221805215 (number)

221805215 is an odd 9-digits composite number following 221805214 and preceding 221805216. In scientific notation, it is written as 2.21805215 × 10^8. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 169729120 positive integers (up to 221805215) that are relatively prime to 221805215.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21805215 × 10^8
Engineering notation 2.21805215 × 10^6

Prime Factorization of 221805215

Prime Factorization 5 × 23 × 1928741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221805215
Product of the distinct prime numbers

The prime factorization of 221805215 is 5 × 23 × 1928741. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 4, 36, 433, 216, 2780, 6713, 2133, 66612, 742030, 47667, 9859597, 5702631, 69558782, 24630584, 837577995, 815513004, 6410436425, 2809086150

Basic calculations (n = 221805215)

Multiplication

n×y
n×2 443610430
n×3 665415645
n×4 887220860
n×5 1109026075

Division

n÷y
n÷2 110902607.5
n÷3 73935071.666667
n÷3 55451303.75
n÷5 44361043

Exponentiation

ny
n2 49197553401196225
n3 1.0912273909626E+25
n4 2.4203992606636E+33
n5 5.3685717839732E+41

Nth Root

y√n
2√n 14893.126434701
3√n 605.3277508334
4√n 122.03739768899
5√n 46.686826120402

Divisors of 221805215

1, 5, 23, 115, 1928741, 9643705, 44361043, 221805215

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 -221805214
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 221805215 can be divided by 8 positive divisors. The sum of these divisors (counting 221805215) is 1, the average is 0.125.

Base conversion 221805215

Base System Value
2 Binary 1101001110000111101010011111
3 Ternary 120110100212112222
4 Quaternary 31032013222133
5 Quinary 423240231330
6 Senary 34002015555
8 Octal 1516075237
10 Decimal 221805215
12 Duodecimal 623475bb
16 Hexadecimal d387a9f
20 Vigesimal 3965d0f
36 Base36 3o21zz

Cryptographic Hash Functions

md5 1316278eaedd58ff5af8362350da56d6
sha1 89528d242b95cfdcefa72ec500d743770107cd97
sha256 e3e20dae3d6f95f7495564c3c7d5a06c205c7b44ac77d59d2b2395a05a726311
sha512 603c1b0c4ad9a92846361bf55363bbcf3bf938007dc9e25e6cdcd196150e3ee2d9edc4b100e321969f61e2927a77626266d054fc19bf3a96c11ea7d7b303ce06
ripemd-160 a873aac22a13cf9bd8817f58f2da464091f929e9

221805215 as geometric shapes

Circle

Radius = n
Diameter 443610430
Circumference 1393643267.9438
Area 1.5455867233979E+17

Sphere

Radius = n
Volume 4.5709226064589E+25
Surface area 6.1823468935916E+17
Circumference 1393643267.9438

Square

Length = n
Perimeter 887220860
Area 49197553401196225
Diagonal 313679943.25808

Cube

Length = n
Surface area 295185320407177350
Volume 1.0912273909626E+25
Space diagonal 384177901.76374

Equilateral Triangle

Length = n
Perimeter 665415645
Area 2.1303165524739E+16
Altitude 192088950.88187

Triangular Pyramid

Length = n
Surface area 2.1303165524739E+16
Volume 1.286023813277E+24
Height 104559981.08603