28389620 (number)
28389620 is an even 8-digits composite number following 28389619 and preceding 28389621. In scientific notation, it is written as 2.8389620 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 72 positive divisors. There are 9549120 positive integers (up to 28389620) that are relatively prime to 28389620.
Interesting facts
- 28389620 has 72 divisors, whose sum is 70670880
- The reverse of 28389620 is 02698382
- Previous prime number is 59
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 38
- Digital Root 2
Name
Name | twenty-eight million three hundred eighty-nine thousand six hundred twenty |
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Notation
Scientific notation | 2.8389620 × 10^7 |
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Engineering notation | 2.8389620 × 10^6 |
Prime Factorization of 28389620
Prime Factorization 2 × 2 × 7 × 5 × 7 × 59 × 491
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2027830 | Product of the distinct prime numbers |
The prime factorization of 28389620 is 2 × 2 × 7 × 5 × 7 × 59 × 491. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28389620)
Multiplication
n×yn×2 | 56779240 |
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n×3 | 85168860 |
n×4 | 113558480 |
n×5 | 141948100 |
Division
n÷yn÷2 | 14194810 |
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n÷3 | 9463206.6666667 |
n÷3 | 7097405 |
n÷5 | 5677924 |
Exponentiation
nyn2 | 805970523744400 |
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n3 | 2.2881196900304E+22 |
n4 | 6.4958848514482E+29 |
n5 | 1.8441570249637E+37 |
Nth Root
y√n2√n | 5328.1910626403 |
---|---|
3√n | 305.06088545314 |
4√n | 72.99445912287 |
5√n | 30.947952092092 |
Divisors of 28389620
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -28389619 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 28389620 can be divided by 72 positive divisors. The sum of these divisors (counting 28389620) is 1, the average is 0.013888888888889.
Base conversion 28389620
Base | System | Value |
---|---|---|
2 | Binary | 1101100010011000011110100 |
3 | Ternary | 1222102100020102 |
4 | Quaternary | 1230103003310 |
5 | Quinary | 24231431440 |
6 | Senary | 2452253232 |
8 | Octal | 154230364 |
10 | Decimal | 28389620 |
12 | Duodecimal | 9611218 |
16 | Hexadecimal | 1b130f4 |
20 | Vigesimal | 8h8e10 |
36 | Base36 | gwhkk |
Cryptographic Hash Functions
md5 | 0977b40f70ecdffa2bcc0c8042340967 |
---|---|
sha1 | 0ded96cd3e26bd9fc0bd0303421d94d1d9948bc5 |
sha256 | 844d627b05fd5d4342766725691387c309315a7e2fa114ac97183939eb79875c |
sha512 | a9a45e401f95a8455959f000d1041a663607e4b4d5952d75c5602c0a9a64ca11632148e9f91933d53e12fe6af5acce0d5daa70709efca07c5d1f476bc4740ad8 |
ripemd-160 | 266cee3106e4029b62ec5e5c3d8ef41b08ddf15c |
28389620 as geometric shapes
Circle
Radius = nDiameter | 56779240 |
---|---|
Circumference | 178377243.26041 |
Area | 2.5320310764053E+15 |
Sphere
Radius = nVolume | 9.5844533449784E+22 |
---|---|
Surface area | 1.0128124305621E+16 |
Circumference | 178377243.26041 |
Square
Length = nPerimeter | 113558480 |
---|---|
Area | 805970523744400 |
Diagonal | 40148985.634618 |
Cube
Length = nSurface area | 4835823142466400 |
---|---|
Volume | 2.2881196900304E+22 |
Space diagonal | 49172264.247574 |
Equilateral Triangle
Length = nPerimeter | 85168860 |
---|---|
Area | 3.4899547413205E+14 |
Altitude | 24586132.123787 |
Triangular Pyramid
Length = nSurface area | 3.4899547413205E+14 |
---|---|
Volume | 2.6965749149783E+21 |
Height | 13382995.211539 |