686990018 (number)
686990018 is an even 9-digits composite number following 686990017 and preceding 686990019. In scientific notation, it is written as 6.86990018 × 10^8. The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors. There are 285436800 positive integers (up to 686990018) that are relatively prime to 686990018.
Interesting facts
- 686990018 has 32 divisors, whose sum is 1222445952
- The reverse of 686990018 is 810099686
- Previous prime number is 103
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 47
- Digital Root 2
Name
Name | six hundred eighty-six million nine hundred ninety thousand eighteen |
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Notation
Scientific notation | 6.86990018 × 10^8 |
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Engineering notation | 6.86990018 × 10^6 |
Prime Factorization of 686990018
Prime Factorization 2 × 13 × 11 × 103 × 23321
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 5 | Total number of prime factors |
rad | Radical | 686990018 | Product of the distinct prime numbers |
The prime factorization of 686990018 is 2 × 13 × 11 × 103 × 23321. Since it has a total of 5 prime factors.
Most popular turbo-numbers
Basic calculations (n = 686990018)
Multiplication
n×yn×2 | 1373980036 |
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n×3 | 2060970054 |
n×4 | 2747960072 |
n×5 | 3434950090 |
Division
n÷yn÷2 | 343495009 |
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n÷3 | 228996672.66667 |
n÷3 | 171747504.5 |
n÷5 | 137398003.6 |
Exponentiation
nyn2 | 471955284831640324 |
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n3 | 3.2422856962168E+26 |
n4 | 2.2274179088051E+35 |
n5 | 1.5302138692636E+44 |
Nth Root
y√n2√n | 26210.494424944 |
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3√n | 882.36879783565 |
4√n | 161.89655470375 |
5√n | 58.53155813295 |
Divisors of 686990018
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 | -686990017 | 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 686990018 can be divided by 32 positive divisors. The sum of these divisors (counting 686990018) is 1, the average is 0.03125.
Base conversion 686990018
Base | System | Value |
---|---|---|
2 | Binary | 101000111100101010001011000010 |
3 | Ternary | 1202212200201010202 |
4 | Quaternary | 220330222023002 |
5 | Quinary | 2401332140033 |
6 | Senary | 152100325202 |
8 | Octal | 5074521302 |
10 | Decimal | 686990018 |
12 | Duodecimal | 1720a3802 |
16 | Hexadecimal | 28f2a2c2 |
20 | Vigesimal | aeddf0i |
36 | Base36 | bd0kw2 |
Cryptographic Hash Functions
md5 | c3981a0e923677ab3d156ccd3542539d |
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sha1 | 3496b01d4c9e0cecc97e3f3cb4eafc4d52e7786a |
sha256 | ae1c132db1e0ee59636ef91c3df661d913b796a8668349238d117a92b80ec8f0 |
sha512 | 00441b0b73e5bc35ae83cc5d0f50e6372844b51bf2475e631144db23a7797a3a7d20ead1dbd08fdff85e9e9a465dca3e7806a93da93206d87ec30c7c4f873f90 |
ripemd-160 | 8427b816c0c3b3bc7622f8643a623975578a0af6 |
686990018 as geometric shapes
Circle
Radius = nDiameter | 1373980036 |
---|---|
Circumference | 4316485587.2766 |
Area | 1.48269125565E+18 |
Sphere
Radius = nVolume | 1.3581254565432E+27 |
---|---|
Surface area | 5.9307650225998E+18 |
Circumference | 4316485587.2766 |
Square
Length = nPerimeter | 2747960072 |
---|---|
Area | 471955284831640324 |
Diagonal | 971550600.67054 |
Cube
Length = nSurface area | 2831731708989841944 |
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Volume | 3.2422856962168E+26 |
Space diagonal | 1189901615.4687 |
Equilateral Triangle
Length = nPerimeter | 2060970054 |
---|---|
Area | 2.0436263305726E+17 |
Altitude | 594950807.73433 |
Triangular Pyramid
Length = nSurface area | 2.0436263305726E+17 |
---|---|
Volume | 3.8210703372318E+25 |
Height | 323850200.22351 |