81401260 (number)
81401260 is an even 8-digits composite number following 81401259 and preceding 81401261. In scientific notation, it is written as 8.1401260 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 48 positive divisors. There are 31265024 positive integers (up to 81401260) that are relatively prime to 81401260.
Interesting facts
- 81401260 has 48 divisors, whose sum is 177811200
- The reverse of 81401260 is 06210418
- Previous prime number is 479
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 22
- Digital Root 4
Name
Name | eighty-one million four hundred one thousand two hundred sixty |
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Notation
Scientific notation | 8.1401260 × 10^7 |
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Engineering notation | 8.1401260 × 10^6 |
Prime Factorization of 81401260
Prime Factorization 2 × 2 × 5 × 29 × 479 × 293
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 40700630 | Product of the distinct prime numbers |
The prime factorization of 81401260 is 2 × 2 × 5 × 29 × 479 × 293. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81401260)
Multiplication
n×yn×2 | 162802520 |
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n×3 | 244203780 |
n×4 | 325605040 |
n×5 | 407006300 |
Division
n÷yn÷2 | 40700630 |
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n÷3 | 27133753.333333 |
n÷3 | 20350315 |
n÷5 | 16280252 |
Exponentiation
nyn2 | 6626165129587600 |
---|---|
n3 | 5.3937819051649E+23 |
n4 | 4.3906064324563E+31 |
n5 | 3.5740089576604E+39 |
Nth Root
y√n2√n | 9022.2646824398 |
---|---|
3√n | 433.38816005825 |
4√n | 94.985602500799 |
5√n | 38.205529711954 |
Divisors of 81401260
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 | -81401259 | 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 81401260 can be divided by 48 positive divisors. The sum of these divisors (counting 81401260) is 1, the average is 0.020833333333333.
Base conversion 81401260
Base | System | Value |
---|---|---|
2 | Binary | 100110110100001010110101100 |
3 | Ternary | 12200011121112111 |
4 | Quaternary | 10312201112230 |
5 | Quinary | 131314320020 |
6 | Senary | 12024413404 |
8 | Octal | 466412654 |
10 | Decimal | 81401260 |
12 | Duodecimal | 23317264 |
16 | Hexadecimal | 4da15ac |
20 | Vigesimal | 158f330 |
36 | Base36 | 1cgpm4 |
Cryptographic Hash Functions
md5 | d95d7cb67348484c951674556cfd72c5 |
---|---|
sha1 | e448bf8faa7f464e3897632e734a1e75fb9543eb |
sha256 | c5225ce2e7bc3624252626c57f20751ec9ce7bde1addadc19f9c1cadd2a5912e |
sha512 | 0f9fbe8e27069e8a6eeca4f6dafbd22f18ab97a6df3fc26b89e745d066c023574739b6dce93cbe71e021fd404b2fe3ba465cf8743b87ed01ca3548e2a181e708 |
ripemd-160 | 120ff138a81b24541f2674951cfea4e0faa729ca |
81401260 as geometric shapes
Circle
Radius = nDiameter | 162802520 |
---|---|
Circumference | 511459200.81791 |
Area | 2.0816711692585E+16 |
Sphere
Radius = nVolume | 2.2593420811109E+24 |
---|---|
Surface area | 8.3266846770341E+16 |
Circumference | 511459200.81791 |
Square
Length = nPerimeter | 325605040 |
---|---|
Area | 6626165129587600 |
Diagonal | 115118765.88626 |
Cube
Length = nSurface area | 39756990777525600 |
---|---|
Volume | 5.3937819051649E+23 |
Space diagonal | 140991118.12012 |
Equilateral Triangle
Length = nPerimeter | 244203780 |
---|---|
Area | 2.8692136659467E+15 |
Altitude | 70495559.060062 |
Triangular Pyramid
Length = nSurface area | 2.8692136659467E+15 |
---|---|
Volume | 6.356632935639E+22 |
Height | 38372921.962086 |