20145984 (number)
20145984 is an even 8-digits composite number following 20145983 and preceding 20145985. In scientific notation, it is written as 2.0145984 × 10^7. The sum of its digits is 33. It has a total of 9 prime factors and 56 positive divisors. There are 6673920 positive integers (up to 20145984) that are relatively prime to 20145984.
Interesting facts
- 20145984 has 56 divisors, whose sum is 53632608
- The reverse of 20145984 is 48954102
- Previous prime number is 331
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
Name | twenty million one hundred forty-five thousand nine hundred eighty-four |
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Notation
Scientific notation | 2.0145984 × 10^7 |
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Engineering notation | 2.0145984 × 10^6 |
Prime Factorization of 20145984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 331 × 317
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 629562 | Product of the distinct prime numbers |
The prime factorization of 20145984 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 331 × 317. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20145984)
Multiplication
n×yn×2 | 40291968 |
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n×3 | 60437952 |
n×4 | 80583936 |
n×5 | 100729920 |
Division
n÷yn÷2 | 10072992 |
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n÷3 | 6715328 |
n÷3 | 5036496 |
n÷5 | 4029196.8 |
Exponentiation
nyn2 | 405860671328256 |
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n3 | 8.1764625908083E+21 |
n4 | 1.6472288453102E+29 |
n5 | 3.3185045961958E+36 |
Nth Root
y√n2√n | 4488.4277870987 |
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3√n | 272.1005971617 |
4√n | 66.995729618377 |
5√n | 28.895997891223 |
Divisors of 20145984
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20145983 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20145984 can be divided by 56 positive divisors. The sum of these divisors (counting 20145984) is 1, the average is 0.017857142857143.
Base conversion 20145984
Base | System | Value |
---|---|---|
2 | Binary | 1001100110110011101000000 |
3 | Ternary | 1101220112002120 |
4 | Quaternary | 1030312131000 |
5 | Quinary | 20124132414 |
6 | Senary | 1555444240 |
8 | Octal | 114663500 |
10 | Decimal | 20145984 |
12 | Duodecimal | 68b6680 |
16 | Hexadecimal | 1336740 |
20 | Vigesimal | 65i4j4 |
36 | Base36 | bzsqo |
Cryptographic Hash Functions
md5 | 10f9b0d09cfe5a6f085cccfec1e75f2c |
---|---|
sha1 | cb9eaa9775f9ec6dd4c0bcb21d7f069f0d696e3e |
sha256 | 5538a34b31e01cefe5d5f78da4d2afb7f55d90b26a6db290b187dcbc5538f4d0 |
sha512 | b2beb1ce0858aa79eb56b6990d8919d595dd8699165189af18064b80ea5906cb84a961a346268ccbd136174f9fdacd7e75415351928dbc5bd5e7e4e7f5891589 |
ripemd-160 | 14bd117a6de15f1b5da06f8dddf1151aff9a4ed9 |
20145984 as geometric shapes
Circle
Radius = nDiameter | 40291968 |
---|---|
Circumference | 126580950.66748 |
Area | 1.2750489034259E+15 |
Sphere
Radius = nVolume | 3.424948641018E+22 |
---|---|
Surface area | 5.1001956137035E+15 |
Circumference | 126580950.66748 |
Square
Length = nPerimeter | 80583936 |
---|---|
Area | 405860671328256 |
Diagonal | 28490723.800151 |
Cube
Length = nSurface area | 2435164027969536 |
---|---|
Volume | 8.1764625908083E+21 |
Space diagonal | 34893867.85647 |
Equilateral Triangle
Length = nPerimeter | 60437952 |
---|---|
Area | 1.7574282588364E+14 |
Altitude | 17446933.928235 |
Triangular Pyramid
Length = nSurface area | 1.7574282588364E+14 |
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Volume | 9.6360535734645E+20 |
Height | 9496907.9333838 |