21253040 (number)
21253040 is an even 8-digits composite number following 21253039 and preceding 21253041. In scientific notation, it is written as 2.1253040 × 10^7. The sum of its digits is 17. It has a total of 7 prime factors and 40 positive divisors. There are 8422400 positive integers (up to 21253040) that are relatively prime to 21253040.
Interesting facts
- 21253040 has 40 divisors, whose sum is 49871808
- The reverse of 21253040 is 04035212
- Previous prime number is 113
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 17
- Digital Root 8
Name
Name | twenty-one million two hundred fifty-three thousand forty |
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Notation
Scientific notation | 2.1253040 × 10^7 |
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Engineering notation | 2.1253040 × 10^6 |
Prime Factorization of 21253040
Prime Factorization 2 × 2 × 2 × 2 × 5 × 113 × 2351
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2656630 | Product of the distinct prime numbers |
The prime factorization of 21253040 is 2 × 2 × 2 × 2 × 5 × 113 × 2351. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21253040)
Multiplication
n×yn×2 | 42506080 |
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n×3 | 63759120 |
n×4 | 85012160 |
n×5 | 106265200 |
Division
n÷yn÷2 | 10626520 |
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n÷3 | 7084346.6666667 |
n÷3 | 5313260 |
n÷5 | 4250608 |
Exponentiation
nyn2 | 451691709241600 |
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n3 | 9.5998219641801E+21 |
n4 | 2.040254001976E+29 |
n5 | 4.3361599914156E+36 |
Nth Root
y√n2√n | 4610.1019511503 |
---|---|
3√n | 276.99612049114 |
4√n | 67.897731561152 |
5√n | 29.206815815786 |
Divisors of 21253040
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21253039 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21253040 can be divided by 40 positive divisors. The sum of these divisors (counting 21253040) is 1, the average is 0.025.
Base conversion 21253040
Base | System | Value |
---|---|---|
2 | Binary | 1010001000100101110110000 |
3 | Ternary | 1110222202200122 |
4 | Quaternary | 1101010232300 |
5 | Quinary | 20420044130 |
6 | Senary | 2035305412 |
8 | Octal | 121045660 |
10 | Decimal | 21253040 |
12 | Duodecimal | 714b268 |
16 | Hexadecimal | 1444bb0 |
20 | Vigesimal | 6cgcc0 |
36 | Base36 | cniy8 |
Cryptographic Hash Functions
md5 | 9b104db71a78c2e5b98a481896af5d6f |
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sha1 | 0c335c1dc219880fff052732b630d2c7c2357ace |
sha256 | a0b54994dc20ad61090f52d576f428c7d85f0d17b0e24ba3ec8964aa38d1e2f9 |
sha512 | 9d74dcb2e1d848402f5af612d16b7400392eead38cbc31af8ebe746950f63d3fb968a72b277db3796deb5e363b33f2d2d8501acf54eb7abfaa8e414e04256a6b |
ripemd-160 | 9456357af39f564933c5db7af2d98aeba2a4461b |
21253040 as geometric shapes
Circle
Radius = nDiameter | 42506080 |
---|---|
Circumference | 133536788.6609 |
Area | 1.4190313554408E+15 |
Sphere
Radius = nVolume | 4.0211640211251E+22 |
---|---|
Surface area | 5.6761254217633E+15 |
Circumference | 133536788.6609 |
Square
Length = nPerimeter | 85012160 |
---|---|
Area | 451691709241600 |
Diagonal | 30056337.409658 |
Cube
Length = nSurface area | 2710150255449600 |
---|---|
Volume | 9.5998219641801E+21 |
Space diagonal | 36811345.095294 |
Equilateral Triangle
Length = nPerimeter | 63759120 |
---|---|
Area | 1.9558824744102E+14 |
Altitude | 18405672.547647 |
Triangular Pyramid
Length = nSurface area | 1.9558824744102E+14 |
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Volume | 1.1313498681759E+21 |
Height | 10018779.136553 |