21490164 (number)
21490164 is an even 8-digits composite number following 21490163 and preceding 21490165. In scientific notation, it is written as 2.1490164 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 7119360 positive integers (up to 21490164) that are relatively prime to 21490164.
Interesting facts
- 21490164 has 48 divisors, whose sum is 56058240
- The reverse of 21490164 is 46109412
- Previous prime number is 1031
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 thousand one hundred sixty-four |
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Notation
Scientific notation | 2.1490164 × 10^7 |
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Engineering notation | 2.1490164 × 10^6 |
Prime Factorization of 21490164
Prime Factorization 2 × 2 × 9 × 3 × 1031 × 193
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10745082 | Product of the distinct prime numbers |
The prime factorization of 21490164 is 2 × 2 × 9 × 3 × 1031 × 193. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21490164)
Multiplication
n×yn×2 | 42980328 |
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n×3 | 64470492 |
n×4 | 85960656 |
n×5 | 107450820 |
Division
n÷yn÷2 | 10745082 |
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n÷3 | 7163388 |
n÷3 | 5372541 |
n÷5 | 4298032.8 |
Exponentiation
nyn2 | 461827148746896 |
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n3 | 9.9247411662232E+21 |
n4 | 2.1328431531969E+29 |
n5 | 4.5835149148478E+36 |
Nth Root
y√n2√n | 4635.7484832549 |
---|---|
3√n | 278.0224780403 |
4√n | 68.086331104377 |
5√n | 29.271700030637 |
Divisors of 21490164
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 | -21490163 | 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 21490164 can be divided by 48 positive divisors. The sum of these divisors (counting 21490164) is 1, the average is 0.020833333333333.
Base conversion 21490164
Base | System | Value |
---|---|---|
2 | Binary | 1010001111110100111110100 |
3 | Ternary | 1111102210222000 |
4 | Quaternary | 1101332213310 |
5 | Quinary | 21000141124 |
6 | Senary | 2044335300 |
8 | Octal | 121764764 |
10 | Decimal | 21490164 |
12 | Duodecimal | 7244530 |
16 | Hexadecimal | 147e9f4 |
20 | Vigesimal | 6e6584 |
36 | Base36 | cslx0 |
Cryptographic Hash Functions
md5 | 72768d16918003c2c91974c8a58cd4ce |
---|---|
sha1 | 4b74cb69d0a49a363d897e047ddb1e85f6f38818 |
sha256 | 6aea984041b866c1d755f2eb8c7d2e48eb95e37d2cdef884240b18837de8b1a5 |
sha512 | efb80f99e8ea06565b3b1ac05160a17c5ff2101a3979b297a8ac8a3af4b69c4e551a8a5f7906e42016fde3ee58d0d4ec36721bd0f3ddc0063318ae362e96c9a6 |
ripemd-160 | bf4285cde611a348a851a4d3741b8fafc89af306 |
21490164 as geometric shapes
Circle
Radius = nDiameter | 42980328 |
---|---|
Circumference | 135026682.69368 |
Area | 1.4508727777316E+15 |
Sphere
Radius = nVolume | 4.1572658582116E+22 |
---|---|
Surface area | 5.8034911109263E+15 |
Circumference | 135026682.69368 |
Square
Length = nPerimeter | 85960656 |
---|---|
Area | 461827148746896 |
Diagonal | 30391681.386422 |
Cube
Length = nSurface area | 2770962892481376 |
---|---|
Volume | 9.9247411662232E+21 |
Space diagonal | 37222055.910988 |
Equilateral Triangle
Length = nPerimeter | 64470492 |
---|---|
Area | 1.9997702148607E+14 |
Altitude | 18611027.955494 |
Triangular Pyramid
Length = nSurface area | 1.9997702148607E+14 |
---|---|
Volume | 1.1696419633596E+21 |
Height | 10130560.462141 |