21373911 (number)
21373911 is an odd 8-digits composite number following 21373910 and preceding 21373912. In scientific notation, it is written as 2.1373911 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 12398400 positive integers (up to 21373911) that are relatively prime to 21373911.
Interesting facts
- 21373911 has 48 divisors, whose sum is 35223552
- The reverse of 21373911 is 11937312
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million three hundred seventy-three thousand nine hundred eleven |
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Notation
Scientific notation | 2.1373911 × 10^7 |
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Engineering notation | 2.1373911 × 10^6 |
Prime Factorization of 21373911
Prime Factorization 3 × 3 × 71 × 13 × 31 × 83
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 7124637 | Product of the distinct prime numbers |
The prime factorization of 21373911 is 3 × 3 × 71 × 13 × 31 × 83. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21373911)
Multiplication
n×yn×2 | 42747822 |
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n×3 | 64121733 |
n×4 | 85495644 |
n×5 | 106869555 |
Division
n÷yn÷2 | 10686955.5 |
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n÷3 | 7124637 |
n÷3 | 5343477.75 |
n÷5 | 4274782.2 |
Exponentiation
nyn2 | 456844071435921 |
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n3 | 9.764544523749E+21 |
n4 | 2.0870650560615E+29 |
n5 | 4.4608742759468E+36 |
Nth Root
y√n2√n | 4623.1927279749 |
---|---|
3√n | 277.52024201016 |
4√n | 67.99406391719 |
5√n | 29.239961693946 |
Divisors of 21373911
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21373910 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21373911 can be divided by 48 positive divisors. The sum of these divisors (counting 21373911) is 1, the average is 0.020833333333333.
Base conversion 21373911
Base | System | Value |
---|---|---|
2 | Binary | 1010001100010001111010111 |
3 | Ternary | 1111012220111100 |
4 | Quaternary | 1101202033113 |
5 | Quinary | 20432431121 |
6 | Senary | 2042041143 |
8 | Octal | 121421727 |
10 | Decimal | 21373911 |
12 | Duodecimal | 71a91b3 |
16 | Hexadecimal | 14623d7 |
20 | Vigesimal | 6dbefb |
36 | Base36 | cq47r |
Cryptographic Hash Functions
md5 | fca57034c2109f8fa3a3d3711f2857fd |
---|---|
sha1 | c2c97e109b8620a61299377b13bea9b7fe04e118 |
sha256 | 0c7308e223f3cadd0bfa4565a54454e4e0fcb59b029b8f71c038938f77f9ce2e |
sha512 | fe6f5c1d1eba0c9e7d20b49e623155ee51dccddf9b0d913d5e33ee0225f05c6dcf9373e2f9796c5d063da443ed3bac57f90abe68cf9b02e7b82b8227a064c028 |
ripemd-160 | 014efc172aefbd4d56afdfdcf9327629f999dece |
21373911 as geometric shapes
Circle
Radius = nDiameter | 42747822 |
---|---|
Circumference | 134296243.55216 |
Area | 1.4352179786591E+15 |
Sphere
Radius = nVolume | 4.090162845528E+22 |
---|---|
Surface area | 5.7408719146366E+15 |
Circumference | 134296243.55216 |
Square
Length = nPerimeter | 85495644 |
---|---|
Area | 456844071435921 |
Diagonal | 30227274.817155 |
Cube
Length = nSurface area | 2741064428615526 |
---|---|
Volume | 9.764544523749E+21 |
Space diagonal | 37020699.808455 |
Equilateral Triangle
Length = nPerimeter | 64121733 |
---|---|
Area | 1.9781928571591E+14 |
Altitude | 18510349.904228 |
Triangular Pyramid
Length = nSurface area | 1.9781928571591E+14 |
---|---|
Volume | 1.1507626079901E+21 |
Height | 10075758.272385 |