21552840 (number)
21552840 is an even 8-digits composite number following 21552839 and preceding 21552841. In scientific notation, it is written as 2.1552840 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 128 positive divisors. There are 5170176 positive integers (up to 21552840) that are relatively prime to 21552840.
Interesting facts
- 21552840 has 128 divisors, whose sum is 69552000
- The reverse of 21552840 is 04825512
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million five hundred fifty-two thousand eight hundred forty |
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Notation
Scientific notation | 2.1552840 × 10^7 |
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Engineering notation | 2.1552840 × 10^6 |
Prime Factorization of 21552840
Prime Factorization 2 × 2 × 2 × 5 × 3 × 69 × 19 × 137
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 5388210 | Product of the distinct prime numbers |
The prime factorization of 21552840 is 2 × 2 × 2 × 5 × 3 × 69 × 19 × 137. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21552840)
Multiplication
n×yn×2 | 43105680 |
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n×3 | 64658520 |
n×4 | 86211360 |
n×5 | 107764200 |
Division
n÷yn÷2 | 10776420 |
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n÷3 | 7184280 |
n÷3 | 5388210 |
n÷5 | 4310568 |
Exponentiation
nyn2 | 464524912065600 |
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n3 | 1.0011831105764E+22 |
n4 | 2.1578339392955E+29 |
n5 | 4.6507449640206E+36 |
Nth Root
y√n2√n | 4642.5036348936 |
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3√n | 278.29249961721 |
4√n | 68.13592029828 |
5√n | 29.288754312103 |
Divisors of 21552840
128 divisors
τ | Total Divisors | 128 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21552839 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0078125 | 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 | 128 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21552840 can be divided by 128 positive divisors. The sum of these divisors (counting 21552840) is 1, the average is 0.0078125.
Base conversion 21552840
Base | System | Value |
---|---|---|
2 | Binary | 1010010001101111011001000 |
3 | Ternary | 1111112222221100 |
4 | Quaternary | 1102031323020 |
5 | Quinary | 21004142330 |
6 | Senary | 2045541400 |
8 | Octal | 122157310 |
10 | Decimal | 21552840 |
12 | Duodecimal | 7274860 |
16 | Hexadecimal | 148dec8 |
20 | Vigesimal | 6ee220 |
36 | Base36 | ctya0 |
Cryptographic Hash Functions
md5 | 83d544405da2537d3f2d5f41a9e65034 |
---|---|
sha1 | 2ca6b97f49d1cb56c3e64b7285c27057bdfdd1e3 |
sha256 | 3dc055eb22bbfc56696f842ae4ba41ee9bdaf4b1d39542faa06683d9f8f372c5 |
sha512 | bcc1e0750c16374fc0e999297f05fc027156625484c43392575beb088fc83d434f5161c2f06d307dc46e28692e36f0431be5d1f2d4bcb6f2ccdd68e9123690ff |
ripemd-160 | f0e758c437099944052e3014408fcd35ce684b66 |
21552840 as geometric shapes
Circle
Radius = nDiameter | 43105680 |
---|---|
Circumference | 135420487.61599 |
Area | 1.4593480511547E+15 |
Sphere
Radius = nVolume | 4.19374600678E+22 |
---|---|
Surface area | 5.8373922046189E+15 |
Circumference | 135420487.61599 |
Square
Length = nPerimeter | 86211360 |
---|---|
Area | 464524912065600 |
Diagonal | 30480318.635657 |
Cube
Length = nSurface area | 2787149472393600 |
---|---|
Volume | 1.0011831105764E+22 |
Space diagonal | 37330613.927403 |
Equilateral Triangle
Length = nPerimeter | 64658520 |
---|---|
Area | 2.0114518726977E+14 |
Altitude | 18665306.963701 |
Triangular Pyramid
Length = nSurface area | 2.0114518726977E+14 |
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Volume | 1.1799056111633E+21 |
Height | 10160106.211886 |