389939781 (number)
389939781 is an odd 9-digits composite number following 389939780 and preceding 389939782. In scientific notation, it is written as 3.89939781 × 10^8. The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors. There are 192326400 positive integers (up to 389939781) that are relatively prime to 389939781.
Interesting facts
- 389939781 has 32 divisors, whose sum is 585000576
- The reverse of 389939781 is 187939983
- Previous prime number is 37
Basic properties
- Is Prime? no
- Number parity odd
- Number length 9
- Sum of Digits 57
- Digital Root 3
Name
Name | three hundred eighty-nine million nine hundred thirty-nine thousand seven hundred eighty-one |
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Notation
Scientific notation | 3.89939781 × 10^8 |
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Engineering notation | 3.89939781 × 10^6 |
Prime Factorization of 389939781
Prime Factorization 3 × 11 × 301 × 37 × 1061
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 5 | Total number of prime factors |
rad | Radical | 389939781 | Product of the distinct prime numbers |
The prime factorization of 389939781 is 3 × 11 × 301 × 37 × 1061. Since it has a total of 5 prime factors.
Most popular turbo-numbers
Basic calculations (n = 389939781)
Multiplication
n×yn×2 | 779879562 |
---|---|
n×3 | 1169819343 |
n×4 | 1559759124 |
n×5 | 1949698905 |
Division
n÷yn÷2 | 194969890.5 |
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n÷3 | 129979927 |
n÷3 | 97484945.25 |
n÷5 | 77987956.2 |
Exponentiation
nyn2 | 152053032806327961 |
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n3 | 5.9291526312885E+25 |
n4 | 2.3120124785602E+34 |
n5 | 9.0154563955904E+42 |
Nth Root
y√n2√n | 19746.892945474 |
---|---|
3√n | 730.57675131169 |
4√n | 140.52363838683 |
5√n | 52.263622548469 |
Divisors of 389939781
32 divisors
τ | Total Divisors | 32 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -389939780 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.03125 | 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 | 32 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 389939781 can be divided by 32 positive divisors. The sum of these divisors (counting 389939781) is 1, the average is 0.03125.
Base conversion 389939781
Base | System | Value |
---|---|---|
2 | Binary | 10111001111100000001001000101 |
3 | Ternary | 1000011201222211010 |
4 | Quaternary | 113033200021011 |
5 | Quinary | 1244311033111 |
6 | Senary | 102405432433 |
8 | Octal | 2717401105 |
10 | Decimal | 389939781 |
12 | Duodecimal | aa70b719 |
16 | Hexadecimal | 173e0245 |
20 | Vigesimal | 61h2991 |
36 | Base36 | 6g5rgl |
Cryptographic Hash Functions
md5 | 4c0d23ef88502e2e3557885a507ce25c |
---|---|
sha1 | 7312cfa24cb585d7b22e838baf00733f49c61b0f |
sha256 | 271c9423f00d332ef75332b7017487d330d32902110155b07d44954c195c5860 |
sha512 | 7d6a7da07f8fb79ccfaffcc3bf43bbc61ae00f971f00ff1e70fb870b9b2c203957c3b62ebfe8c26b6be6c480c5b2e979395b9c46642c9fe9dbde28f38bc6fcea |
ripemd-160 | cd015a1bd94f904ac879cc0d015de422bc5e74d4 |
389939781 as geometric shapes
Circle
Radius = nDiameter | 779879562 |
---|---|
Circumference | 2450063902.664 |
Area | 4.7768869082041E+17 |
Sphere
Radius = nVolume | 2.4835976464625E+26 |
---|---|
Surface area | 1.9107547632816E+18 |
Circumference | 2450063902.664 |
Square
Length = nPerimeter | 1559759124 |
---|---|
Area | 152053032806327961 |
Diagonal | 551458126.79899 |
Cube
Length = nSurface area | 912318196837967766 |
---|---|
Volume | 5.9291526312885E+25 |
Space diagonal | 675395512.58428 |
Equilateral Triangle
Length = nPerimeter | 1169819343 |
---|---|
Area | 6.5840894566374E+16 |
Altitude | 337697756.29214 |
Triangular Pyramid
Length = nSurface area | 6.5840894566374E+16 |
---|---|
Volume | 6.9875733871236E+24 |
Height | 183819375.59966 |