91387968 (number)
91387968 is an even 8-digits composite number following 91387967 and preceding 91387969. In scientific notation, it is written as 9.1387968 × 10^7. The sum of its digits is 51. It has a total of 10 prime factors and 112 positive divisors. There are 25804800 positive integers (up to 91387968) that are relatively prime to 91387968.
Interesting facts
- 91387968 has 112 divisors, whose sum is 279586944
- The reverse of 91387968 is 86978319
- Previous prime number is 97
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 51
- Digital Root 6
Name
Name | ninety-one million three hundred eighty-seven thousand nine hundred sixty-eight |
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Notation
Scientific notation | 9.1387968 × 10^7 |
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Engineering notation | 9.1387968 × 10^6 |
Prime Factorization of 91387968
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 3 × 97 × 701
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 2855874 | Product of the distinct prime numbers |
The prime factorization of 91387968 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 3 × 97 × 701. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 91387968)
Multiplication
n×yn×2 | 182775936 |
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n×3 | 274163904 |
n×4 | 365551872 |
n×5 | 456939840 |
Division
n÷yn÷2 | 45693984 |
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n÷3 | 30462656 |
n÷3 | 22846992 |
n÷5 | 18277593.6 |
Exponentiation
nyn2 | 8351760695169024 |
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n3 | 7.6325043915376E+23 |
n4 | 6.975190670937E+31 |
n5 | 6.3744850182949E+39 |
Nth Root
y√n2√n | 9559.7054347924 |
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3√n | 450.43245341167 |
4√n | 97.773746142778 |
5√n | 39.10009424413 |
Divisors of 91387968
112 divisors
τ | Total Divisors | 112 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -91387967 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0089285714285714 | 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 | 112 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 91387968 can be divided by 112 positive divisors. The sum of these divisors (counting 91387968) is 1, the average is 0.0089285714285714.
Base conversion 91387968
Base | System | Value |
---|---|---|
2 | Binary | 101011100100111100001000000 |
3 | Ternary | 20100221222201120 |
4 | Quaternary | 11130213201000 |
5 | Quinary | 141343403333 |
6 | Senary | 13022432240 |
8 | Octal | 534474100 |
10 | Decimal | 91387968 |
12 | Duodecimal | 26732680 |
16 | Hexadecimal | 5727840 |
20 | Vigesimal | 18b39i8 |
36 | Base36 | 1iereo |
Cryptographic Hash Functions
md5 | fbafe50d4e937856c72257d760ebf208 |
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sha1 | 12e106b710efb3852f12e2294cc9c356406964de |
sha256 | 834e63e0e20c338c399d7a646150e9bcbc63c220349662eb0f4688bc635e22b8 |
sha512 | bb6a2027912a8f226665859de3db9bfd67f273a053fd0863eb677e1c66020b64b351682897236fcbabbcd3039c723c98fcae8060f784bb0db462e6bf6df26008 |
ripemd-160 | cfee2afa3ab97b9d0e09240163ffd66b94d840fe |
91387968 as geometric shapes
Circle
Radius = nDiameter | 182775936 |
---|---|
Circumference | 574207537.7906 |
Area | 2.6237830044483E+16 |
Sphere
Radius = nVolume | 3.1970959633262E+24 |
---|---|
Surface area | 1.0495132017793E+17 |
Circumference | 574207537.7906 |
Square
Length = nPerimeter | 365551872 |
---|---|
Area | 8351760695169024 |
Diagonal | 129242103.78332 |
Cube
Length = nSurface area | 50110564171014144 |
---|---|
Volume | 7.6325043915376E+23 |
Space diagonal | 158288603.77648 |
Equilateral Triangle
Length = nPerimeter | 274163904 |
---|---|
Area | 3.6164184641724E+15 |
Altitude | 79144301.888239 |
Triangular Pyramid
Length = nSurface area | 3.6164184641724E+15 |
---|---|
Volume | 8.9949926878206E+22 |
Height | 43080701.261106 |