221286721 (number)

221286721 is an odd 9-digits prime number following 221286720 and preceding 221286722. In scientific notation, it is written as 2.21286721 × 10^8. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 221286720 positive integers (up to 221286721) that are relatively prime to 221286721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21286721 × 10^8
Engineering notation 2.21286721 × 10^6

Prime Factorization of 221286721

Prime Factorization 221286721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 221286721
Product of the distinct prime numbers

The prime factorization of 221286721 is 221286721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 7, 94, 49, 55, 609, 2130, 3016, 58764, 49132, 411574, 862699, 3261906, 6324740, 36879683, 55886407, 114471664, 904143176, 4341115055, 4683441124

Basic calculations (n = 221286721)

Multiplication

n×y
n×2 442573442
n×3 663860163
n×4 885146884
n×5 1106433605

Division

n÷y
n÷2 110643360.5
n÷3 73762240.333333
n÷3 55321680.25
n÷5 44257344.2

Exponentiation

ny
n2 48967812890931841
n3 1.0835926749176E+25
n4 2.3978466993213E+33
n5 5.3061163355349E+41

Nth Root

y√n
2√n 14875.709092342
3√n 604.85570950542
4√n 121.96601613705
5√n 46.664978567831

Divisors of 221286721

1, 221286721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 221286722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 110643361
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 14875.709125954
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999990962
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221286721 can be divided by 2 positive divisors. The sum of these divisors (counting 221286721) is 221286722, the average is 110643361.

Base conversion 221286721

Base System Value
2 Binary 1101001100001001000101000001
3 Ternary 120102101112022111
4 Quaternary 31030021011001
5 Quinary 423122133341
6 Senary 33542535321
8 Octal 1514110501
10 Decimal 221286721
12 Duodecimal 62137541
16 Hexadecimal d309141
20 Vigesimal 3930gg1
36 Base36 3nqxxd

Cryptographic Hash Functions

md5 c38f69921f76f8d357b2171f1887a770
sha1 0d326411d8c64c7e1988fcac19b7043c3c43fe69
sha256 3883088fa871563e7e05aefc9125ced60c5149be91146e6becb89189a205ec8c
sha512 0a4209b2b14a22a0f3ac91ad369152966137bdcba444159585d1ded2b66cdd16bba2a6a33909eb1e19399601b9a10956a916e7920d8afa9f8ba4695b9a5a4032
ripemd-160 f0cfff685dd18db93b6074fb78610d9d36e9e47d

221286721 as geometric shapes

Circle

Radius = n
Diameter 442573442
Circumference 1390385474.0611
Area 1.5383692124051E+17

Sphere

Radius = n
Volume 4.5389423826731E+25
Surface area 6.1534768496204E+17
Circumference 1390385474.0611

Square

Length = n
Perimeter 885146884
Area 48967812890931841
Diagonal 312946682.01127

Cube

Length = n
Surface area 293806877345591046
Volume 1.0835926749176E+25
Space diagonal 383279843.81232

Equilateral Triangle

Length = n
Perimeter 663860163
Area 2.1203684965655E+16
Altitude 191639921.90616

Triangular Pyramid

Length = n
Surface area 2.1203684965655E+16
Volume 1.2770262141305E+24
Height 104315560.67042