221520681 (number)

221520681 is an odd 9-digits composite number following 221520680 and preceding 221520682. In scientific notation, it is written as 2.21520681 × 10^8. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 147680448 positive integers (up to 221520681) that are relatively prime to 221520681.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million five hundred twenty thousand six hundred eighty-one

Notation

Scientific notation 2.21520681 × 10^8
Engineering notation 2.21520681 × 10^6

Prime Factorization of 221520681

Prime Factorization 3 × 3 × 24613409

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 73840227
Product of the distinct prime numbers

The prime factorization of 221520681 is 3 × 3 × 24613409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 86, 50, 328, 434, 1950, 4900, 35339, 92267, 11318, 675405, 3352489, 5444719, 96478465, 39657852, 364216044, 520944845, 6220895444, 6645321636

Basic calculations (n = 221520681)

Multiplication

n×y
n×2 443041362
n×3 664562043
n×4 886082724
n×5 1107603405

Division

n÷y
n÷2 110760340.5
n÷3 73840227
n÷3 55380170.25
n÷5 44304136.2

Exponentiation

ny
n2 49071412110703761
n3 1.0870332628395E+25
n4 2.4080034865385E+33
n5 5.3342257218839E+41

Nth Root

y√n
2√n 14883.570841703
3√n 605.06879986204
4√n 121.99824114184
5√n 46.674841901754

Divisors of 221520681

1, 3, 9, 24613409, 73840227, 221520681

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221520680
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221520681 can be divided by 6 positive divisors. The sum of these divisors (counting 221520681) is 1, the average is 0.16666666666667.

Base conversion 221520681

Base System Value
2 Binary 1101001101000010001100101001
3 Ternary 120102211102020200
4 Quaternary 31031002030221
5 Quinary 423202130211
6 Senary 33551542413
8 Octal 1515021451
10 Decimal 221520681
12 Duodecimal 6222aa09
16 Hexadecimal d342329
20 Vigesimal 394a1e1
36 Base36 3nvyg9

Cryptographic Hash Functions

md5 8f6a54a00f7600d63373ace29bc9111e
sha1 c8bd47395230fff2411106f4ae92079415c6d194
sha256 965148374febc06d3bfbdd4990c6d742a0352f33c2790b65ba5c3374808aca85
sha512 205024f7b746b700da9350458a044257e206348f9a451c7a4a8530af1bf4253298749b1b857789e0dbb8167fe620532f4b7bd223d9d064f3e9ce8c4aee27075c
ripemd-160 935b0ff0c1c7247c0df11e056652fb914f7f945d

221520681 as geometric shapes

Circle

Radius = n
Diameter 443041362
Circumference 1391855488.0956
Area 1.5416238778826E+17

Sphere

Radius = n
Volume 4.553354283659E+25
Surface area 6.1664955115306E+17
Circumference 1391855488.0956

Square

Length = n
Perimeter 886082724
Area 49071412110703761
Diagonal 313277551.41632

Cube

Length = n
Surface area 294428472664222566
Volume 1.0870332628395E+25
Space diagonal 383685074.41926

Equilateral Triangle

Length = n
Perimeter 664562043
Area 2.1248544743722E+16
Altitude 191842537.20963

Triangular Pyramid

Length = n
Surface area 2.1248544743722E+16
Volume 1.2810809858819E+24
Height 104425850.47211