205440221 is an odd 9-digits composite number following 205440220
and preceding 205440222 . In scientific notation, it is written as 2.05440221 × 10^8.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 175314528 positive integers (up to 205440221) that are relatively prime to 205440221.
205440221 has 8 divisors, whose sum is 235824960
The reverse of 205440221 is 122044502
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 20
Digital Root 2
Name
two hundred five million four hundred forty thousand two hundred twenty-one
Scientific notation
2.05440221 × 10^8
Engineering notation
2.05440221 × 10^6
Prime Factorization
7 × 227 × 129289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
205440221
Product of the distinct prime numbers
The prime factorization of 205440221 is 7 × 227 × 129289.
Since it has a total of 3 prime factors.
2 , 1 , 70 , 82 , 802 , 435 , 1389 , 4105 , 27458 , 5839 , 518075 , 121147 , 3666849 , 7450153 , 85878890 , 4816061 , 653110408 , 873395022 , 6529263812 , 1816879072
n×2
410880442
n×3
616320663
n×4
821760884
n×5
1027201105
n÷2
102720110.5
n÷3
68480073.666667
n÷3
51360055.25
n÷5
41088044.2
n2
42205684404528841
n3
8.6707451315227E+24
n4
1.7813197960547E+33
n5
3.6595473257315E+41
2 √n
14333.186003119
3 √n
590.05861813457
4 √n
119.72128467035
5 √n
45.976625720864
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
-205440220
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 205440221 can be divided by 8 positive divisors.
The sum of these divisors (counting 205440221) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001111101100010011011101
3
Ternary
112022120110000002
4
Quaternary
30033230103131
5
Quinary
410043041341
6
Senary
32215144045
8
Octal
1417542335
10
Decimal
205440221
12
Duodecimal
58975025
16
Hexadecimal
c3ec4dd
20
Vigesimal
34400b1
36
Base36
3ebaot
md5
b0ca0e00c1c718da3e4ac155f1a5c032
sha1
76f59a821c662ccdb6f8827593cc6fd9377d3365
sha256
efd37988c3cc9f746d89a0109667ee4586d9b19df635bde0975083bd9ca1192a
sha512
5f30cdde20b0705093dc7ebe6966228c3d55b5dd7d83e38210d6834a3108e4162e1f1318c350678a9e93c626410b1fab5be451733552015bfcb304c6a8dc1cf0
ripemd-160
99e46581523182e2760965ff52948224b2f2071e
Diameter
410880442
Circumference
1290818978.0909
Area
1.32593068065E+17
Volume
3.6319932275121E+25
Surface area
5.3037227225999E+17
Circumference
1290818978.0909
Perimeter
821760884
Area
42205684404528841
Diagonal
290536346.79513
Surface area
253234106427173046
Volume
8.6707451315227E+24
Space diagonal
355832900.69018
Perimeter
616320663
Area
1.8275597439215E+16
Altitude
177916450.34509
Surface area
1.8275597439215E+16
Volume
1.0218571134067E+24
Height
96845448.931709