81554967 (number)
81554967 is an odd 8-digits composite number following 81554966 and preceding 81554968. In scientific notation, it is written as 8.1554967 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 46725120 positive integers (up to 81554967) that are relatively prime to 81554967.
Interesting facts
- 81554967 has 48 divisors, whose sum is 135783648
- The reverse of 81554967 is 76945518
- Previous prime number is 313
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
Name | eighty-one million five hundred fifty-four thousand nine hundred sixty-seven |
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Notation
Scientific notation | 8.1554967 × 10^7 |
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Engineering notation | 8.1554967 × 10^6 |
Prime Factorization of 81554967
Prime Factorization 3 × 3 × 17 × 13 × 313 × 131
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 27184989 | Product of the distinct prime numbers |
The prime factorization of 81554967 is 3 × 3 × 17 × 13 × 313 × 131. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81554967)
Multiplication
n×yn×2 | 163109934 |
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n×3 | 244664901 |
n×4 | 326219868 |
n×5 | 407774835 |
Division
n÷yn÷2 | 40777483.5 |
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n÷3 | 27184989 |
n÷3 | 20388741.75 |
n÷5 | 16310993.4 |
Exponentiation
nyn2 | 6651212642371089 |
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n3 | 5.4243942755856E+23 |
n4 | 4.4238629614037E+31 |
n5 | 3.607879978298E+39 |
Nth Root
y√n2√n | 9030.7788700643 |
---|---|
3√n | 433.66077217381 |
4√n | 95.030410238325 |
5√n | 38.219947245235 |
Divisors of 81554967
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 | -81554966 | 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 81554967 can be divided by 48 positive divisors. The sum of these divisors (counting 81554967) is 1, the average is 0.020833333333333.
Base conversion 81554967
Base | System | Value |
---|---|---|
2 | Binary | 100110111000110111000010111 |
3 | Ternary | 12200110102101100 |
4 | Quaternary | 10313012320113 |
5 | Quinary | 131334224332 |
6 | Senary | 12032001143 |
8 | Octal | 467067027 |
10 | Decimal | 81554967 |
12 | Duodecimal | 233901b3 |
16 | Hexadecimal | 4dc6e17 |
20 | Vigesimal | 159e787 |
36 | Base36 | 1ck07r |
Cryptographic Hash Functions
md5 | cd2abe9d740667e66c1b5a6cd6604e04 |
---|---|
sha1 | 312745a6e0fc694b2dba2e06089930f27390a686 |
sha256 | 545435f302ba648cf3b666e78b1cbf3305e532fe2c52d06c44b7a0885937601d |
sha512 | a6efc9e07921ef680d329bc4f6af84d9c2368020e8f3fe3f7dbf122c40e79f36780fbf5281eee1cc099f7bc73be2000433a6fc684db3d801c56e5ba9f22f208f |
ripemd-160 | d30c2e2fde01777d70b6bceb5a61c6cd93546797 |
81554967 as geometric shapes
Circle
Radius = nDiameter | 163109934 |
---|---|
Circumference | 512424970.38192 |
Area | 2.0895400774737E+16 |
Sphere
Radius = nVolume | 2.2721649608472E+24 |
---|---|
Surface area | 8.3581603098946E+16 |
Circumference | 512424970.38192 |
Square
Length = nPerimeter | 326219868 |
---|---|
Area | 6651212642371089 |
Diagonal | 115336140.41029 |
Cube
Length = nSurface area | 39907275854226534 |
---|---|
Volume | 5.4243942755856E+23 |
Space diagonal | 141257346.4536 |
Equilateral Triangle
Length = nPerimeter | 244664901 |
---|---|
Area | 2.8800595571328E+15 |
Altitude | 70628673.226802 |
Triangular Pyramid
Length = nSurface area | 2.8800595571328E+15 |
---|---|
Volume | 6.3927099601601E+22 |
Height | 38445380.136763 |