 divisors
τ | Total Divisors | 96 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21090911 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.010416666666667 | 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 | 96 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21090912 can be divided by 96 positive divisors. The sum of these divisors (counting 21090912) is 1, the average is 0.010416666666667.
Base conversion 21090912
Base | System | Value |
---|---|---|
2 | Binary | 1010000011101001001100000 |
3 | Ternary | 1110200112021220 |
4 | Quaternary | 1100131021200 |
5 | Quinary | 20344402122 |
6 | Senary | 2032015040 |
8 | Octal | 120351140 |
10 | Decimal | 21090912 |
12 | Duodecimal | 7091480 |
16 | Hexadecimal | 141d260 |
20 | Vigesimal | 6bg75c |
36 | Base36 | ck1uo |
Cryptographic Hash Functions
md5 | 5aa70b336a23e63a8dbcaea09445187a |
---|---|
sha1 | df37b6249a2f718d4839fcc2109546ebd2311ad0 |
sha256 | 8e673fab5db1ed54bbedc5b4b95c9b009c9ed4ed30847cff10348ae0200a414b |
sha512 | 23cca976717e4f73e1c67d5dbd5d5a3437a9db59717541e68a4133cd31274412695189749c1c7e6539bdc86b52284ca3763b8098eaec386cbbb917f914a85aea |
ripemd-160 | e0ac3bbaa94fd342b491871dfe20dd3e16ae36c5 |
21090912 as geometric shapes
Circle
Radius = nDiameter | 42181824 |
---|---|
Circumference | 132518108.39342 |
Area | 1.397463881266E+15 |
Sphere
Radius = nVolume | 3.929838365728E+22 |
---|---|
Surface area | 5.5898555250641E+15 |
Circumference | 132518108.39342 |
Square
Length = nPerimeter | 84363648 |
---|---|
Area | 444826568991744 |
Diagonal | 29827053.793217 |
Cube
Length = nSurface area | 2668959413950464 |
---|---|
Volume | 9.3817980218668E+21 |
Space diagonal | 36530531.161964 |
Equilateral Triangle
Length = nPerimeter | 63272736 |
---|---|
Area | 1.9261555451256E+14 |
Altitude | 18265265.580982 |
Triangular Pyramid
Length = nSurface area | 1.9261555451256E+14 |
---|---|
Volume | 1.1056555001641E+21 |
Height | 9942351.2644058 |