221286720 (number)

221286720 is an even 9-digits composite number following 221286719 and preceding 221286721. In scientific notation, it is written as 2.21286720 × 10^8. The sum of its digits is 30. It has a total of 8 prime factors and 28 positive divisors. There are 59009536 positive integers (up to 221286720) that are relatively prime to 221286720.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21286720 × 10^8
Engineering notation 2.21286720 × 10^6

Prime Factorization of 221286720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 15 × 230507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 6915210
Product of the distinct prime numbers

The prime factorization of 221286720 is 2 × 2 × 2 × 2 × 2 × 2 × 15 × 230507. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221286720)

Multiplication

n×y
n×2 442573440
n×3 663860160
n×4 885146880
n×5 1106433600

Division

n÷y
n÷2 110643360
n÷3 73762240
n÷3 55321680
n÷5 44257344

Exponentiation

ny
n2 48967812448358400
n3 1.0835926602272E+25
n4 2.3978466559776E+33
n5 5.3061162156425E+41

Nth Root

y√n
2√n 14875.709058731
3√n 604.8557085943
4√n 121.96601599926
5√n 46.664978525655

Divisors of 221286720

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221286719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221286720 can be divided by 28 positive divisors. The sum of these divisors (counting 221286720) is 1, the average is 0.035714285714286.

Base conversion 221286720

Base System Value
2 Binary 1101001100001001000101000000
3 Ternary 120102101112022110
4 Quaternary 31030021011000
5 Quinary 423122133340
6 Senary 33542535320
8 Octal 1514110500
10 Decimal 221286720
12 Duodecimal 62137540
16 Hexadecimal d309140
20 Vigesimal 3930gg0
36 Base36 3nqxxc

Cryptographic Hash Functions

md5 ad3976b90deffcd176fba3686a946e46
sha1 f8386e3751d92f94fdddc7f7eebcc50d9d8fe142
sha256 cde41b0167b4c40c0c1681430b1f64bc9ec9a19cbf4013a5fd130cdc3b20a5f2
sha512 32814939436d79f61b1181b9eaf83ab347859aefde0c28fe18678e58ed144be29581881deb69c1f1cbfc56922c1c3c61f3fbba9466dbabcf8f504dde59d51fa0
ripemd-160 0c357fb94bbef3746fd71c16d663a1493658a146

221286720 as geometric shapes

Circle

Radius = n
Diameter 442573440
Circumference 1390385467.778
Area 1.5383691985013E+17

Sphere

Radius = n
Volume 4.5389423211383E+25
Surface area 6.153476794005E+17
Circumference 1390385467.778

Square

Length = n
Perimeter 885146880
Area 48967812448358400
Diagonal 312946680.59706

Cube

Length = n
Surface area 293806874690150400
Volume 1.0835926602272E+25
Space diagonal 383279842.08027

Equilateral Triangle

Length = n
Perimeter 663860160
Area 2.1203684774015E+16
Altitude 191639921.04013

Triangular Pyramid

Length = n
Surface area 2.1203684774015E+16
Volume 1.2770261968178E+24
Height 104315560.19902