221444991 (number)

221444991 is an odd 9-digits composite number following 221444990 and preceding 221444992. In scientific notation, it is written as 2.21444991 × 10^8. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 147629988 positive integers (up to 221444991) that are relatively prime to 221444991.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million four hundred forty-four thousand nine hundred ninety-one

Notation

Scientific notation 2.21444991 × 10^8
Engineering notation 2.21444991 × 10^6

Prime Factorization of 221444991

Prime Factorization 9 × 24604999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221444991
Product of the distinct prime numbers

The prime factorization of 221444991 is 9 × 24604999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221444991)

Multiplication

n×y
n×2 442889982
n×3 664334973
n×4 885779964
n×5 1107224955

Division

n÷y
n÷2 110722495.5
n÷3 73814997
n÷3 55361247.75
n÷5 44288998.2

Exponentiation

ny
n2 49037884038990081
n3 1.0859193789673E+25
n4 2.4047140710214E+33
n5 5.3251188581492E+41

Nth Root

y√n
2√n 14881.027887885
3√n 604.99987796824
4√n 121.9878186045
5√n 46.671651859444

Divisors of 221444991

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221444990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221444991 can be divided by 4 positive divisors. The sum of these divisors (counting 221444991) is 1, the average is 0.25.

Base conversion 221444991

Base System Value
2 Binary 1101001100101111101101111111
3 Ternary 120102200120102100
4 Quaternary 31030233231333
5 Quinary 423142214431
6 Senary 33550200143
8 Octal 1514575577
10 Decimal 221444991
12 Duodecimal 621b3053
16 Hexadecimal d32fb7f
20 Vigesimal 3940c9b
36 Base36 3nuc1r

Cryptographic Hash Functions

md5 2edf6e51f4820fe3fef8060d2e83e257
sha1 20ce3e51acacf57a0f9e55fc4590c19ece276f31
sha256 f1b2d06b15fcb549ca2b80ef92de15946b82c473e33b650610a946e48de84ac1
sha512 5e95a4f048606b08a9fac13198a221564711bc7e28caf994a4a611394a1f84bc7bd74a5f510660dd2e1453ae5bcc1d67a2d0fe62d92087753da1b6fc8f498eb4
ripemd-160 5b99dbdaba8b8d3bc7232161ddcc9fe5515015dc

221444991 as geometric shapes

Circle

Radius = n
Diameter 442889982
Circumference 1391379913.7997
Area 1.5405705624448E+17

Sphere

Radius = n
Volume 4.548688457806E+25
Surface area 6.1622822497792E+17
Circumference 1391379913.7997

Square

Length = n
Perimeter 885779964
Area 49037884038990081
Diagonal 313170509.59179

Cube

Length = n
Surface area 294227304233940486
Volume 1.0859193789673E+25
Space diagonal 383553975.49363

Equilateral Triangle

Length = n
Perimeter 664334973
Area 2.12340266628E+16
Altitude 191776987.74682

Triangular Pyramid

Length = n
Surface area 2.12340266628E+16
Volume 1.2797682611495E+24
Height 104390169.86393