221557986 (number)
221557986 is an even 9-digits composite number following 221557985 and preceding 221557987. In scientific notation, it is written as 2.21557986 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 67616640 positive integers (up to 221557986) that are relatively prime to 221557986.
Interesting facts
- 221557986 has 48 divisors, whose sum is 486827640
- The reverse of 221557986 is 689755122
- Previous prime number is 421
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 45
- Digital Root 9
Name
Name | two hundred twenty-one million five hundred fifty-seven thousand nine hundred eighty-six |
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Notation
Scientific notation | 2.21557986 × 10^8 |
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Engineering notation | 2.21557986 × 10^6 |
Prime Factorization of 221557986
Prime Factorization 2 × 3 × 3 × 169 × 421 × 173
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 73852662 | Product of the distinct prime numbers |
The prime factorization of 221557986 is 2 × 3 × 3 × 169 × 421 × 173. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 221557986)
Multiplication
n×yn×2 | 443115972 |
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n×3 | 664673958 |
n×4 | 886231944 |
n×5 | 1107789930 |
Division
n÷yn÷2 | 110778993 |
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n÷3 | 73852662 |
n÷3 | 55389496.5 |
n÷5 | 44311597.2 |
Exponentiation
nyn2 | 49087941160376196 |
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n3 | 1.0875825380379E+25 |
n4 | 2.4096259673646E+33 |
n5 | 5.3387187634259E+41 |
Nth Root
y√n2√n | 14884.824016427 |
---|---|
3√n | 605.10276331942 |
4√n | 122.00337706976 |
5√n | 46.676413843201 |
Divisors of 221557986
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -221557985 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 221557986 can be divided by 48 positive divisors. The sum of these divisors (counting 221557986) is 1, the average is 0.020833333333333.
Base conversion 221557986
Base | System | Value |
---|---|---|
2 | Binary | 1101001101001011010011100010 |
3 | Ternary | 120102220022102100 |
4 | Quaternary | 31031023103202 |
5 | Quinary | 423204323421 |
6 | Senary | 33552431230 |
8 | Octal | 1515132342 |
10 | Decimal | 221557986 |
12 | Duodecimal | 62248516 |
16 | Hexadecimal | d34b4e2 |
20 | Vigesimal | 394eej6 |
36 | Base36 | 3nwr8i |
Cryptographic Hash Functions
md5 | 8f6ae0adafca985954a05c0cc22ec069 |
---|---|
sha1 | e81d9861ba2bf70413a2e1bb75395c1bd62f2b23 |
sha256 | 1057c8cba5cb4bb19b85295f98a3da4cfedc7fca3358bc2d0626734d55007d07 |
sha512 | 162dee0e7c38e6ad5c7f30cd3ba26ee1cd1b2276a9e42593c85b8a8c5a5de935f2804b13b5314d165c82e87eef8abdb3453c8dbd01bd94ecedbda2f0a5718413 |
ripemd-160 | 9eb3861cb02aa67c00fd2d10ff8819d2b65b8224 |
221557986 as geometric shapes
Circle
Radius = nDiameter | 443115972 |
---|---|
Circumference | 1392089882.3235 |
Area | 1.5421431532929E+17 |
Sphere
Radius = nVolume | 4.5556550822301E+25 |
---|---|
Surface area | 6.1685726131714E+17 |
Circumference | 1392089882.3235 |
Square
Length = nPerimeter | 886231944 |
---|---|
Area | 49087941160376196 |
Diagonal | 313330308.65327 |
Cube
Length = nSurface area | 294527646962257176 |
---|---|
Volume | 1.0875825380379E+25 |
Space diagonal | 383749688.57463 |
Equilateral Triangle
Length = nPerimeter | 664673958 |
---|---|
Area | 2.1255702032181E+16 |
Altitude | 191874844.28732 |
Triangular Pyramid
Length = nSurface area | 2.1255702032181E+16 |
---|---|
Volume | 1.2817283129112E+24 |
Height | 104443436.21776 |