221821845 (number)

221821845 is an odd 9-digits composite number following 221821844 and preceding 221821846. In scientific notation, it is written as 2.21821845 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 98661888 positive integers (up to 221821845) that are relatively prime to 221821845.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million eight hundred twenty-one thousand eight hundred forty-five

Notation

Scientific notation 2.21821845 × 10^8
Engineering notation 2.21821845 × 10^6

Prime Factorization of 221821845

Prime Factorization 5 × 21 × 37 × 57097

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 221821845
Product of the distinct prime numbers

The prime factorization of 221821845 is 5 × 21 × 37 × 57097. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221821845)

Multiplication

n×y
n×2 443643690
n×3 665465535
n×4 887287380
n×5 1109109225

Division

n÷y
n÷2 110910922.5
n÷3 73940615
n÷3 55455461.25
n÷5 44364369

Exponentiation

ny
n2 49204930919204025
n3 1.0914728559595E+25
n4 2.4211252267636E+33
n5 5.3705846477675E+41

Nth Root

y√n
2√n 14893.684735484
3√n 605.3428787448
4√n 122.03968508434
5√n 46.687526174849

Divisors of 221821845

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221821844
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221821845 can be divided by 16 positive divisors. The sum of these divisors (counting 221821845) is 1, the average is 0.0625.

Base conversion 221821845

Base System Value
2 Binary 1101001110001011101110010101
3 Ternary 120110101201100220
4 Quaternary 31032023232111
5 Quinary 423241244340
6 Senary 34002224553
8 Octal 1516135625
10 Decimal 221821845
12 Duodecimal 62355159
16 Hexadecimal d38bb95
20 Vigesimal 3967ec5
36 Base36 3o2etx

Cryptographic Hash Functions

md5 cc318520b8420784b2de78fd7c5c90a1
sha1 bf48cafc9b1e1027658ddb32178aef566027fbce
sha256 722230917d6ba028d5bb6be2762666c10394b57f6b1300a1c993154440647a0a
sha512 cb5a53f6cbe2c224146afa1730dc5fef66318e3e6031179dd8ebf5f2985cb888dcc36f1a306858e42406688bbecde5e2a9a854872946bdd78f31f8f54ab19a1b
ripemd-160 ae632797d7af07fb76edbe39bcf2580bc5d8b0cc

221821845 as geometric shapes

Circle

Radius = n
Diameter 443643690
Circumference 1393747757.3155
Area 1.5458184949616E+17

Sphere

Radius = n
Volume 4.5719508078335E+25
Surface area 6.1832739798466E+17
Circumference 1393747757.3155

Square

Length = n
Perimeter 887287380
Area 49204930919204025
Diagonal 313703461.62962

Cube

Length = n
Surface area 295229585515224150
Volume 1.0914728559595E+25
Space diagonal 384206705.76867

Equilateral Triangle

Length = n
Perimeter 665465535
Area 2.1306360083745E+16
Altitude 192103352.88433

Triangular Pyramid

Length = n
Surface area 2.1306360083745E+16
Volume 1.2863130965501E+24
Height 104567820.54321