61812900 (number)
61812900 is an even 8-digits composite number following 61812899 and preceding 61812901. In scientific notation, it is written as 6.1812900 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 72 positive divisors. There are 16346880 positive integers (up to 61812900) that are relatively prime to 61812900.
Interesting facts
- 61812900 has 72 divisors, whose sum is 179641280
- The reverse of 61812900 is 00921816
- Previous prime number is 5
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | sixty-one million eight hundred twelve thousand nine hundred |
---|
Notation
Scientific notation | 6.1812900 × 10^7 |
---|---|
Engineering notation | 6.1812900 × 10^6 |
Prime Factorization of 61812900
Prime Factorization 2 × 2 × 3 × 519 × 5 × 5 × 397
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 6181290 | Product of the distinct prime numbers |
The prime factorization of 61812900 is 2 × 2 × 3 × 519 × 5 × 5 × 397. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 61812900)
Multiplication
n×yn×2 | 123625800 |
---|---|
n×3 | 185438700 |
n×4 | 247251600 |
n×5 | 309064500 |
Division
n÷yn÷2 | 30906450 |
---|---|
n÷3 | 20604300 |
n÷3 | 15453225 |
n÷5 | 12362580 |
Exponentiation
nyn2 | 3820834606410000 |
---|---|
n3 | 2.3617686744256E+23 |
n4 | 1.459877708954E+31 |
n5 | 9.0239274835804E+38 |
Nth Root
y√n2√n | 7862.1180352371 |
---|---|
3√n | 395.39062996133 |
4√n | 88.668585390978 |
5√n | 36.158951092365 |
Divisors of 61812900
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 | -61812899 | 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 61812900 can be divided by 72 positive divisors. The sum of these divisors (counting 61812900) is 1, the average is 0.013888888888889.
Base conversion 61812900
Base | System | Value |
---|---|---|
2 | Binary | 11101011110011000010100100 |
3 | Ternary | 11022022102100200 |
4 | Quaternary | 3223303002210 |
5 | Quinary | 111311003100 |
6 | Senary | 10044510500 |
8 | Octal | 353630244 |
10 | Decimal | 61812900 |
12 | Duodecimal | 1884b430 |
16 | Hexadecimal | 3af30a4 |
20 | Vigesimal | j66c50 |
36 | Base36 | 10sv50 |
Cryptographic Hash Functions
md5 | 0820253dba0426a5f87395bc7374f184 |
---|---|
sha1 | e395e9fee1ebcf2b47dc84afbf76ecba188fda57 |
sha256 | 48f022ca510785bc0f84a11ce15f272e1e0b74267a4ff87b98b8d04920e4745f |
sha512 | 8a8c89bbf07c3ca7ed8a5304f7268a59a6a276d5658d5d3373bd31986d2a12e503505b2626cd1d3df9c584c1bff985155a0ac575d231b6c6cd1035ea44e7ec46 |
ripemd-160 | 88660196bd9927f9e535195ed2898b3b9f0556fd |
61812900 as geometric shapes
Circle
Radius = nDiameter | 123625800 |
---|---|
Circumference | 388381905.07416 |
Area | 1.2003505930079E+16 |
Sphere
Radius = nVolume | 9.8929534894053E+23 |
---|---|
Surface area | 4.8014023720317E+16 |
Circumference | 388381905.07416 |
Square
Length = nPerimeter | 247251600 |
---|---|
Area | 3820834606410000 |
Diagonal | 87416641.509612 |
Cube
Length = nSurface area | 22925007638460000 |
---|---|
Volume | 2.3617686744256E+23 |
Space diagonal | 107063083.36317 |
Equilateral Triangle
Length = nPerimeter | 185438700 |
---|---|
Area | 1.6544699164049E+15 |
Altitude | 53531541.681587 |
Triangular Pyramid
Length = nSurface area | 1.6544699164049E+15 |
---|---|
Volume | 2.7833710754672E+22 |
Height | 29138880.503204 |