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.
221444981 has 6 divisors, whose sum is 233713782
The reverse of 221444981 is 189444122
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred twenty-one million four hundred forty-four thousand nine hundred eighty-one
Scientific notation
2.21444981 × 10^8
Engineering notation
2.21444981 × 10^6
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.
6 , 7 , 42 , 73 , 499 , 130 , 6304 , 4293 , 96937 , 81421 , 421122 , 342171 , 6318762 , 1846034 , 82153806 , 11431609 , 508875538 , 199947768 , 749926270 , 5022871767
n×2
442889962
n×3
664334943
n×4
885779924
n×5
1107224905
n÷2
110722490.5
n÷3
73814993.666667
n÷3
55361245.25
n÷5
44288996.2
n2
49037879610090361
n3
1.0859192318537E+25
n4
2.4047136366537E+33
n5
5.3251176557922E+41
2 √n
14881.027551886
3 √n
604.99986886139
4 √n
121.98781722732
5 √n
46.671651437925
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
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
md5
c8332ff97b1b350e207d64ba3b892d5f
sha1
eec918ff012d44a9baae41e7bd5db1f8e701db6c
sha256
af9119c6f6dff24d5c6a76472338ad82d0bf0213ae56bf2ebacd2e5faeabca63
sha512
d036fef9015cae9b479b35ef4e13504f6d5394e1503072d5c22cc07aabe23f90d0cf783b2587838e0e5060ed6806150fad9af62602ba4a665f3a20f468bc91bc
ripemd-160
a2cfa98b90cd1575ff92d512e4ef1302904b589c
Diameter
442889962
Circumference
1391379850.9679
Area
1.5405704233068E+17
Volume
4.5486878415778E+25
Surface area
6.1622816932272E+17
Circumference
1391379850.9679
Perimeter
885779924
Area
49037879610090361
Diagonal
313170495.44965
Surface area
294227277660542166
Volume
1.0859192318537E+25
Space diagonal
383553958.17312
Perimeter
664334943
Area
2.1234024745031E+16
Altitude
191776979.08656
Surface area
2.1234024745031E+16
Volume
1.2797680877744E+24
Height
104390165.14988