221444981 (number)

221444981 is an odd 9-digits composite number following 221444980 and preceding 221444982. In scientific notation, it is written as 2.21444981 × 10^8. The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors. There are 209789640 positive integers (up to 221444981) that are relatively prime to 221444981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21444981 × 10^8
Engineering notation 2.21444981 × 10^6

Prime Factorization of 221444981

Prime Factorization 19 × 19 × 613421

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 11654999
Product of the distinct prime numbers

The prime factorization of 221444981 is 19 × 19 × 613421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221444981)

Multiplication

n×y
n×2 442889962
n×3 664334943
n×4 885779924
n×5 1107224905

Division

n÷y
n÷2 110722490.5
n÷3 73814993.666667
n÷3 55361245.25
n÷5 44288996.2

Exponentiation

ny
n2 49037879610090361
n3 1.0859192318537E+25
n4 2.4047136366537E+33
n5 5.3251176557922E+41

Nth Root

y√n
2√n 14881.027551886
3√n 604.99986886139
4√n 121.98781722732
5√n 46.671651437925

Divisors of 221444981

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221444980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221444981 can be divided by 6 positive divisors. The sum of these divisors (counting 221444981) is 1, the average is 0.16666666666667.

Base conversion 221444981

Base System Value
2 Binary 1101001100101111101101110101
3 Ternary 120102200120101222
4 Quaternary 31030233231311
5 Quinary 423142214411
6 Senary 33550200125
8 Octal 1514575565
10 Decimal 221444981
12 Duodecimal 621b3045
16 Hexadecimal d32fb75
20 Vigesimal 3940c91
36 Base36 3nuc1h

Cryptographic Hash Functions

md5 c8332ff97b1b350e207d64ba3b892d5f
sha1 eec918ff012d44a9baae41e7bd5db1f8e701db6c
sha256 af9119c6f6dff24d5c6a76472338ad82d0bf0213ae56bf2ebacd2e5faeabca63
sha512 d036fef9015cae9b479b35ef4e13504f6d5394e1503072d5c22cc07aabe23f90d0cf783b2587838e0e5060ed6806150fad9af62602ba4a665f3a20f468bc91bc
ripemd-160 a2cfa98b90cd1575ff92d512e4ef1302904b589c

221444981 as geometric shapes

Circle

Radius = n
Diameter 442889962
Circumference 1391379850.9679
Area 1.5405704233068E+17

Sphere

Radius = n
Volume 4.5486878415778E+25
Surface area 6.1622816932272E+17
Circumference 1391379850.9679

Square

Length = n
Perimeter 885779924
Area 49037879610090361
Diagonal 313170495.44965

Cube

Length = n
Surface area 294227277660542166
Volume 1.0859192318537E+25
Space diagonal 383553958.17312

Equilateral Triangle

Length = n
Perimeter 664334943
Area 2.1234024745031E+16
Altitude 191776979.08656

Triangular Pyramid

Length = n
Surface area 2.1234024745031E+16
Volume 1.2797680877744E+24
Height 104390165.14988