221645478 (number)

221645478 is an even 9-digits composite number following 221645477 and preceding 221645479. In scientific notation, it is written as 2.21645478 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 72163560 positive integers (up to 221645478) that are relatively prime to 221645478.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million six hundred forty-five thousand four hundred seventy-eight

Notation

Scientific notation 2.21645478 × 10^8
Engineering notation 2.21645478 × 10^6

Prime Factorization of 221645478

Prime Factorization 2 × 3 × 43 × 859091

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 221645478
Product of the distinct prime numbers

The prime factorization of 221645478 is 2 × 3 × 43 × 859091. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221645478)

Multiplication

n×y
n×2 443290956
n×3 664936434
n×4 886581912
n×5 1108227390

Division

n÷y
n÷2 110822739
n÷3 73881826
n÷3 55411369.5
n÷5 44329095.6

Exponentiation

ny
n2 49126717917848484
n3 1.0888714875473E+25
n4 2.4134344133799E+33
n5 5.3492682417523E+41

Nth Root

y√n
2√n 14887.762692896
3√n 605.18240339418
4√n 122.01541989805
5√n 46.680099711588

Divisors of 221645478

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 -221645477
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 221645478 can be divided by 16 positive divisors. The sum of these divisors (counting 221645478) is 1, the average is 0.0625.

Base conversion 221645478

Base System Value
2 Binary 1101001101100000101010100110
3 Ternary 120110001202102210
4 Quaternary 31031200222212
5 Quinary 423220123403
6 Senary 33554344250
8 Octal 1515405246
10 Decimal 221645478
12 Duodecimal 6228b086
16 Hexadecimal d360aa6
20 Vigesimal 3955ddi
36 Base36 3nymqu

Cryptographic Hash Functions

md5 cca7d4ddccb1a1dfcec51e9717346091
sha1 72cb9e9c30353d6063a01698ae2e8fb4ef0cb7f9
sha256 a85e61096ae9e1dc2936240ee368569883414b6aef03795a8e6c6ccf649b97be
sha512 384872dd89e2fbbe42f5c1b200b6c5cf75188b5d7769e216f30cd235c3b86eaed7275efa4b1517dfc561a3b3d34ecfa264e4e5421a6820faaddf32c13a0d9ffd
ripemd-160 a8500cc678309354d06b84c49bff6ecc76626497

221645478 as geometric shapes

Circle

Radius = n
Diameter 443290956
Circumference 1392639610.7724
Area 1.5433613610569E+17

Sphere

Radius = n
Volume 4.5610542213092E+25
Surface area 6.1734454442276E+17
Circumference 1392639610.7724

Square

Length = n
Perimeter 886581912
Area 49126717917848484
Diagonal 313454041.02627

Cube

Length = n
Surface area 294760307507090904
Volume 1.0888714875473E+25
Space diagonal 383901229.16389

Equilateral Triangle

Length = n
Perimeter 664936434
Area 2.1272492860704E+16
Altitude 191950614.58194

Triangular Pyramid

Length = n
Surface area 2.1272492860704E+16
Volume 1.2832473544756E+24
Height 104484680.34209