81002016 (number)
81002016 is an even 8-digits composite number following 81002015 and preceding 81002017. In scientific notation, it is written as 8.1002016 × 10^7. The sum of its digits is 18. It has a total of 8 prime factors and 48 positive divisors. There are 25159680 positive integers (up to 81002016) that are relatively prime to 81002016.
Interesting facts
- 81002016 has 48 divisors, whose sum is 178627680
- The reverse of 81002016 is 61020018
- Previous prime number is 2147
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | eighty-one million two thousand sixteen |
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Notation
Scientific notation | 8.1002016 × 10^7 |
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Engineering notation | 8.1002016 × 10^6 |
Prime Factorization of 81002016
Prime Factorization 2 × 2 × 2 × 2 × 2 × 9 × 2147 × 131
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 5062626 | Product of the distinct prime numbers |
The prime factorization of 81002016 is 2 × 2 × 2 × 2 × 2 × 9 × 2147 × 131. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81002016)
Multiplication
n×yn×2 | 162004032 |
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n×3 | 243006048 |
n×4 | 324008064 |
n×5 | 405010080 |
Division
n÷yn÷2 | 40501008 |
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n÷3 | 27000672 |
n÷3 | 20250504 |
n÷5 | 16200403.2 |
Exponentiation
nyn2 | 6561326596064256 |
---|---|
n3 | 5.3148068191562E+23 |
n4 | 4.305100670022E+31 |
n5 | 3.4872183335473E+39 |
Nth Root
y√n2√n | 9000.1119993031 |
---|---|
3√n | 432.67846066137 |
4√n | 94.868920091372 |
5√n | 38.167979085063 |
Divisors of 81002016
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -81002015 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 81002016 can be divided by 48 positive divisors. The sum of these divisors (counting 81002016) is 1, the average is 0.020833333333333.
Base conversion 81002016
Base | System | Value |
---|---|---|
2 | Binary | 100110100111111111000100000 |
3 | Ternary | 12122102022212200 |
4 | Quaternary | 10310333320200 |
5 | Quinary | 131214031031 |
6 | Senary | 12012053200 |
8 | Octal | 464777040 |
10 | Decimal | 81002016 |
12 | Duodecimal | 23164200 |
16 | Hexadecimal | 4d3fe20 |
20 | Vigesimal | 156550g |
36 | Base36 | 1c85k0 |
Cryptographic Hash Functions
md5 | 0783ba2c9f1df2e287eb78b57cbd8e13 |
---|---|
sha1 | e04c61e39b9ffabf561daff3af1719cd2240fcaf |
sha256 | 2643f26e4a3820030760cddb1993874c72c1b4673fc26babf6afc892d2a0a897 |
sha512 | dfe17fb09e3d3ee582e67c5b6a4706d26e3c40553322da037d868dc4cc04318d305b97277bfea94e50dfdee6ab2886da7eeb0bb422149070f43c0d68816855b1 |
ripemd-160 | 5589cf5f74a0387ee5f17083a74e573ce1b1a8ed |
81002016 as geometric shapes
Circle
Radius = nDiameter | 162004032 |
---|---|
Circumference | 508950676.78313 |
Area | 2.0613015431999E+16 |
Sphere
Radius = nVolume | 2.2262610744414E+24 |
---|---|
Surface area | 8.2452061727995E+16 |
Circumference | 508950676.78313 |
Square
Length = nPerimeter | 324008064 |
---|---|
Area | 6561326596064256 |
Diagonal | 114554149.60676 |
Cube
Length = nSurface area | 39367959576385536 |
---|---|
Volume | 5.3148068191562E+23 |
Space diagonal | 140299607.22751 |
Equilateral Triangle
Length = nPerimeter | 243006048 |
---|---|
Area | 2.8411377573591E+15 |
Altitude | 70149803.613754 |
Triangular Pyramid
Length = nSurface area | 2.8411377573591E+15 |
---|---|
Volume | 6.2635599042031E+22 |
Height | 38184716.535587 |