68909984 (number)
68909984 is an even 8-digits composite number following 68909983 and preceding 68909985. In scientific notation, it is written as 6.8909984 × 10^7. The sum of its digits is 53. It has a total of 9 prime factors and 72 positive divisors. There are 28131840 positive integers (up to 68909984) that are relatively prime to 68909984.
Interesting facts
- 68909984 has 72 divisors, whose sum is 153171648
- The reverse of 68909984 is 48990986
- Previous prime number is 37
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 53
- Digital Root 8
Name
Name | sixty-eight million nine hundred nine thousand nine hundred eighty-four |
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Notation
Scientific notation | 6.8909984 × 10^7 |
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Engineering notation | 6.8909984 × 10^6 |
Prime Factorization of 68909984
Prime Factorization 2 × 2 × 2 × 2 × 2 × 11 × 143 × 37 × 37
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 116402 | Product of the distinct prime numbers |
The prime factorization of 68909984 is 2 × 2 × 2 × 2 × 2 × 11 × 143 × 37 × 37. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 68909984)
Multiplication
n×yn×2 | 137819968 |
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n×3 | 206729952 |
n×4 | 275639936 |
n×5 | 344549920 |
Division
n÷yn÷2 | 34454992 |
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n÷3 | 22969994.666667 |
n÷3 | 17227496 |
n÷5 | 13781996.8 |
Exponentiation
nyn2 | 4748585894880256 |
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n3 | 3.2722497803882E+23 |
n4 | 2.2549068001056E+31 |
n5 | 1.5538559151677E+39 |
Nth Root
y√n2√n | 8301.2037681291 |
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3√n | 409.97815469568 |
4√n | 91.110942087814 |
5√n | 36.953572455644 |
Divisors of 68909984
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 | -68909983 | 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 68909984 can be divided by 72 positive divisors. The sum of these divisors (counting 68909984) is 1, the average is 0.013888888888889.
Base conversion 68909984
Base | System | Value |
---|---|---|
2 | Binary | 100000110110111101110100000 |
3 | Ternary | 11210122222201122 |
4 | Quaternary | 10012313232200 |
5 | Quinary | 120120104414 |
6 | Senary | 10500551412 |
8 | Octal | 406675640 |
10 | Decimal | 68909984 |
12 | Duodecimal | 1b0b2568 |
16 | Hexadecimal | 41b7ba0 |
20 | Vigesimal | 11adej4 |
36 | Base36 | 150za8 |
Cryptographic Hash Functions
md5 | 6c89ff4dbaea4691a52bfe9ff05a8944 |
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sha1 | 34e7b24a5cebdb2760c688d573cb0aea14490c91 |
sha256 | 4bfb596a6b9ab2f3e4c20ff72376fb62b9f3f686f7bf3b839d3e08b7c0e036ab |
sha512 | aa5420e31824e791736a06b1171c8767e39936bdfd1ca5ffae93566c3566421fe314294dc28446f43393ac69c99e03cb174fbdec4e44e9f467014358fa3dcba5 |
ripemd-160 | 80bb4daa0d2474c585a0a858d9afd8d55b2294e6 |
68909984 as geometric shapes
Circle
Radius = nDiameter | 137819968 |
---|---|
Circumference | 432974198.98678 |
Area | 1.4918122562296E+16 |
Sphere
Radius = nVolume | 1.3706767827705E+24 |
---|---|
Surface area | 5.9672490249184E+16 |
Circumference | 432974198.98678 |
Square
Length = nPerimeter | 275639936 |
---|---|
Area | 4748585894880256 |
Diagonal | 97453433.955713 |
Cube
Length = nSurface area | 28491515369281536 |
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Volume | 3.2722497803882E+23 |
Space diagonal | 119355593.43676 |
Equilateral Triangle
Length = nPerimeter | 206729952 |
---|---|
Area | 2.0561980085094E+15 |
Altitude | 59677796.718379 |
Triangular Pyramid
Length = nSurface area | 2.0561980085094E+15 |
---|---|
Volume | 3.8563833490812E+22 |
Height | 32484477.985238 |