221618481 (number)

221618481 is an odd 9-digits composite number following 221618480 and preceding 221618482. In scientific notation, it is written as 2.21618481 × 10^8. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 126639120 positive integers (up to 221618481) that are relatively prime to 221618481.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million six hundred eighteen thousand four hundred eighty-one

Notation

Scientific notation 2.21618481 × 10^8
Engineering notation 2.21618481 × 10^6

Prime Factorization of 221618481

Prime Factorization 3 × 7 × 10553261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221618481
Product of the distinct prime numbers

The prime factorization of 221618481 is 3 × 7 × 10553261. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 90, 7, 27, 471, 3291, 4845, 62780, 60794, 270628, 158852, 3916755, 2002665, 81055533, 14150302, 721982617, 353320769, 3863489149, 1418291583

Basic calculations (n = 221618481)

Multiplication

n×y
n×2 443236962
n×3 664855443
n×4 886473924
n×5 1108092405

Division

n÷y
n÷2 110809240.5
n÷3 73872827
n÷3 55404620.25
n÷5 44323696.2

Exponentiation

ny
n2 49114751120747361
n3 1.0884736538073E+25
n4 2.412258777653E+33
n5 5.3460112608236E+41

Nth Root

y√n
2√n 14886.855981032
3√n 605.15783146235
4√n 122.01170427886
5√n 46.678962504488

Divisors of 221618481

1, 3, 7, 21, 10553261, 31659783, 73872827, 221618481

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221618480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221618481 can be divided by 8 positive divisors. The sum of these divisors (counting 221618481) is 1, the average is 0.125.

Base conversion 221618481

Base System Value
2 Binary 1101001101011010000100110001
3 Ternary 120110000101101220
4 Quaternary 31031122010301
5 Quinary 423213242411
6 Senary 33554015253
8 Octal 1515320461
10 Decimal 221618481
12 Duodecimal 62277529
16 Hexadecimal d35a131
20 Vigesimal 3952641
36 Base36 3ny1wx

Cryptographic Hash Functions

md5 161a161efce032bb4775346800eccfd5
sha1 c4cd76622cbcb528e4e42ae38754f67d5dcb6d69
sha256 483a239503f74265f981ea4e8f1cac5bf29413d39012cedf63435dcf97e89410
sha512 af25953952fe5b9e209392cbc909e7a50a92dab5bd6f67829f63ba581aea8618dcca7d125258ce7aa8eff636610f95584baecc9c465599c2e61ab8be1c6e4921
ripemd-160 9f1cb4626f1da8b0e6400e97466f69301b66913f

221618481 as geometric shapes

Circle

Radius = n
Diameter 443236962
Circumference 1392469983.6187
Area 1.5429854130383E+17

Sphere

Radius = n
Volume 4.5593877792361E+25
Surface area 6.1719416521532E+17
Circumference 1392469983.6187

Square

Length = n
Perimeter 886473924
Area 49114751120747361
Diagonal 313415861.50272

Cube

Length = n
Surface area 294688506724484166
Volume 1.0884736538073E+25
Space diagonal 383854468.98824

Equilateral Triangle

Length = n
Perimeter 664855443
Area 2.1267311085559E+16
Altitude 191927234.49412

Triangular Pyramid

Length = n
Surface area 2.1267311085559E+16
Volume 1.2827785029167E+24
Height 104471953.83424