221031749 is an odd 9-digits composite number following 221031748
and preceding 221031750 . In scientific notation, it is written as 2.21031749 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 219108240 positive integers (up to 221031749) that are relatively prime to 221031749.
221031749 has 8 divisors, whose sum is 222962592
The reverse of 221031749 is 947130122
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
two hundred twenty-one million thirty-one thousand seven hundred forty-nine
Scientific notation
2.21031749 × 10^8
Engineering notation
2.21031749 × 10^6
Prime Factorization
163 × 443 × 3061
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221031749
Product of the distinct prime numbers
The prime factorization of 221031749 is 163 × 443 × 3061.
Since it has a total of 3 prime factors.
7 , 8 , 46 , 13 , 112 , 528 , 3989 , 5539 , 4923 , 94613 , 613353 , 367227 , 8470009 , 2013210 , 24306734 , 14672833 , 398028203 , 446213142 , 3137562518 , 7631721328
n×2
442063498
n×3
663095247
n×4
884126996
n×5
1105158745
n÷2
110515874.5
n÷3
73677249.666667
n÷3
55257937.25
n÷5
44206349.8
n2
48855034065999001
n3
1.0798513627062E+25
n4
2.3868143535899E+33
n5
5.2756175111229E+41
2 √n
14867.136543397
3 √n
604.62331035117
4 √n
121.93086788585
5 √n
46.654219901026
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
-221031748
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 221031749 can be divided by 8 positive divisors.
The sum of these divisors (counting 221031749) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001011001010110101000101
3
Ternary
120101220120120002
4
Quaternary
31023022311011
5
Quinary
423041003444
6
Senary
33533251045
8
Octal
1513126505
10
Decimal
221031749
12
Duodecimal
62033a85
16
Hexadecimal
d2cad45
20
Vigesimal
3918j79
36
Base36
3nlh6t
md5
9cfd7c13a54629f9ccf7a6f2d7767e2f
sha1
2b22045886653ce8ce203671b24a009cc9f1b251
sha256
489ccd846198ac0f8ebf798540b2809e332fe1f098d901180775443656e48614
sha512
1a69d67e646be00be8d4e2721c608c9e10bc81c4c564489eec15178a8e7dd4919e173a189f06a7e415cb1fe9396537fbe6139792daf202146b3b3ee474b5bbc9
ripemd-160
e841f49be5849d4b3edad677d205d5c23f89f6ad
Diameter
442063498
Circumference
1388783437.737
Area
1.5348261611262E+17
Volume
4.5232708107291E+25
Surface area
6.1393046445049E+17
Circumference
1388783437.737
Perimeter
884126996
Area
48855034065999001
Diagonal
312586097.15085
Surface area
293130204395994006
Volume
1.0798513627062E+25
Space diagonal
382838219.35381
Perimeter
663095247
Area
2.1154850301955E+16
Altitude
191419109.67691
Surface area
2.1154850301955E+16
Volume
1.2726170354052E+24
Height
104195365.71695