221981490 (number)
221981490 is an even 9-digits composite number following 221981489 and preceding 221981491. In scientific notation, it is written as 2.21981490 × 10^8. The sum of its digits is 36. It has a total of 6 prime factors and 64 positive divisors. There are 57527808 positive integers (up to 221981490) that are relatively prime to 221981490.
Interesting facts
- 221981490 has 64 divisors, whose sum is 456645600
- The reverse of 221981490 is 094189122
- Previous prime number is 173
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 36
- Digital Root 9
Name
Name | two hundred twenty-one million nine hundred eighty-one thousand four hundred ninety |
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Notation
Scientific notation | 2.21981490 × 10^8 |
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Engineering notation | 2.21981490 × 10^6 |
Prime Factorization of 221981490
Prime Factorization 2 × 9 × 53 × 5 × 173 × 269
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 221981490 | Product of the distinct prime numbers |
The prime factorization of 221981490 is 2 × 9 × 53 × 5 × 173 × 269. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 221981490)
Multiplication
n×yn×2 | 443962980 |
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n×3 | 665944470 |
n×4 | 887925960 |
n×5 | 1109907450 |
Division
n÷yn÷2 | 110990745 |
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n÷3 | 73993830 |
n÷3 | 55495372.5 |
n÷5 | 44396298 |
Exponentiation
nyn2 | 49275781902620100 |
---|---|
n3 | 1.0938311487659E+25 |
n4 | 2.4281026821146E+33 |
n5 | 5.3899385124879E+41 |
Nth Root
y√n2√n | 14899.043257874 |
---|---|
3√n | 605.4880655113 |
4√n | 122.06163712598 |
5√n | 46.694244435939 |
Divisors of 221981490
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -221981489 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 221981490 can be divided by 64 positive divisors. The sum of these divisors (counting 221981490) is 1, the average is 0.015625.
Base conversion 221981490
Base | System | Value |
---|---|---|
2 | Binary | 1101001110110010101100110010 |
3 | Ternary | 120110200211100200 |
4 | Quaternary | 31032302230302 |
5 | Quinary | 423311401430 |
6 | Senary | 34005500030 |
8 | Octal | 1516625462 |
10 | Decimal | 221981490 |
12 | Duodecimal | 62411616 |
16 | Hexadecimal | d3b2b32 |
20 | Vigesimal | 3977dea |
36 | Base36 | 3o5u0i |
Cryptographic Hash Functions
md5 | 597a465549f8e5afdeb9d822f98343a9 |
---|---|
sha1 | 8eb4aceb2cd70ec2ab6af153b37c16e07cb36149 |
sha256 | 918cdd38b0c9981135460f7fe046e19e336c244940cae0ef2139ade778a48bd0 |
sha512 | fe9208ad1f44c0b108db51a75ba677f3aa5c94036196b52b443919e8ada119b3cc83d6ae0e5f4004ef03b3b69a0b461aa406cff0ed9b346c0032397e0a5c6db6 |
ripemd-160 | 7ebf9e0b8bdd49dd5aa1c4b054b94bc6c7b8659d |
221981490 as geometric shapes
Circle
Radius = nDiameter | 443962980 |
---|---|
Circumference | 1394750836.4338 |
Area | 1.5480443442516E+17 |
Sphere
Radius = nVolume | 4.5818292016407E+25 |
---|---|
Surface area | 6.1921773770066E+17 |
Circumference | 1394750836.4338 |
Square
Length = nPerimeter | 887925960 |
---|---|
Area | 49275781902620100 |
Diagonal | 313929233.75379 |
Cube
Length = nSurface area | 295654691415720600 |
---|---|
Volume | 1.0938311487659E+25 |
Space diagonal | 384483219.01984 |
Equilateral Triangle
Length = nPerimeter | 665944470 |
---|---|
Area | 2.1337039459505E+16 |
Altitude | 192241609.50992 |
Triangular Pyramid
Length = nSurface area | 2.1337039459505E+16 |
---|---|
Volume | 1.2890923712757E+24 |
Height | 104643077.91793 |