221491305 (number)

221491305 is an odd 9-digits composite number following 221491304 and preceding 221491306. In scientific notation, it is written as 2.21491305 × 10^8. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 99584640 positive integers (up to 221491305) that are relatively prime to 221491305.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million four hundred ninety-one thousand three hundred five

Notation

Scientific notation 2.21491305 × 10^8
Engineering notation 2.21491305 × 10^6

Prime Factorization of 221491305

Prime Factorization 35 × 3 × 3 × 61 × 11527

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 73830435
Product of the distinct prime numbers

The prime factorization of 221491305 is 35 × 3 × 3 × 61 × 11527. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221491305)

Multiplication

n×y
n×2 442982610
n×3 664473915
n×4 885965220
n×5 1107456525

Division

n÷y
n÷2 110745652.5
n÷3 73830435
n÷3 55372826.25
n÷5 44298261

Exponentiation

ny
n2 49058398190603025
n3 1.0866008636446E+25
n4 2.4067264330278E+33
n5 5.3306897842931E+41

Nth Root

y√n
2√n 14882.583949033
3√n 605.0420524921
4√n 121.99419637439
5√n 46.673603919923

Divisors of 221491305

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221491304
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221491305 can be divided by 24 positive divisors. The sum of these divisors (counting 221491305) is 1, the average is 0.041666666666667.

Base conversion 221491305

Base System Value
2 Binary 1101001100111011000001101001
3 Ternary 120102202220221200
4 Quaternary 31030323001221
5 Quinary 423200210210
6 Senary 33551154413
8 Octal 1514730151
10 Decimal 221491305
12 Duodecimal 62215a09
16 Hexadecimal d33b069
20 Vigesimal 3946855
36 Base36 3nvbs9

Cryptographic Hash Functions

md5 5a4101dae749ce77c96eef1b9c08943e
sha1 ebc4fd083d4cc7999cbc18850417a2ccc9ddbcd7
sha256 b8d3d5065ed4eb8ba5fa93ec93f09222c93c8189c1d4b06bb113726f6107a522
sha512 14d08fd0cec98e89e35f31d14f9707144067bb1ff5980b468f91bc035b160b686d4a6e7a1c77b012aecac08c52b765446753456044cc04ba05aaf7e0190474e7
ripemd-160 4df416131deb6d36f598e0069bd633d77ba4cb99

221491305 as geometric shapes

Circle

Radius = n
Diameter 442982610
Circumference 1391670913.244
Area 1.5412150335248E+17

Sphere

Radius = n
Volume 4.5515430541471E+25
Surface area 6.1648601340992E+17
Circumference 1391670913.244

Square

Length = n
Perimeter 885965220
Area 49058398190603025
Diagonal 313236007.47872

Cube

Length = n
Surface area 294350389143618150
Volume 1.0866008636446E+25
Space diagonal 383634193.69473

Equilateral Triangle

Length = n
Perimeter 664473915
Area 2.1242909551017E+16
Altitude 191817096.84737

Triangular Pyramid

Length = n
Surface area 2.1242909551017E+16
Volume 1.2805713985438E+24
Height 104412002.49291