20687028 (number)
20687028 is an even 8-digits composite number following 20687027 and preceding 20687029. In scientific notation, it is written as 2.0687028 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 6206464 positive integers (up to 20687028) that are relatively prime to 20687028.
Interesting facts
- 20687028 has 48 divisors, whose sum is 53343360
- The reverse of 20687028 is 82078602
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
Name | twenty million six hundred eighty-seven thousand twenty-eight |
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Notation
Scientific notation | 2.0687028 × 10^7 |
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Engineering notation | 2.0687028 × 10^6 |
Prime Factorization of 20687028
Prime Factorization 2 × 2 × 3 × 17 × 23 × 4409
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10343514 | Product of the distinct prime numbers |
The prime factorization of 20687028 is 2 × 2 × 3 × 17 × 23 × 4409. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20687028)
Multiplication
n×yn×2 | 41374056 |
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n×3 | 62061084 |
n×4 | 82748112 |
n×5 | 103435140 |
Division
n÷yn÷2 | 10343514 |
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n÷3 | 6895676 |
n÷3 | 5171757 |
n÷5 | 4137405.6 |
Exponentiation
nyn2 | 427953127472784 |
---|---|
n3 | 8.8530783307171E+21 |
n4 | 1.8314387931374E+29 |
n5 | 3.7887025593919E+36 |
Nth Root
y√n2√n | 4548.2994624365 |
---|---|
3√n | 274.51497093209 |
4√n | 67.441081415088 |
5√n | 29.049564129178 |
Divisors of 20687028
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 | -20687027 | 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 20687028 can be divided by 48 positive divisors. The sum of these divisors (counting 20687028) is 1, the average is 0.020833333333333.
Base conversion 20687028
Base | System | Value |
---|---|---|
2 | Binary | 1001110111010100010110100 |
3 | Ternary | 1102221000021020 |
4 | Quaternary | 1032322202310 |
5 | Quinary | 20243441103 |
6 | Senary | 2015221140 |
8 | Octal | 116724264 |
10 | Decimal | 20687028 |
12 | Duodecimal | 6b177b0 |
16 | Hexadecimal | 13ba8b4 |
20 | Vigesimal | 695hb8 |
36 | Base36 | cbe7o |
Cryptographic Hash Functions
md5 | 7f66c47999b564ceca2723a9e0b26797 |
---|---|
sha1 | 38cda12c964c29057d313a2b5cd97f0d7c8442cd |
sha256 | 4107abe6753f909eeafcbdd38dea10504d33db8b3f34ba153eabb65d2dffeb37 |
sha512 | 6593fdb39ea559bf711e5f3a5c4a3add56a81abc1924362975b0d2fe1b7466d0b2eb07177f26e38b2fcf5ec0f460ed9efa0656e15ba5fa1b6c79ce93fdc65105 |
ripemd-160 | 08116405788ffefcb15001cd56417e975c23e15b |
20687028 as geometric shapes
Circle
Radius = nDiameter | 41374056 |
---|---|
Circumference | 129980430.37881 |
Area | 1.3444544013493E+15 |
Sphere
Radius = nVolume | 3.7083687793914E+22 |
---|---|
Surface area | 5.3778176053971E+15 |
Circumference | 129980430.37881 |
Square
Length = nPerimeter | 82748112 |
---|---|
Area | 427953127472784 |
Diagonal | 29255875.562792 |
Cube
Length = nSurface area | 2567718764836704 |
---|---|
Volume | 8.8530783307171E+21 |
Space diagonal | 35830983.5536 |
Equilateral Triangle
Length = nPerimeter | 62061084 |
---|---|
Area | 1.8530914001022E+14 |
Altitude | 17915491.7768 |
Triangular Pyramid
Length = nSurface area | 1.8530914001022E+14 |
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Volume | 1.0433452870043E+21 |
Height | 9751958.5209307 |