21493080 (number)
21493080 is an even 8-digits composite number following 21493079 and preceding 21493081. In scientific notation, it is written as 2.1493080 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 64 positive divisors. There are 4910976 positive integers (up to 21493080) that are relatively prime to 21493080.
Interesting facts
- 21493080 has 64 divisors, whose sum is 56311200
- The reverse of 21493080 is 08039412
- Previous prime number is 21
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million four hundred ninety-three thousand eighty |
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Notation
Scientific notation | 2.1493080 × 10^7 |
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Engineering notation | 2.1493080 × 10^6 |
Prime Factorization of 21493080
Prime Factorization 2 × 2 × 2 × 5 × 9 × 21 × 2843
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5373270 | Product of the distinct prime numbers |
The prime factorization of 21493080 is 2 × 2 × 2 × 5 × 9 × 21 × 2843. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21493080)
Multiplication
n×yn×2 | 42986160 |
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n×3 | 64479240 |
n×4 | 85972320 |
n×5 | 107465400 |
Division
n÷yn÷2 | 10746540 |
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n÷3 | 7164360 |
n÷3 | 5373270 |
n÷5 | 4298616 |
Exponentiation
nyn2 | 461952487886400 |
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n3 | 9.9287817783414E+21 |
n4 | 2.1340010106443E+29 |
n5 | 4.586625444186E+36 |
Nth Root
y√n2√n | 4636.0629849043 |
---|---|
3√n | 278.03505242674 |
4√n | 68.08864064515 |
5√n | 29.272494362825 |
Divisors of 21493080
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 | -21493079 | 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 21493080 can be divided by 64 positive divisors. The sum of these divisors (counting 21493080) is 1, the average is 0.015625.
Base conversion 21493080
Base | System | Value |
---|---|---|
2 | Binary | 1010001111111010101011000 |
3 | Ternary | 1111102221222000 |
4 | Quaternary | 1101333111120 |
5 | Quinary | 21000234310 |
6 | Senary | 2044401000 |
8 | Octal | 121772530 |
10 | Decimal | 21493080 |
12 | Duodecimal | 7246160 |
16 | Hexadecimal | 147f558 |
20 | Vigesimal | 6e6ce0 |
36 | Base36 | cso60 |
Cryptographic Hash Functions
md5 | 7eabf493ea69cdad80e3f014560e70b2 |
---|---|
sha1 | a986a735955422910ec086ce6a23b6575fa65e99 |
sha256 | c96dad47e655625946ead886bf413f2d0e3baf4ab7ca10ea395f2e849be9d5a5 |
sha512 | e324ab59dfe13f63d870698b48c03d41c4d7e80fad3c4dbb72ae8817c06c1c859aa83d83a77ed92ec2ef6c1a4d99283181ba8a2b3de24fad1034d764c9f58609 |
ripemd-160 | 365bb3c9cf16e164eaa2e8be7e300e689f731389 |
21493080 as geometric shapes
Circle
Radius = nDiameter | 42986160 |
---|---|
Circumference | 135045004.46204 |
Area | 1.4512665422514E+15 |
Sphere
Radius = nVolume | 4.1589583858578E+22 |
---|---|
Surface area | 5.8050661690058E+15 |
Circumference | 135045004.46204 |
Square
Length = nPerimeter | 85972320 |
---|---|
Area | 461952487886400 |
Diagonal | 30395805.23317 |
Cube
Length = nSurface area | 2771714927318400 |
---|---|
Volume | 9.9287817783414E+21 |
Space diagonal | 37227106.571142 |
Equilateral Triangle
Length = nPerimeter | 64479240 |
---|---|
Area | 2.0003129492552E+14 |
Altitude | 18613553.285571 |
Triangular Pyramid
Length = nSurface area | 2.0003129492552E+14 |
---|---|
Volume | 1.1701181540644E+21 |
Height | 10131935.077723 |