72665984 (number)
72665984 is an even 8-digits composite number following 72665983 and preceding 72665985. In scientific notation, it is written as 7.2665984 × 10^7. The sum of its digits is 47. It has a total of 9 prime factors and 32 positive divisors. There are 35159040 positive integers (up to 72665984) that are relatively prime to 72665984.
Interesting facts
- 72665984 has 32 divisors, whose sum is 149442240
- The reverse of 72665984 is 48956627
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 47
- Digital Root 2
Name
Name | seventy-two million six hundred sixty-five thousand nine hundred eighty-four |
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Notation
Scientific notation | 7.2665984 × 10^7 |
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Engineering notation | 7.2665984 × 10^6 |
Prime Factorization of 72665984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 31 × 18313
Composite numberω | Distinct Factors | 3 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 1135406 | Product of the distinct prime numbers |
The prime factorization of 72665984 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 31 × 18313. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 72665984)
Multiplication
n×yn×2 | 145331968 |
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n×3 | 217997952 |
n×4 | 290663936 |
n×5 | 363329920 |
Division
n÷yn÷2 | 36332992 |
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n÷3 | 24221994.666667 |
n÷3 | 18166496 |
n÷5 | 14533196.8 |
Exponentiation
nyn2 | 5280345230688256 |
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n3 | 3.8370148204767E+23 |
n4 | 2.7882045755252E+31 |
n5 | 2.0260762907384E+39 |
Nth Root
y√n2√n | 8524.4345267003 |
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3√n | 417.29551749224 |
4√n | 92.327864302714 |
5√n | 37.347903824821 |
Divisors of 72665984
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 | -72665983 | 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 72665984 can be divided by 32 positive divisors. The sum of these divisors (counting 72665984) is 1, the average is 0.03125.
Base conversion 72665984
Base | System | Value |
---|---|---|
2 | Binary | 100010101001100101110000000 |
3 | Ternary | 12001201210222202 |
4 | Quaternary | 10111030232000 |
5 | Quinary | 122100302414 |
6 | Senary | 11113252332 |
8 | Octal | 425145600 |
10 | Decimal | 72665984 |
12 | Duodecimal | 204040a8 |
16 | Hexadecimal | 454cb80 |
20 | Vigesimal | 12e34j4 |
36 | Base36 | 179hfk |
Cryptographic Hash Functions
md5 | 7cddea3c647e9c9dd527e7003178e88a |
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sha1 | cc160d4fe0e90132d93e5d1855bf7ba4dffc8000 |
sha256 | 5ebcd987893f61ac1c1cc87a74e679b1328a195bedf89ab867ed8d66d85d8766 |
sha512 | e4a274061e1116726f2a1dd23b175efd32216ae36cebb07874baa6c30be97fe3064de7431e6c2bbfe121adbf7620572dc8e9855c3b2694654fcb0d32a16e4d9f |
ripemd-160 | 7a0ba91dca0335f521868766f89bdb921cb3e8b0 |
72665984 as geometric shapes
Circle
Radius = nDiameter | 145331968 |
---|---|
Circumference | 456573843.00055 |
Area | 1.6588693785148E+16 |
Sphere
Radius = nVolume | 1.6072450095633E+24 |
---|---|
Surface area | 6.6354775140593E+16 |
Circumference | 456573843.00055 |
Square
Length = nPerimeter | 290663936 |
---|---|
Area | 5280345230688256 |
Diagonal | 102765220.09599 |
Cube
Length = nSurface area | 31682071384129536 |
---|---|
Volume | 3.8370148204767E+23 |
Space diagonal | 125861176.26999 |
Equilateral Triangle
Length = nPerimeter | 217997952 |
---|---|
Area | 2.286456555264E+15 |
Altitude | 62930588.134994 |
Triangular Pyramid
Length = nSurface area | 2.286456555264E+15 |
---|---|
Volume | 4.5219653317873E+22 |
Height | 34255073.365329 |