71291920 (number)
71291920 is an even 8-digits composite number following 71291919 and preceding 71291921. In scientific notation, it is written as 7.1291920 × 10^7. The sum of its digits is 31. It has a total of 8 prime factors and 80 positive divisors. There are 24030720 positive integers (up to 71291920) that are relatively prime to 71291920.
Interesting facts
- 71291920 has 80 divisors, whose sum is 192630528
- The reverse of 71291920 is 02919217
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 31
- Digital Root 4
Name
Name | seventy-one million two hundred ninety-one thousand nine hundred twenty |
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Notation
Scientific notation | 7.1291920 × 10^7 |
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Engineering notation | 7.1291920 × 10^6 |
Prime Factorization of 71291920
Prime Factorization 2 × 2 × 2 × 2 × 7 × 5 × 61 × 2087
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 8911490 | Product of the distinct prime numbers |
The prime factorization of 71291920 is 2 × 2 × 2 × 2 × 7 × 5 × 61 × 2087. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 71291920)
Multiplication
n×yn×2 | 142583840 |
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n×3 | 213875760 |
n×4 | 285167680 |
n×5 | 356459600 |
Division
n÷yn÷2 | 35645960 |
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n÷3 | 23763973.333333 |
n÷3 | 17822980 |
n÷5 | 14258384 |
Exponentiation
nyn2 | 5082537857286400 |
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n3 | 3.6234388231863E+23 |
n4 | 2.5832191070749E+31 |
n5 | 1.8416264992406E+39 |
Nth Root
y√n2√n | 8443.4542694326 |
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3√n | 414.64850481461 |
4√n | 91.888270575915 |
5√n | 37.205578547707 |
Divisors of 71291920
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -71291919 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 71291920 can be divided by 80 positive divisors. The sum of these divisors (counting 71291920) is 1, the average is 0.0125.
Base conversion 71291920
Base | System | Value |
---|---|---|
2 | Binary | 100001111111101010000010000 |
3 | Ternary | 11222011000010111 |
4 | Quaternary | 10033331100100 |
5 | Quinary | 121222320140 |
6 | Senary | 11024011104 |
8 | Octal | 417752020 |
10 | Decimal | 71291920 |
12 | Duodecimal | 1ba60a94 |
16 | Hexadecimal | 43fd410 |
20 | Vigesimal | 125b9g0 |
36 | Base36 | 16g174 |
Cryptographic Hash Functions
md5 | de22beda27686b65c639e3d2fb2869a0 |
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sha1 | 18c0df57a19a9f4d59c55ffff84112676d642a6e |
sha256 | 0989a697d327a7ca843797c02fe82654e0c894b4e70356388267081950a6b5c9 |
sha512 | 0f7fc38804d4385db76f602e84c1d6ee1ee19c5e60aa6f5692014b3bb7a9fb509e5b0653caf9af71c6eefe0afad8a8551f14f9a1e45d5800f00f6d1034068e33 |
ripemd-160 | 297224273250bf6dba2cd884a8a546981cb13486 |
71291920 as geometric shapes
Circle
Radius = nDiameter | 142583840 |
---|---|
Circumference | 447940344.26462 |
Area | 1.5967263594043E+16 |
Sphere
Radius = nVolume | 1.5177825050206E+24 |
---|---|
Surface area | 6.3869054376172E+16 |
Circumference | 447940344.26462 |
Square
Length = nPerimeter | 285167680 |
---|---|
Area | 5082537857286400 |
Diagonal | 100822000.15162 |
Cube
Length = nSurface area | 30495227143718400 |
---|---|
Volume | 3.6234388231863E+23 |
Space diagonal | 123481227.60914 |
Equilateral Triangle
Length = nPerimeter | 213875760 |
---|---|
Area | 2.2008034500531E+15 |
Altitude | 61740613.804568 |
Triangular Pyramid
Length = nSurface area | 2.2008034500531E+15 |
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Volume | 4.2702636051494E+22 |
Height | 33607333.383873 |