81820004 (number)
81820004 is an even 8-digits composite number following 81820003 and preceding 81820005. In scientific notation, it is written as 8.1820004 × 10^7. The sum of its digits is 23. It has a total of 7 prime factors and 72 positive divisors. There are 32768064 positive integers (up to 81820004) that are relatively prime to 81820004.
Interesting facts
- 81820004 has 72 divisors, whose sum is 177730560
- The reverse of 81820004 is 40002818
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 23
- Digital Root 5
Name
Name | eighty-one million eight hundred twenty thousand four |
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Notation
Scientific notation | 8.1820004 × 10^7 |
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Engineering notation | 8.1820004 × 10^6 |
Prime Factorization of 81820004
Prime Factorization 2 × 2 × 7 × 173 × 7 × 19 × 127
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5844286 | Product of the distinct prime numbers |
The prime factorization of 81820004 is 2 × 2 × 7 × 173 × 7 × 19 × 127. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81820004)
Multiplication
n×yn×2 | 163640008 |
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n×3 | 245460012 |
n×4 | 327280016 |
n×5 | 409100020 |
Division
n÷yn÷2 | 40910002 |
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n÷3 | 27273334.666667 |
n÷3 | 20455001 |
n÷5 | 16364000.8 |
Exponentiation
nyn2 | 6694513054560016 |
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n3 | 5.4774508490215E+23 |
n4 | 4.4816505037674E+31 |
n5 | 3.6668866214485E+39 |
Nth Root
y√n2√n | 9045.4410616619 |
---|---|
3√n | 434.13003387651 |
4√n | 95.107523685889 |
5√n | 38.244756422074 |
Divisors of 81820004
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 | -81820003 | 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 81820004 can be divided by 72 positive divisors. The sum of these divisors (counting 81820004) is 1, the average is 0.013888888888889.
Base conversion 81820004
Base | System | Value |
---|---|---|
2 | Binary | 100111000000111100101100100 |
3 | Ternary | 12200221212221112 |
4 | Quaternary | 10320013211210 |
5 | Quinary | 131421220004 |
6 | Senary | 12041404152 |
8 | Octal | 470074544 |
10 | Decimal | 81820004 |
12 | Duodecimal | 23499658 |
16 | Hexadecimal | 4e07964 |
20 | Vigesimal | 15b7a04 |
36 | Base36 | 1cpopw |
Cryptographic Hash Functions
md5 | 82140d069c63587df608187d4aefc240 |
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sha1 | a3a74d114c28d0fe866c1716d44c9317bff8b505 |
sha256 | bde276647fff9dbc8b9f1d6c05adbc4ce9540587b5f2915791c707eb70f360c7 |
sha512 | 1846b886bf15c6707368470d08bdc750246cd594bd3b1190e63b5e3964017a4a0cf7e4af648b015a0f746a238d4b1f704a2248b93c95fc611589821ce4ef9551 |
ripemd-160 | ae3246588e60f1bb551db6338cf5a2e97740c944 |
81820004 as geometric shapes
Circle
Radius = nDiameter | 163640008 |
---|---|
Circumference | 514090246.96617 |
Area | 2.1031433031567E+16 |
Sphere
Radius = nVolume | 2.294389246358E+24 |
---|---|
Surface area | 8.4125732126267E+16 |
Circumference | 514090246.96617 |
Square
Length = nPerimeter | 327280016 |
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Area | 6694513054560016 |
Diagonal | 115710959.33022 |
Cube
Length = nSurface area | 40167078327360096 |
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Volume | 5.4774508490215E+23 |
Space diagonal | 141716404.00349 |
Equilateral Triangle
Length = nPerimeter | 245460012 |
---|---|
Area | 2.8988091856078E+15 |
Altitude | 70858202.001744 |
Triangular Pyramid
Length = nSurface area | 2.8988091856078E+15 |
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Volume | 6.4552377315986E+22 |
Height | 38570319.77674 |