129609990 (number)
129609990 is an even 9-digits composite number following 129609989 and preceding 129609991. In scientific notation, it is written as 1.29609990 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors. There are 33368832 positive integers (up to 129609990) that are relatively prime to 129609990.
Interesting facts
- 129609990 has 32 divisors, whose sum is 290026080
- The reverse of 129609990 is 099906921
- Previous prime number is 145
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 45
- Digital Root 9
Name
Name | one hundred twenty-nine million six hundred nine thousand nine hundred ninety |
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Notation
Scientific notation | 1.29609990 × 10^8 |
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Engineering notation | 1.29609990 × 10^6 |
Prime Factorization of 129609990
Prime Factorization 2 × 3 × 3 × 3 × 145 × 16553
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 14401110 | Product of the distinct prime numbers |
The prime factorization of 129609990 is 2 × 3 × 3 × 3 × 145 × 16553. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 129609990)
Multiplication
n×yn×2 | 259219980 |
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n×3 | 388829970 |
n×4 | 518439960 |
n×5 | 648049950 |
Division
n÷yn÷2 | 64804995 |
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n÷3 | 43203330 |
n÷3 | 32402497.5 |
n÷5 | 25921998 |
Exponentiation
nyn2 | 16798749507800100 |
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n3 | 2.1772857557185E+24 |
n4 | 2.8219798502581E+32 |
n5 | 3.6575678017216E+40 |
Nth Root
y√n2√n | 11384.638334176 |
---|---|
3√n | 506.07260176722 |
4√n | 106.69882067847 |
5√n | 41.930273521449 |
Divisors of 129609990
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 | -129609989 | 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 129609990 can be divided by 32 positive divisors. The sum of these divisors (counting 129609990) is 1, the average is 0.03125.
Base conversion 129609990
Base | System | Value |
---|---|---|
2 | Binary | 111101110011011000100000110 |
3 | Ternary | 100000212212111000 |
4 | Quaternary | 13232123010012 |
5 | Quinary | 231140004430 |
6 | Senary | 20505554130 |
8 | Octal | 756330406 |
10 | Decimal | 129609990 |
12 | Duodecimal | 374a5946 |
16 | Hexadecimal | 7b9b106 |
20 | Vigesimal | 20a14ja |
36 | Base36 | 255zpi |
Cryptographic Hash Functions
md5 | 12d2eab4e80105f66906375b071169f2 |
---|---|
sha1 | bbcde8a563bc09f94b2a12144c5d31aae433df54 |
sha256 | e0f6c27908098156fa58e85b69582af15810ba5a7915f1a64e960f7660848b82 |
sha512 | 56d1e512fe364f80e4256462891e7e41951c3f6465b0c79fb5fe61d3c2c9ebff24656ba09bed963ec3c2506cc564f299e81d33332aa6ab07c47b7203921edc91 |
ripemd-160 | 28499f38c266486bb0256cf86b1b045ce95beef1 |
129609990 as geometric shapes
Circle
Radius = nDiameter | 259219980 |
---|---|
Circumference | 814363584.83169 |
Area | 5.27748280432E+16 |
Sphere
Radius = nVolume | 9.1201932465745E+24 |
---|---|
Surface area | 2.110993121728E+17 |
Circumference | 814363584.83169 |
Square
Length = nPerimeter | 518439960 |
---|---|
Area | 16798749507800100 |
Diagonal | 183296205.67704 |
Cube
Length = nSurface area | 100792497046800600 |
---|---|
Volume | 2.1772857557185E+24 |
Space diagonal | 224491087.84849 |
Equilateral Triangle
Length = nPerimeter | 388829970 |
---|---|
Area | 7.2740719127831E+15 |
Altitude | 112245543.92425 |
Triangular Pyramid
Length = nSurface area | 7.2740719127831E+15 |
---|---|
Volume | 2.565955870749E+23 |
Height | 61098735.22568 |