20187440 (number)
20187440 is an even 8-digits composite number following 20187439 and preceding 20187441. In scientific notation, it is written as 2.0187440 × 10^7. The sum of its digits is 26. It has a total of 8 prime factors and 80 positive divisors. There are 6147072 positive integers (up to 20187440) that are relatively prime to 20187440.
Interesting facts
- 20187440 has 80 divisors, whose sum is 49282560
- The reverse of 20187440 is 04478102
- Previous prime number is 47
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 26
- Digital Root 8
Name
Name | twenty million one hundred eighty-seven thousand four hundred forty |
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Notation
Scientific notation | 2.0187440 × 10^7 |
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Engineering notation | 2.0187440 × 10^6 |
Prime Factorization of 20187440
Prime Factorization 2 × 2 × 2 × 2 × 91 × 5 × 47 × 59
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2523430 | Product of the distinct prime numbers |
The prime factorization of 20187440 is 2 × 2 × 2 × 2 × 91 × 5 × 47 × 59. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20187440)
Multiplication
n×yn×2 | 40374880 |
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n×3 | 60562320 |
n×4 | 80749760 |
n×5 | 100937200 |
Division
n÷yn÷2 | 10093720 |
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n÷3 | 6729146.6666667 |
n÷3 | 5046860 |
n÷5 | 4037488 |
Exponentiation
nyn2 | 407532733753600 |
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n3 | 8.2270426106868E+21 |
n4 | 1.6608292908068E+29 |
n5 | 3.3527891658405E+36 |
Nth Root
y√n2√n | 4493.0435119193 |
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3√n | 272.2871103281 |
4√n | 67.03016866993 |
5√n | 28.907880435041 |
Divisors of 20187440
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20187439 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20187440 can be divided by 80 positive divisors. The sum of these divisors (counting 20187440) is 1, the average is 0.0125.
Base conversion 20187440
Base | System | Value |
---|---|---|
2 | Binary | 1001101000000100100110000 |
3 | Ternary | 1101222121221222 |
4 | Quaternary | 1031000210300 |
5 | Quinary | 20131444230 |
6 | Senary | 2000404212 |
8 | Octal | 115004460 |
10 | Decimal | 20187440 |
12 | Duodecimal | 6916668 |
16 | Hexadecimal | 1340930 |
20 | Vigesimal | 6638c0 |
36 | Base36 | c0oq8 |
Cryptographic Hash Functions
md5 | c9776c0ba646a1dc848e7e35cd7b4b4a |
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sha1 | 57459d5e1faddb9d8e7c2768d6637186e7943798 |
sha256 | f615d7a3e2c532b62e944f08d7c8f23bb2f860a4539c3cf7f923d5d10c2f52b4 |
sha512 | bb11bb8c4b6950c1d33410b8e2227f83b0c2e316c8240d441fac39ad2fbab548f25b8413326ca5283e848996d759c1634676dcf950549b4c10e50f082790b817 |
ripemd-160 | f3942b9062b7c87544a94fddbd5c2c2a176907a0 |
20187440 as geometric shapes
Circle
Radius = nDiameter | 40374880 |
---|---|
Circumference | 126841426.39757 |
Area | 1.2803018424577E+15 |
Sphere
Radius = nVolume | 3.4461355502005E+22 |
---|---|
Surface area | 5.1212073698307E+15 |
Circumference | 126841426.39757 |
Square
Length = nPerimeter | 80749760 |
---|---|
Area | 407532733753600 |
Diagonal | 28549351.437593 |
Cube
Length = nSurface area | 2445196402521600 |
---|---|
Volume | 8.2270426106868E+21 |
Space diagonal | 34965671.754748 |
Equilateral Triangle
Length = nPerimeter | 60562320 |
---|---|
Area | 1.7646685015217E+14 |
Altitude | 17482835.877374 |
Triangular Pyramid
Length = nSurface area | 1.7646685015217E+14 |
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Volume | 9.6956626985455E+20 |
Height | 9516450.4791977 |