21139944 (number)
21139944 is an even 8-digits composite number following 21139943 and preceding 21139945. In scientific notation, it is written as 2.1139944 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 64 positive divisors. There are 5776320 positive integers (up to 21139944) that are relatively prime to 21139944.
Interesting facts
- 21139944 has 64 divisors, whose sum is 63037440
- The reverse of 21139944 is 44993112
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
Name | twenty-one million one hundred thirty-nine thousand nine hundred forty-four |
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Notation
Scientific notation | 2.1139944 × 10^7 |
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Engineering notation | 2.1139944 × 10^6 |
Prime Factorization of 21139944
Prime Factorization 2 × 2 × 2 × 3 × 7 × 23 × 5471
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5284986 | Product of the distinct prime numbers |
The prime factorization of 21139944 is 2 × 2 × 2 × 3 × 7 × 23 × 5471. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21139944)
Multiplication
n×yn×2 | 42279888 |
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n×3 | 63419832 |
n×4 | 84559776 |
n×5 | 105699720 |
Division
n÷yn÷2 | 10569972 |
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n÷3 | 7046648 |
n÷3 | 5284986 |
n÷5 | 4227988.8 |
Exponentiation
nyn2 | 446897232323136 |
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n3 | 9.4473824650661E+21 |
n4 | 1.9971713625808E+29 |
n5 | 4.2220090763362E+36 |
Nth Root
y√n2√n | 4597.8194831898 |
---|---|
3√n | 276.50391033757 |
4√n | 67.807222942617 |
5√n | 29.175665189024 |
Divisors of 21139944
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21139943 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21139944 can be divided by 64 positive divisors. The sum of these divisors (counting 21139944) is 1, the average is 0.015625.
Base conversion 21139944
Base | System | Value |
---|---|---|
2 | Binary | 1010000101001000111101000 |
3 | Ternary | 1110210000112220 |
4 | Quaternary | 1100221013220 |
5 | Quinary | 20402434234 |
6 | Senary | 2033034040 |
8 | Octal | 120510750 |
10 | Decimal | 21139944 |
12 | Duodecimal | 70b5920 |
16 | Hexadecimal | 14291e8 |
20 | Vigesimal | 6c29h4 |
36 | Base36 | cl3oo |
Cryptographic Hash Functions
md5 | 9656ceb840f55736977abf1727a9c55f |
---|---|
sha1 | 94db93464680fd8eafc43b0d4dd8a6c2edac90dc |
sha256 | 4820a42d162941f853c22ea153cfeafec70f8518cd2bb62069f8542f704a8fc8 |
sha512 | c82f408fda6b746243056fbf1eb5e864f8da04f3e2abea64a3eede0f5d94cb3bb51202403095015f562d80abc49bfadfd32cf162ff1d706e7ba29593d2db736d |
ripemd-160 | 7939b87d1a2ea4fa9a36fe8335aeb0f4b7c2730a |
21139944 as geometric shapes
Circle
Radius = nDiameter | 42279888 |
---|---|
Circumference | 132826185.5354 |
Area | 1.403969061976E+15 |
Sphere
Radius = nVolume | 3.957310313054E+22 |
---|---|
Surface area | 5.6158762479039E+15 |
Circumference | 132826185.5354 |
Square
Length = nPerimeter | 84559776 |
---|---|
Area | 446897232323136 |
Diagonal | 29896395.512608 |
Cube
Length = nSurface area | 2681383393938816 |
---|---|
Volume | 9.4473824650661E+21 |
Space diagonal | 36615457.077161 |
Equilateral Triangle
Length = nPerimeter | 63419832 |
---|---|
Area | 1.935121780364E+14 |
Altitude | 18307728.53858 |
Triangular Pyramid
Length = nSurface area | 1.935121780364E+14 |
---|---|
Volume | 1.1133847009185E+21 |
Height | 9965465.1708692 |