221557986 (number)

221557986 is an even 9-digits composite number following 221557985 and preceding 221557987. In scientific notation, it is written as 2.21557986 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 67616640 positive integers (up to 221557986) that are relatively prime to 221557986.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million five hundred fifty-seven thousand nine hundred eighty-six

Notation

Scientific notation 2.21557986 × 10^8
Engineering notation 2.21557986 × 10^6

Prime Factorization of 221557986

Prime Factorization 2 × 3 × 3 × 169 × 421 × 173

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 73852662
Product of the distinct prime numbers

The prime factorization of 221557986 is 2 × 3 × 3 × 169 × 421 × 173. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221557986)

Multiplication

n×y
n×2 443115972
n×3 664673958
n×4 886231944
n×5 1107789930

Division

n÷y
n÷2 110778993
n÷3 73852662
n÷3 55389496.5
n÷5 44311597.2

Exponentiation

ny
n2 49087941160376196
n3 1.0875825380379E+25
n4 2.4096259673646E+33
n5 5.3387187634259E+41

Nth Root

y√n
2√n 14884.824016427
3√n 605.10276331942
4√n 122.00337706976
5√n 46.676413843201

Divisors of 221557986

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221557985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221557986 can be divided by 48 positive divisors. The sum of these divisors (counting 221557986) is 1, the average is 0.020833333333333.

Base conversion 221557986

Base System Value
2 Binary 1101001101001011010011100010
3 Ternary 120102220022102100
4 Quaternary 31031023103202
5 Quinary 423204323421
6 Senary 33552431230
8 Octal 1515132342
10 Decimal 221557986
12 Duodecimal 62248516
16 Hexadecimal d34b4e2
20 Vigesimal 394eej6
36 Base36 3nwr8i

Cryptographic Hash Functions

md5 8f6ae0adafca985954a05c0cc22ec069
sha1 e81d9861ba2bf70413a2e1bb75395c1bd62f2b23
sha256 1057c8cba5cb4bb19b85295f98a3da4cfedc7fca3358bc2d0626734d55007d07
sha512 162dee0e7c38e6ad5c7f30cd3ba26ee1cd1b2276a9e42593c85b8a8c5a5de935f2804b13b5314d165c82e87eef8abdb3453c8dbd01bd94ecedbda2f0a5718413
ripemd-160 9eb3861cb02aa67c00fd2d10ff8819d2b65b8224

221557986 as geometric shapes

Circle

Radius = n
Diameter 443115972
Circumference 1392089882.3235
Area 1.5421431532929E+17

Sphere

Radius = n
Volume 4.5556550822301E+25
Surface area 6.1685726131714E+17
Circumference 1392089882.3235

Square

Length = n
Perimeter 886231944
Area 49087941160376196
Diagonal 313330308.65327

Cube

Length = n
Surface area 294527646962257176
Volume 1.0875825380379E+25
Space diagonal 383749688.57463

Equilateral Triangle

Length = n
Perimeter 664673958
Area 2.1255702032181E+16
Altitude 191874844.28732

Triangular Pyramid

Length = n
Surface area 2.1255702032181E+16
Volume 1.2817283129112E+24
Height 104443436.21776